1000-8000 series alloy encyclopedia introduction

Based on years of factory production experience, this article summarizes the classification of 1000 2000 3000 4000 5000 6000 7000 8000 series aluminum alloys and the performance characteristics of the alloys to help every buyer better understand aluminum alloy products.

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:The most detailed aluminum alloy knowledge

Based on years of factory production experience, this article summarizes the classification of 1000 2000 3000 4000 5000 6000 7000 8000 series aluminum alloys and the performance characteristics of the alloys to help every buyer better understand aluminum alloy products.

Brand Series Type Series Collective Name Series Description
1xxx A Pure Aluminum Aluminum content not less than 99.00%
2xxx ب Aluminum-Cu-Mg-Series-Alloy Aluminum alloy with copper as the main alloying element
3xxx A Aluminum-Mn-Series-Alloy Aluminum alloys with manganese as the main alloying element
4xxx A Aluminum-Si- Series-Alloy Aluminum alloys with silicon as the main alloying element
5xxx A Aluminum-Mg- Series-Alloy Aluminum alloys with magnesium as the main alloying element
6xxx ب Aluminum-Mg-Si-Series- سبيكة Aluminum alloys with magnesium and silicon as the main alloying elements
7xxx ب Aluminum-Zn-Mg- Series-Alloy Aluminum alloys with zinc and magnesium as the main alloying elements
8xxx / / Aluminum alloys with other alloying elements as main alloying elements
9xxx / / Alternate Alloy Group

Remarks: A. Non-heat-treated alloy; ب. Heat-treated alloy

:The chemical composition and performance of each aluminum alloy series

(1) 1xxx series aluminum alloy

1. Features and scope of application:

1××× series is formed by adding a small amount of copper element to pure aluminum, which has excellent forming and processing characteristics, high corrosion resistance, good weldability and
conductivity. 1××× series aluminum alloys are widely used in products that do not require high strength, such as chemical equipment, أجزاء معالجة اللوحة الرقيقة, الرسم العميق أو الدوران المقعر
Shaped utensils, أجزاء اللحام, المبادلات الحرارية, clock surfaces and disks, لوحات تحمل أسماء, kitchen utensils, زينة, reflective appliances, إلخ. Among them, the most widely used
Brands: 1050, 1060, 1070, 1100.
2. Grade and chemical composition list:
(expressed as highest percentage unless a range value is listed)

سبيكة و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
1000 مسلسل 0.25 0.35 5.0-6.0 0.03 0.03 0.18-0.28 0.05 0.03 0.05 0.15 ≥99.6

 

سبيكة Chemical Composition (Mass Fraction) (%)
و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
1A99 0.003 0.003 0.005 / / / / / 0.002 / 99.99
1A97 0.015 0.015 0.005 / / / / / 0.005 0.15 99.97
1A95 0.03 0.03 0.01 / / / / / 0.005 / 99.95
1A93 0.04 0.04 0.01 / / / / / 0.007 / 99.93
1A90 0.06 0.06 0.01 / / / / / 0.01 / 99.9
1A85 0.08 0.1 0.01 / / / / / 0.01 / 99.85
1A80 0.15 0.15 0.03 / / / / / 0.02 / 99.80
1A80A 0.15 0.15 0.03 0.02 0.02 / / 0.06 99.80
1070 0.2 0.25 0.04 0.03 0.04 0.03 0.03 0.05 99.7
1070A 0.2 0.25 0.03 0.03 0.03 / / 0.07 0.03 0.03 99.7
1370 0.1 0.25 0.02 0.01 0.02 / 0.04 / 0.02 0.1 99.7
1060 0.25 0.35 0.05 0.03 0.03 / / 0.03 0.03 / 99.6
1050 0.25 0.4 0.05 0.05 0.05 / / 0.05 0.03
1050A 0.25 0.4 0.05 0.05 0.05 / 0.05 0.03 0.03 / 99.5
1A50 0.3 0.3 0.01 0.05 0.05 / 0.03 / 0.03 / 99.5
1350 0.1 0.4 0.05 0.01 / 0.01 0.05 / 0.03 0.1 99.5
1145 0.55 0.05 0.05 0.05 / / / 0.03 / 99.45
1035 0.35 0.6 0.1 0.05 0.05 / / 0.1 0.03 / 99.35
1A30 0.10-0.20 0.15-0.30 0.05 0.01 0.01 / 0.02 0.02 0.03 / 99.3
1100 0.95 0.05-0.40 0.05 / / / 0.1 0.05 0.15 99
1200 1.00 0.05 0.05 / / 0.1 0.05 0.05 0.15 99
1235 0.35 0.05 0.05 0.05 / 0.1 0.06 0.03 / 99.35

