| ASTM |
Grade |
Chemical requirement percent(%) |
Mechanical requirements |
C
Max |
MIN
Max |
P
Max |
S
Max |
Si
Max |
Ni |
Cr |
Mo |
Cu |
Others |
Tensite
Strength
mini-Mpa |
Yield
Strength
mini-Mpa |
Elong-mini
% |
Hardness
Brinell Rockwell |
| A240 |
304
304L
310
316
316 L
317 L
321
347 |
0.08
0.03
0.08
0.08
0.03
0.03
0.08
0.08 |
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00 |
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45 |
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30 |
0.75
0.75
1.50
0.75
0.75
0.75
0.75
0.75 |
8.00-10.5
8.00-12.0
19.0-22.0
10.0-14.0
10.0-14.0
11.0-15.0
9.0-12.0
9.0-13.0 |
18.0-20.0
18.0-20.0
24.0-26.0
16.0-18.0
16.0-18.0
18.0-20.0
17.0-19.0
17.0-19.0 |
2.00 - 3.00
2.00 - 3.00
3.00 - 4.00 |
|
Ti > 5*C < 0.70
Cb + Ta >10xc < 1.10 |
515
485
515
515
485
515
515
515 |
205
170
205
205
170
205
205
205 |
40
40
40
40
40
40
40
40
|
201 92
201 92
217 95
217 95
217 95
217 95
217 95
201 92
|
A387
Class1
Class2 |
2
5
7
9
11
12
21
22 |
0.05-0.21
0.15
0.15
0.15
0.04-0.17
0.04-0.17
0.04-0.17
0.04-0.17
|
0.55-0.80
0.30-0.60
0.30-0.60
0.30-0.60
0.40-0.65
0.40-0.65
0.30-0.60
0.30-0.60 |
0.035
0.04
0.030
0.030
0.035
0.035
0.035
0.035 |
0.040
0.030
0.030
0.030
0.035
0.035
0.035
0.035 |
0.15-0.4
0.050
1.00
1.00
0.5-0.80
0.15-0.40
0.50
0.50 |
|
0.5-0.8
4.0-6.0
6.0-8.0
8.0-10.0
1.0-1.5
0.8-1.15
2.75-3.25
2.0-2.5 |
0.45 - 0.60
0.45 - 0.65
0.45 - 0.65
0.90 - 1.10
0.45 - 0.65
0.40 - 0.60
0.90 - 1.10
0.90 - 1.10 |
|
Ti > 5*C < 0.70
Cb + Ta >10xc < 1.10 |
Cs1 Cs2
380 486
415 515
415 515
415 515
415 515
380 450
415 515
415 515
|
Cs1 Cs2
230 310
205 31
205 310
240 310
240 310
230 275
205 310
205 310
|
22
18
18
18
22
22
18
18 |
max201HB max92HRB
max201HB max92HRB
max201HB max95HRB
max201HB max95HRB
max201HB max95HRB
max201HB max95HRB
max201HB max92HRB
max201HB max92HRB |
