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天津无缝钢管厂-万源鑫商贸有限公司主营:022-85752345、85762345
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ASTM A519美国标准(无缝碳素钢与合金钢机械用管)
标准:ASTM A519
无缝碳素钢与合金钢机械用管/Seamless carbon and Alloy Steel Mechanical Tubing
Application:
用于机械工程方面/For mechanical engineering。
For mechanical and pressure use,and also for transporting steam,water,gas and etc.
钢号及化学成分/Grade and Chemical Composition (%)
钢级 Grade
C
Mn
P≤
S≤
Si
Cr
Mo
1008
≤0.10
0.30-0.50
0.040
0.050
-
-
-
1010
0.08-0.13
0.30-0.60
0.040
0.050
-
-
-
1018
0.15-0.20
0.60-0.90
0.040
0.050
-
-
-
1020
0.18-0.23
0.30-0.60
0.040
0.050
-
-
-
1025
0.22-0.28
0.30-0.60
0.040
0.050
-
-
-
1026
0.22-0.28
0.60-0.90
0.040
0.050
-
-
-
4130
0.28-0.33
0.40-0.60
0.040
0.040
0.15-0.35
0.80-1.1
0.15-0.25
4140
0.38-0.43
0.75-1.00
0.040
0.040
0.15-0.35
0.80-1.1
0.15-0.35
机械性能/Mechanical Properties:
钢级
Grade
状态
Condition
屈服强度MPa
Tenslle Point
抗拉强度
Yield Point
伸长率
Elongation
1020
CW
≥414
≥483
≥5%
SR
≥345
≥448
≥10%
A
≥193
≥331
≥30%
N
≥234
≥379
≥22%
1025
CW
≥448
≥517
≥5%
SR
≥379
≥483
≥8%
A
≥207
≥365
≥25%
N
≥248
≥379
≥22%
4130
SR
≥586
≥724
≥10%
A
≥379
≥517
≥30%
N
≥414
≥621
≥20%
4140
SR
≥689
≥855
≥10%
A
≥414
≥552
≥25%
N
≥621
≥855
≥20%
Remarks 备注:
HR:hot rolled
CW:cold worked 冷拔
SR:stress relieved 去除应力
A:annealed 退火
N:normalized 正火
HF:热轧
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