3. 1000 series alloy mechanical and physical properties:

Performance 1×××
H112 state Brinell hardness (غ.ب) 30-45
قوة الشد (MPa) σb ≥75
قوة العائد (MPa) σ0.2 ≥35
استطالة (%) σ ≥12

ملحوظة: Sample size: لوحة الألومنيوم, the above is the transverse mechanical properties of aluminum plate
4. Factory state: ح112, ح24, O state, إلخ.

(2)2xxx series aluminum alloy

1. Features and scope of application:
The 2××× series is a typical hard aluminum alloy in the Al-Cu-Mg system. Its composition is relatively reasonable, and its comprehensive performance is good. It is the largest amount of hard aluminum.
The characteristics of this alloy are: high strength, certain heat resistance, and can be used as working parts below 150°C. The temperature is higher than 125°C, and its strength ratio is 7075
Alloys are even higher. The formability is relatively good in the hot state, annealed and new quenched state, and the strengthening effect of heat treatment is remarkable, but the heat treatment process requires
strict. Corrosion resistance is poor, but it can be effectively protected by covering it with pure aluminum; cracks are easy to occur during welding, but it can be welded with a special process, and it is also
Can be riveted. Widely used in aircraft structures, المسامير, عجلات الشاحنة, propeller elements and other components, especially under the wing and fuselage structure
to the place of tension. Among them, the more widely used grades: 2024 (2أ12), LY12, LY11, 2A11, 2A14 (LD10), 2017, 2A17
wait.
2. Grade and chemical composition list:
(expressed as highest percentage unless a range value is listed)

