精密冷拔钢管

Mechanical property

材质 material:20#、45#、16Mn、27SiMn、ST52、SAE1026

标准standra
交货状态
Delivery
condition

d:GB/T8713 GB/T3639 EN10305 AS
冷硬
cold finished(hard)(BK)

TM A519
冷拔+去应力退火
cold drawn and stress-relieved(BK+S)

钢号
steel grade

抗拉
Rm Mpa

延伸
Elongation A5(%)

抗拉
Rm Mpa

屈服
ReHMPa

延伸
Elongation As(%)

20#

≥550

≥8

≥520

≥375

≥15

45#

≥640

≥5

≥600

≥520

≥10

16Mn

≥640

≥5

≥600

≥520

≥14

25Mn

≥640

≥5

≥600

≥510

≥15

27SiMn

≥800

≥5

≥760

≥610

≥10

E355(St52)

≥640

≥5

≥600

≥520

≥14

SAE1026

≥640

≥5

≥600

≥510

≥15