超低温用钢SA203E钢板

条件

最小

最大

近似

注释

C

-

0.1700

-

For t < 50 mm; For 50 < t <= 100 mm, C max. = 0.20%; For t > 100 mm, C max. = 0.23%; For both analysis

Mn

-

0.7000

-

For t < 50 mm; Product analysis: 0.78% max; For t > 50 mm Mn max. = 0,80 %; Product analysis: 0.88% max

P

-

0.0350

-

for both analysis

S

-

0.0350

-

for both analysis

Si

0.1500

0.4000

-

Product analysis: 0.13-0.45%

Ni

2.1000

2.5000

-

Product analysis: 2.03-2.57%

最小

最大

近似

Plates; 正火; t < 150 mm

屈服强度, Rp0,2 (MPa)  

255

-

-

抗拉强度, Rm (MPa)  

450

585

-

伸长率, A (%)  

23

-

-

Lo = 50mm; A min = 19% in Lo = 200mm

断面收缩率 (%)

-

-

-

冲击功, Kv/Ku (J)

27

-

-

Charpy V Notch 20°C

最小

最大

近似

Plates; 淬火和回火; > 50 < 100 mm

屈服强度, Rp0,2 (MPa)  

345

-

-

抗拉强度, Rm (MPa)  

515

655

-

伸长率, A (%)  

20

-

-

Lo = 50mm

断面收缩率  (%)

-

-

-

冲击功, Kv/Ku (J)

-

-

-

Plates; 淬火和回火; t < 50 mm

屈服强度, Rp0,2 (MPa)  

380

-

-

抗拉强度, Rm (MPa)  

550

690

-

伸长率, A (%)  

20

-

-

Lo = 50mm

断面收缩率 (%)

-

-

-

冲击功, Kv/Ku (J)

-

-

-