سبيكة و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
1000 مسلسل 0.25 0.35 5.0-6.0 0.03 0.03 0.18-0.28 0.05 0.03 0.05 0.15 ≥99.6
سبيكة Chemical Composition (Mass Fraction) (%)
و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
2A01 0.5 0.5 2.2-3.0 0.2 0.2-0.5 / 0.1 / 0.05 0.1 Remain
2أ02 0.3 0.3 2.6-3.2 0.45-0.7 2.0-2.4 / 0.1 / 0.005 0.15 Remain
2A04 0.3 0.3 3.2-3.7 0.5-0.8 2.1-2.6 / 0.1 0.05-0.40 0.005 0.1 Remain
2A06 0.5 0.5 3.8-4.3 0.5-1.0 1.7-2.3 / 0.1 0.03-0.15 0.007 0.1 Remain
2A10 0.25 0.2 3.9-4.5 0.3-0.5 0.15-0.30 / 0.1 0.15 0.05 0.1 Remain
2A11 0.7 0.7 3.8-4.8 0.4-0.8 0.4-0.8 / 0.3 0.15 0.05 0.1 Remain
2B11 0.5 0.5 3.8-4.5 0.4-0.8 0.4-0.8 / 0.1 0.15 0.05 0.1 Remain
2أ12 0.5 0.5 3.8-4.9 0.3-0.9 0.02 / / 0.15 0.05 0.1 Remain
2B12 0.5 0.5 3.8-4.5 0.3-0.7 1.2-1.6 / 0.1 0.03 0.05 0.1 Remain
2A13 0.7 0.6 4.0-5.0 / 0.3-0.5 / 0.6 0.15 0.03 0.1 Remain
2A14 0.6-1.2 0.7 3.9-4.8 0.4-1.0 0.4-0.8 / 0.1 0.15 0.05 0.1 Remain
2أ16 0.3 0.3 6.0-7.0 0.4-0.8 0.05 / 0.04 / 0.02 0.1 Remain
2B16 0.25 0.3 5.8-6.8 0.2-0.4 0.03 / / 0.03 0.03 0.1 Remain
2A17 0.3 0.3 6.0-7.0 0.4-0.8 0.05 / / 0.05 0.03 0.1 Remain
2A20 0.2 0.3 5.8-6.8 / 0.02 / 0.1 0.07-0.16 0.05 0.15 Remain
2A21 0.2 0.2-0.6 3.0-4.0 0.05 0.05 / 0.03 / 0.03 0.1 Remain
2A25 0.06 0.06 3.6-4.2 0.01 / 0.01 0.05 / 0.03 0.1 Remain
2A49 0.25 0.8-1.2 3.2-3.8 0.3-0.6 1.8-2.2 / / 0.08-0.12 0.03 0.1 Remain
2A50 0.7-1.2 0.7 1.8-2.6 0.4-0.8 0.4-0.8 / 0.3 0.15 0.05 0.1 Remain
2B50 0.7-1.2 0.7 1.8-2.6 0.4-0.8 0.4-0.8 0.01-0.2 0.15 0.02 0.05 0.1 Remain
2A70 0.35 0.9-1.5 1.9-2.5 0.2 1.4-1.8 / 0.3 0.02-0.10 0.05 0.1 Remain
2B70 0.25 0.9-1.4 1.8-2.7 0.2 1.2-1.8 / 0.3 0.1 0.05 0.15 Remain
2A80 0.5-1.2 1.0-1.6 1.9-2.5 1.4-1.8 1.4-1.8 / 0.1 0.15 0.05 0.15 Remain
2A90 0.5-1.0 0.5-1.0 3.5-4.5 0.2 0.4-0.8 / 0.3 0.15 0.05 0.15 Remain
2004 0.2 0.2 5.5-6.5 0.1 0.5 / 0.1 0.15 0.05 0.15 Remain
2011 0.4 0.7 5.0-6.0 / / / 0.3 / 0.05 0.15 Remain
2014 0.5-1.2 0.7 3.9-5.0 0.4-1.2 0.2-0.8 0.1 0.25 0.15 0.05 0.15 Remain
2014A 0.5-0.9 0.5 3.9-5.0 0.4-1.2 0.2-0.8 0.1 0.25 0.15 0.05 0.15 Remain
2214 0.5-1.2 0.3 3.9-5.0 0.4-1.2 0.4-0.8 0.1 0.25 / 0.05 0.15 Remain
2017 0.2-0.8 0.7 3.5-4.5 0.4-1.0 0.4-1.0 0.1 0.25 0.15 0.05 0.15 Remain
2017A 0.2-0.8 0.7 3.5-4.5 0.4-1.0 0.4-1.0 0.1 0.25 / 0.05 0.15 Remain
2117 0.8 0.7 2.2-3.0 0.2 0.2-0.5 0.1 0.25 / 0.05 0.15 Remain
2218 0.9 1 3.5-4.5 0.2 1.2-1.8 0.1 / / 0.05 0.15 Remain
2618 0.10-0.25 0.9-1.3 1.9-2.7 / 1.3-1.8 / 0.1 0.04-0.10 0.05 0.15 Remain
2219 0.2 0.3 5.8-6.8 0.2-0.4 0.02 / 0.1 0.1-0.2 0.05 0.15 Remain
2024 0.5 0.5 3.8-4.9 0.3-0.9 1.2-1.8 0.1 0.25 0.15 0.05 0.15 Remain
2124 0.2 0.3 3.8-4.9 0.3-0.9 1.2-1.8 0.1 0.25 0.15 0.05 0.15 Remain

3. 2000 series alloy mechanical and physical properties:

Performance 2000 مسلسل
T4 state Brinell hardness (غ.ب) 120-145
قوة الشد (MPa) σb≥425
قوة العائد (MPa) σ0.2≥275
استطالة (%) σ≥14

ملحوظة: Sample size: لوحة الألومنيوم, the above is the transverse mechanical properties of aluminum plate at room temperature
4. 2 series factory temper: ح112, T4, T351, T6 temper

