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Grade 2024
Other Names
Corresponding Standard JIS H 4040-2015
Aluminium and Aluminium Alloy Bars and Wires
Classification Aluminum and Aluminum Alloys
Properties Machinability
2024 Chemical Element Composition Content (%)
Component Fe Si Mn Cr Cu Ti Zn Mg Other Individual Other Total More
Minimum Value - - 0.3 - 3.8 - - 1.2 - - Al:余量
Maximum Value 0.5 0.5 0.9 0.1 4.9 0.15 0.25 1.8 0.05 0.15
"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.
2024 Mechanical Properties
condition Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
d≤3 2024 O Annealing (O) ≤245 - -
3<d≤100 Annealing (O) ≤245 - A50mm
≥16
d≤3 2024 H111 Strain-Hardening (H111) ≤245 - -
3<d≤100 Strain-Hardening (H111) ≤245 - A50mm
≥16
d≤10 2024 H18 Strain - Hardening - 4/4 Hard (H18) ≥320 - -
d≤10 2024 T3 T3 ≥425 ≥310 A50mm
≥8
10<d≤80 T3 ≥425 ≥290 ≥7
12.5≤d≤100 2024 T351 T351 ≥425 ≥310 A
≥9
d≤3 2024 T4 Solution Heat Treatment + Natural Aging (T4) ≥425 - -
3<d≤12 Solution Heat Treatment + Natural Aging (T4) ≥425 ≥310 A50mm
≥10
12<d≤100 Solution Heat Treatment + Natural Aging (T4) ≥425 ≥290 ≥10
d≤3 2024 T451 Solution heat-treated, stress-relieved by stretching (T451) ≥425 - -
3<d≤12 Solution heat-treated, stress-relieved by stretching (T451) ≥425 ≥310 A50mm
≥10
12<d≤100 Solution heat-treated, stress-relieved by stretching (T451) ≥425 ≥290 ≥10
d≤3 2024 T42 Solution Heat Treatment + Natural Aging (T42) ≥430 - -
3<d≤100;s≤230 Solution Heat Treatment + Natural Aging (T42) ≥430 ≥275 ≥10
d≤80 2024 T6 Solid Solution Heat Treatment + Artificial Aging (T6) ≥425 ≥315 ≥4
d≤80 2024 T651 Solid Solution Heat Treatment + Stretching Stress Relief + Artificial Aging (T651) ≥425 ≥315 ≥3
d≤3 2024 T62 Solution heat treatment + artificial aging (T62) ≥410 - -
3<d≤100;s≤230 Solution heat treatment + artificial aging (T62) ≥410 ≥315 ≥5
d≤80 2024 T8 Solution Heat Treatment + Cold Work + Artificial Aging (T8) ≥455 ≥400 ≥3
d≤80 2024 T851 T851 ≥455 ≥400 ≥2
① A50mm、A（5.65√S0）- gauge length，S0-Specimen area，s=S0，unit mm sq
② d-diameter、thickness or width across flats, unit mm；s - cross section area, unit mm sq
1 Approximate Comparison Table Wrought Aluminum and Aluminum Alloy
China Japan United States International Organization for Standardization Germany European Standard
GB JIS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN
2024 2024
A92024 		2024 A92024 AlCu4Mg1 A92024 AlCu4Mg2 3.1355
A92024 		EN-AW-AlCu4Mg1
2 Approximate Comparison Table Aluminium and Aluminium Alloy
Japan United States International Organization for Standardization Germany France European Standard Russia United Kingdom
JIS ASTM ISO DIN EN/DIN W-Nr. NF EN/NF EN GOST BS EN/BS
2024 2024 AlCu4Mg1 AlCuMg2 3.1355 2024 ENAW-AlCu4Mg1 D16 2024
2024 Corresponding Standards(Same grade name, different standards)
1 GB /T 3190-2008
2024
2 JIS H 4040-2006
2024 A2024 W A2024 BD
3 GB /T 3195-2016
2024
4 DIN 1725-1-1983
2024 AlCuMg2 3.1355
5 GB /T 3190-2020
2024
6 JIS H 4040-2015
2024 A2024 BE
7 GB /T 3191-2019
2024
8 SAE AMS-QQ-A-250/4A-2007
2024 A92024
9 GJB 1741-1993
2024 (LY12) 2A12
10 GB /T 3880.1-2012
2024

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