厚度
t
mm |
熱處理或狀態(tài)
|
抗拉強(qiáng)度 σb
Mpa |
屈服點(diǎn) σs
Mpa |
斷后伸長率或延伸率 δ
% |
斷面收縮率 ψ
% |
硬度
HBW |
t≤0.25 |
固溶處理 |
≤1035 |
≤450 |
|
|
|
0.25<t<102 |
固溶處理 |
≤1035 |
≤380 |
≥20 |
|
HRB ≤92 |
0.038<t<0.124 |
沉淀硬化,760℃+plus15℃+566℃ |
≥1240 |
≥1035 |
≥3 |
|
HRC ≥38 |
0.127<t<0.251 |
沉淀硬化玖远,760℃+plus15℃+566℃ |
≥1240 |
≥1035 |
≥4 |
|
HRC ≥38 |
0.25<t<0.505 |
沉淀硬化烦猾,760℃+plus15℃+566℃ |
≥1240 |
≥1035 |
≥5 |
|
HRC ≥38 |
0.51<t<4.760 |
沉淀硬化,760℃+plus15℃+566℃ |
≥1240 |
≥1035 |
≥6 |
|
HRC ≥38 |
4.762<t<15.88 |
沉淀硬化禽糊,760℃+plus15℃+566℃ |
≥1170 |
≥965 |
≥7 |
≥20 |
HRC ≥38 |
0.038<t<0.124 |
沉淀硬化吆揖,954℃+minus73℃+510℃ |
≥1450 |
≥1310 |
≥1 |
|
HRC ≥44 |
0.127<t<0.251 |
沉淀硬化,954℃+minus73℃+510℃ |
≥1450 |
≥1310 |
≥2 |
|
HRC ≥44 |
0.25<t<0.505 |
沉淀硬化阔萧,954℃+minus73℃+510℃ |
≥1450 |
≥1310 |
≥3 |
|
HRC ≥44 |
0.51<t<4.760 |
沉淀硬化绳瓣,954℃+minus73℃+510℃ |
≥1450 |
≥1310 |
≥4 |
|
HRC ≥44 |
4.762<t<15.88 |
沉淀硬化,954℃+minus73℃+510℃ |
≥1380 |
≥1240 |
≥6 |
≥20 |
HRC ≥43 |
0.038<t<1.27 |
Cold rolled at mill |
≥1380 |
≥1205 |
≥1 |
|
HRC ≥41 |
0.038<t<1.27 |
Cold rolled at mill + 482℃ |
≥1655 |
≥1580 |
≥1 |
|
HRC ≥46 |
注:Reduction of Area:Applicable to tests in the long transverse direction. Transverse to the direction of rolling and parallel to the product surface.