(3)3xxx series aluminum alloy

1. Features and scope of application:

3××× series are AL-Mn series alloys, which are the most widely used anti-rust aluminum. The strength of this alloy is not high (slightly higher than industrial pure aluminum).
It cannot be strengthened by heat treatment, so cold working method is used to improve its mechanical properties; it has high plasticity in the annealed state, and plasticity in semi-cold work hardening
Good toughness, low plasticity when cold work hardening, مقاومة جيدة للتآكل, good weldability, ضعف القدرة على التصنيع. Mainly used for demanding plasticity and good
Weldability, low-load parts working in liquid or gaseous media, such as fuel tanks, gasoline or lubricating oil conduits, various liquid containers and other uses
Small load parts made by deep drawing; wire used to make rivets. 3××× series aluminum plates have good formability, قابلية اللحام ومقاومة التآكل. for processing needs
To have good formability, high corrosion resistance and good weldability parts, or require both these properties and more than 1××× series alloys
High-intensity work, مثل أدوات المطبخ, food and chemical product processing and storage devices, خزانات وصهاريج لنقل المنتجات السائلة, various presses processed with thin plates
Pressure vessels and pipes, general utensils, بالوعة الحرارة, لوحات التجميل, بكرات آلة التصوير, and ship materials.

2. Grade and chemical composition list

سبيكة و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
3000 مسلسل 0.6 0.7 0.05-0.2 1.0-1.5 / / 0.1 / 0.05 0.15 ≥97

 

سبيكة Chemical Composition (Mass Fraction) (%)
و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
3A21 0.6 0.7 0.2 1.0-1.6 0.05 / 0.10 0.15 0.05 0.1 Remain
3003 0.6 0.7 0.05-0.20 1.0-1.5 / / 0.1 / 0.05 0.15 Remain
3103 0.5 0.7 0.1 0.9-1.5 0.3 0.1 0.2 / 0.05 0.15 Remain
3004 0.3 0.7 0.25 1.0-1.5 0.8-1.3 / 0.25 / 0.05 0.15 Remain
3005 0.6 0.7 0.3 1.0-1.5 0.2-0.6 0.1 0.25 0.1 0.05 0.15 Remain
3105 0.6 0.7 0.3 0.3-0.8 0.2-0.8 0.2 0.4 0.1 0.05 0.15 Remain

3. 3000 series alloy mechanical and physical properties:

Performance 2000 مسلسل
H24 state Brinell hardness (غ.ب) 35-45
قوة الشد (MPa) σb≥140-200
قوة العائد (MPa) σ0.2≥115
استطالة (%) σ≥12

4. 3 series factory temper: ح112, H24,O temper

(4)5xxx series aluminum alloy

1. Features and scope of application:

5××× series are high-magnesium alloys, which have good strength, corrosion resistance and machinability among non-heat-treatable alloys. Surface after anodizing
beautiful. Arc welding performance is good. The main alloying element in 5××× series alloys is magnesium, which has good corrosion resistance and weldability, و
medium strength. Excellent corrosion resistance makes 5××× series alloys widely used in marine applications such as ships, as well as automobiles, aircraft weldments, subway
Light rail, أوعية الضغط التي تتطلب حماية صارمة من الحرائق (such as liquid tank cars, refrigerated vehicles, and refrigerated containers), أجهزة التبريد, أبراج التلفزيون, معدات الحفر, مواصلات
Transport equipment, missile parts, درع, إلخ. Among them, the more widely used grades: 5A06, 5A05, 5083, 5754, 5052, 5005, 5086,
5182 إلخ.

2. Grade and chemical composition list:

سبيكة و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
5000 مسلسل 0.4 0.35 0.1 0.4-1.0 4.0-4.9 0.05-0.25 0.25 0.15 0.05 0.15 Remain

 

سبيكة Chemical Composition (Mass Fraction) (%)
و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
5A01 0.4 0.1 0.3-0.7 6.0-7.0 0.10-0.20 / 0.25 0.15 0.05 0.1 Remain
5أ02 0.4 0.4 0.1 0.15-0.40 2.0-2.8 / / 0.15 0.05 0.1 Remain
5A03 0.5-0.8 0.5 0.1 0.3-0.6 3.2-3.8 / 0.2 0.15 0.05 0.1 Remain
5A05 0.5 0.5 0.1 0.3-0.6 3.2-3.8 / 0.2 / 0.05 0.1 Remain
5B05 0.4 0.4 0.2 0.2-0.6 4.7-5.7 / / 0.15 0.05 0.1 Remain
5A06 0.4 0.4 0.1 0.5-0.8 5.8-6.8 / 0.2 0.02-0.10 0.05 0.1 Remain
5B06 0.4 0.4 0.1 0.5-0.8 5.8-6.8 / 0.2 0.1-0.3 0.05 0.1 Remain
5أ12 0.3 0.3 0.05 0.4-0.8 8.3-9.6 / 0.1 0.2 0.05 0.1 Remain
5أ12 0.3 0.3 0.05 0.4-0.8 9.2-10.5 / 0.1 0.2 0.05 0.1 Remain
5A30 Si+Fe:0.40 0.1 0.5-1.0 4.7-5.5 / / 0.25 0.05 0.1 Remain
5A33 0.35 0.35 0.1 0.1 6.0-7.5 / / / 0.05 0.15 Remain
5A41 0.4 0.4 0.1 0.3-0.6 6.0-7.0 / / / 0.05 0.15 Remain
5A43 0.4 0.4 0.1 0.15-0.40 0.6-1.4 / / / 0.05 0.15 Remain
5A66 0.005 0.01 0.005 / 1.5-2.0 / / / 0.05 0.15 Remain
5005 0.3 0.7 0.2 0.2 0.5-1.1 0.1 / 0.25 0.05 0.15 Remain
5019 0.4 0.5 0.1 0.10-0.6 4.5-5.6 0.2 / 0.2 0.05 0.15 Remain
5050 0.4 0.7 0.2 0.1 1.1-1.8 0.1 / 0.25 0.05 0.15 Remain
5251 0.4 0.5 0.15 0.10-0.5 1.7-2.4 0.15 / 0.15 0.05 0.15 Remain
5052 0.25 0.4 0.1 0.1 2.2-2.8 0.15-0.35 / 0.1 0.05 0.15 Remain
5154 0.5 0.4 0.1 0.1 3.1-3.9 0.15-0.35 / 0.2 0.05 0.15 Remain
5154A 0.5 0.5 0.1 0.5 3.1-3.9 0.25 / 0.2 0.05 0.15 Remain
5454 0.25 0.4 0.1 0.5-1.0 2.4-3.0 0.05-0.20 0.25 0.2 0.05 0.15 Remain
5554 0.25 0.4 0.1 0.5-1.0 2.4-3.0 0.05-0.20 0.25 0.05-0.20 0.05 0.15 Remain
5754 0.4 0.4 0.1 0.5 2.6-3.6 0.3 0.2 0.15 0.05 0.15 Remain
5066 0.3 0.4 0.1 0.05-0.2 4.5-5.6 0.05-0.20 0.1 / 0 0.15 Remain
5366 0.25 0.4 0.1 0.05-0.2 4.5-5.5 0.05-0.20 0.1 0.06-0.20 0.05 0.15 Remain
5456 0.25 0.4 0.1 0.5-1.0 4.7-5.5 0.05-0.20 0.25 0.2 0.05 0.15 Remain
5082 0.2 0.35 0.15 0.15 4.0-5.0 0.15 0.25 0.1 0.05 0.15 Remain
5182 0.2 0.35 0.15 0.2-0.5 4.0-5.0 0.1 0.25 0.1 0.05 0.15 Remain
5083 0.4 0.4 0.1 0.4-1.0 4.0-4.9 0.05-0.25 0.25 0.15 0.05 0.15 Remain
5183 0.4 0.4 0.01 0.5-1.0 4.3-5.2 0.05-0.25 0.25 0.15 0.05 0.15 Remain
5086 0.4 0.4 0.1 0.2-0.7 3.5-4.5 0.05-0.25 0.25 0.15 0.05 0.15 Remain

3. 5000 series alloy mechanical and physical properties:

Performance 5000 مسلسل
H112 state Brinell hardness (غ.ب) 45-75
قوة الشد (MPa) σb≥270
قوة العائد (MPa) σ0.2≥120
استطالة (%) σ≥12

4. 5 series factory temper: H32,H111,H112, H24,O temper

(5)6xxx series aluminum alloy

1. Features and scope of application:

The 6××× series are alloys that can be strengthened by heat treatment, and have good formability, قابلية اللحام, machinability, and moderate strength.
degree, it can still maintain good operability after annealing.
The main alloying elements of 6××× series alloys are magnesium and silicon AlMgSi1Cu, and form Mg2Si phase. If it contains a certain amount of manganese and chromium, it can be
To neutralize the bad effect of iron; sometimes a small amount of copper or zinc is added to increase the strength of the alloy without significantly reducing its corrosion resistance; conduct electricity
There is also a small amount of copper in the material to offset the adverse effects of titanium and iron on conductivity; zirconium or titanium can refine the grain and control the recrystallization structure; in order to improve
Good machinability, lead and bismuth can be added. The solid solution of Mg2Si in aluminum makes the alloy have the function of artificial age hardening.
6061-T651 is the main alloy in the 6××× series of alloys. It is a high-quality aluminum alloy product produced by heat treatment and pre-stretching process. Its strength
Although it cannot be compared with 2××× series or 7××× series, it has many characteristics of magnesium and silicon alloys, excellent processing performance, excellent welding characteristics and electric resistance.
Plating properties, مقاومة جيدة للتآكل, high toughness and no deformation after processing, dense material without defects and easy polishing, easy color film, excellent oxidation effect
Good and other excellent features. 6××× aluminum-silicon alloys are widely used grades: 6082, 6063 (LD31), 6061 (LD30), 6أ02, إلخ.

2. 6000 grade and chemical composition list:

سبيكة و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
6000 مسلسل 0.4-0.8 0.7 0.15-0.4 0.15 0.8-1.2 0.04-0.35 0.25 0.15 0.05 0.15 Remain

 

سبيكة Chemical Composition (Mass Fraction) (%)
و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
6أ02 0.5-1.2 0.5 0.2-0.6 0.15-0.35 0.45-0.9 / 0.2 0.15 0.05 0.1 Remain
6B02 0.7-1.1 0.4 0.1-0.4 0.1-0.3 0.4-0.8 / 0.15 0.01-0.04 0.05 0.1 Remain
6A51 0.5-0.7 0.5 0.15-0.35 / 0.45-0.6 0.1 0.25 0.01-0.04 0.05 0.1 Remain
6101 0.3-0.7 0.7 0.25 1.0-1.5 0.8-1.3 / 0.25 / 0.05 0.15 Remain
6101A 0.6 0.7 0.3 1.0-1.5 0.2-0.6 0.1 0.25 0.1 0.05 0.15 Remain
6005 0.6 0.7 0.3 0.3-0.8 0.2-0.8 0.2 0.4 0.1 0.05 0.15 Remain
6005A 0.5-1.9 0.35 0.3 0.1 0.4-0.7 0.3 0.2 0.1 0.05 0.15 Remain
6351 0.7-1.3 0.5 0.1 0.4-0.8 0.4-0.8 / 0.2 0.2 0.05 0.15 Remain
6060 0.3-0.6 0.1-0.3 0.1 0.1 0.35-0.6 0.05 0.15 0.1 0.05 0.15 Remain
6061 0.4-0.8 0.7 0.15-0.40 0.15 0.8-1.2 0.04-0.35 0.25 0.15 0.05 0.15 Remain
6063 0.2-0.6 0.35 0.1 0.1 0.45-0.9 0.1 0.1 0.1 0.05 0.15 Remain
6063A 0.3-0.6 0.15-0.35 0.1 0.15 0.6-0.9 0.05 0.15 0.1 0.05 0.15 Remain
6070 1.0-1.7 0.5 0.15-0.40 0.4-1.0 0.5-1.2 0.1 0.25 0.15 0.05 0.15 Remain
6181 0.8-1.2 0.45 0.1 0.15-0.6 0.6-1.0 0.1 0.2 0.1 0.05 0.15 Remain
6082 0.7-1.3 0.5 0.1 0.4-1.0 0.6-1.2 0.25 0.2 0.1 0.05 0.15 Remain

3. 6000 series alloy mechanical and physical properties:

Performance 6 مسلسل
T6 state Brinell hardness (غ.ب) 90-110
قوة الشد (MPa) σb≥310
قوة العائد (MPa) σ0.2≥276
استطالة (%) σ≥11

4. 6 series factory temper: H32,H111,H112, H24,O temper

(6)7xxx series aluminum alloy

1. Features and scope of application:

7××× aluminum alloy is another commonly used alloy with a wide variety. It contains zinc and magnesium. The strongest strength among common aluminum alloys
It is 7075 سبيكة, but it cannot be welded, and its corrosion resistance is quite poor, and many parts manufactured by CNC cutting use
7075 سبيكة. Zinc is the main alloying element in this series, and the addition of a small amount of magnesium alloy allows the material to be heat treated to achieve very high strength properties.
These series of materials are generally added with a small amount of alloys such as copper and chromium, among which the number 7075 aluminum alloy is especially top-grade, with the highest strength and suitable for aircraft structures.
Racks and high-strength accessories.
7075 is an Al-Zn-Mg-Cu super duralumin alloy, which was used in the aircraft manufacturing industry in the late 1940s and is still used in the aviation industry today.
Ultra-high strength wrought aluminum alloy widely used in the industry. Its characteristic is that it has good plasticity after solution treatment, and the strengthening effect of heat treatment is particularly good.
The following have high strength, and have particularly good low temperature strength; poor welding performance; tend to stress corrosion cracking; need to be covered with aluminum or other protective treatment
Reasonable use. Dual-stage aging can improve the alloy’s ability to resist stress corrosion cracking. The plasticity in the annealed and as-quenched state is slightly lower than that in the same state
2أ12, slightly better than 7A04, the static fatigue of the plate is notch sensitive, and the stress corrosion performance is better than 7A04.
7××× aluminum-zinc alloys are widely used grades: 7075, 7A04 (LC4), 7A09 (LC9), 7A52, 7A05, إلخ.

2. 7000 grade and chemical composition list:

سبيكة و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
7000 مسلسل 0.4 0.5 1.2-2.0 0.3 2.1-2.9 0.18-0.28 5.1-6.1 0.2 0.05 0.15 Remain

 

سبيكة Chemical Composition (Mass Fraction) (%)
و الحديد النحاس من ملغ كر الزنك ل آحرون آل
كل المجموع
7A01 0.3 0.3 0.01 / / / 0.9-1.3 / 0.05 / Remain
7A03 0.2 0.2 1.8-2.4 0.1 1.2-1.6 0.05 6.0-6.7 0.01-0.04 0.05 0.1 Remain
7A04 0.5 0.5 1.4-2.0 0.2-0.6 1.8-2.8 0.1-0.25 5.0-7.0 0.01-0.04 0.05 0.1 Remain
7A05 0.25 0.25 0.2 0.15-0.40 1.1-1.7 0.05-0.15 4.4-5.0 0.02-0.06 0.05 0.1 Remain
7A09 0.5 0.5 1.2-2.0 0.15 2.0-3.0 0.16-0.30 5.1-6.1 0.1 0.05 0.1 Remain
7A10 0.3 0.3 0.5-1.0 0.2-0.35 3.0-4.0 0.1-0.2 3.2-4.2 0.1 0.05 0.1 Remain
7A15 0.5 0.5 0.5-1.0 0.10-0.4 2.4-3.0 0.1-0.3 4.4-5.4 0.05-0.15 0.05 0.15 Remain
7A19 0.3 0.4 0.08-0.30 0.3-0.5 1.3-1.9 0.1-0.2 4.5-5.3 / 0.05 0.15 Remain
7A31 0.3 0.6 0.1-0.4 0.2-0.4 2.5-3.3 0.1-0.2 3.6-4.5 0.02-0.1 0.05 0.15 Remain
7A33 0.25 0.3 0.25-0.55 0.05 2.2-2.7 0.1-0.2 4.6-5.4 0.05 0.05 0.15 Remain
7A52 0.25 0.3 0.05-0.20 0.2-0.5 2.0-2.8 0.15-0.25 4.0-4.8 0.05-0.18 0.05 0.15 Remain
7003 0.3 0.35 0.2 0.3 0.5-1.0 0.2 5.0-6.5 0.2 0.05 0.15 Remain
7005 0.35 0.4 0.1 0.2-0.7 1.0-1.8 / 4.0-5.0 0.01-0.06 0.05 0.15 Remain
7020 0.35 0.4 0.2 0.05-0.50 1.0-1.4 0.10-0.35 4.0-5.0 / 0.05 0.15 Remain
7022 0.5 0.5 0.5-1.0 0.1-0.4 2.6-3.7 0.1-0.3 4.3-5.2 / 0.05 0.15 Remain
7050 0.12 0.15 2.0-2.6 0.1 1.9-2.6 0.04 5.7-6.7 0.06 0.05 0.15 Remain
7075 0.4 0.5 1.2-2.0 0.3 2.1-2.9 0.18-0.28 5.1-6.1 0.2 0.05 0.15 Remain
7475 0.1 0.12 1.2-1.9 0.06 1.9-2.6 0.18-0.25 5.2-6.2 0.06 0.05 0.15 Remain

3. 7000 series alloy mechanical and physical properties:

Performance 7 مسلسل
T6 state Brinell hardness (غ.ب) 150
قوة الشد (MPa) σb≥572
قوة العائد (MPa) σ0.2≥503
استطالة (%) σ≥12

4. 7 series factory temper: ح112, T6,T651,T7451 temper

Physical and mechanical properties of typical aluminum alloys

Typical Physical Properties of Aluminum Alloys
Aluminum grade and temper Coefficient of thermal expansion (20-100درجه مئوية)μm/m·k Melting point range (درجة مئوية) Conductivity 20℃(68℉)(%IACS) Resistivity20℃(68℉)Ωmm2/m كثافة(20درجه مئوية)(جم/سم3)
2024-T351 23.2 500-635 30 0.058 2.82
5052-ح112 23.8 607-650 35 0.050 2.72
5083-ح112 23.4 570-640 29 0.059 2.72
6061-T651 23.6 580-650 43 0.040 2.73
7050-T7451 23.5 490-630 41 0.0415 2.82
7075-T651 23.6 475-635 33 0.0515 2.82

Typical Mechanical Properties of Aluminum Alloys

Typical Mechanical Properties of Aluminum Alloys
Aluminum grade and temper قوة الشد (25°C MPa) قوة العائد (25°C MPa) Hardness 500kg force 10mm Elongation 1.6mm (1/16in) سماكة
2024-T351 470 325 120 20
5052-ح112 175 195 60 12
5083-ح112 180 211 65 14
6061-T651 310 276 95 12
7050-T7451 510 455 135 10
7075-T651 572 503 150 11

 

5052 Physical Properties
Specific gravity g/cm³ Elasticity Kg/mm²×10³ Expansion rate (20-100درجة مئوية) -6/درجة مئوية Heat conduction (25درجة مئوية) Cal/cm·s·°C Resistivity (20درجه مئوية)Ωmm²/m Melting temperature range °C
2.71 7.2 23.4×10 0.33 0.049 595-650
مقاومة التآكل Weldability القابلية للتشكيل القدرة على التصنيع Anode coating Wax solderability
excellent excellent ممتاز (0 مادة) passable excellent inferior
5052 Mechanical behavior
حِدّة 0.2% yield strength Kg/mm² قوة الشد (Max) Kg/mm² Ductility δ50% Fatigue strengthKg/mm² Brinell hardness HB
يا 9.0 19.5 25-30 11.0 47
ح32 19.5 23.0 12-18 12.0 50
ح34 22.0 27.0 10-14 12.5 68
Features Medium-strength work-hardening alloy with high utilization.
التطبيقات Uses General sheet metal, structural materials.

 

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