| 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
% |
Impact test at
C F |
A213
A269
A312 |
TP 304
TP 304 L
TP 310 S
TP 316
TP 316 L
TP 317 L
TP 321
TP 347 |
0.08
0.035
0.08
0.08
0.035
0.035
0.08
0.08 |
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00 |
0.40
0.40
0.45
0.40
0.40
0.40
0.40
0.40 |
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 |
8.00-11.0
8.00-13.0
19.0-22.0
11.0-14.0
10.0-15.0
11.0-15.0
9.00-13.0
9.00-13.0 |
18.0-20.0
18.0-20.0
24.0-26.0
16.0-18.0
16.0-18.0
18.0-20.0
17.0-20.0
17.0-20.0 |
0.75 max
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 |
L35 - T25
L35 - T25
L35 - T25
L35 - T25
L35 - T25
L35 - T25
L35 - T25
L35 - T25
|
| A358 |
TP 304
TP 310
TP 316 S
TP 316 L
TP 317 L
TP 321
TP 347 |
0.08
0.08
0.08
0.08
0.030
0.08
0.08 |
2.00
2.00
2.00
2.00
2.00
2.00
2.00
|
0.045
0.045
0.045
0.045
0.045
0.045
0.045 |
0.30
0.30
0.30
0.30
0.30
0.30
0.30 |
0.75
0.50
0.75
0.75
0.75
0.75
0.75 |
8.0-10.50
19.0-22.0
10.0-14.0
10.0-14.0
11.0-15.0
9.00-12.0
9.00-13.0 |
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 |
-
-
2.0 - 3.0
2.0 - 3.0
3.0 - 4.0
-
- |
|
Ti > 5*C < 0.70
Cb + Ta >10xc < 1.10 |
| Class 1 |
: |
Double welded pipes & full Radiography |
| Class 2 |
: |
Double welded no Radiography |
| Class 3 |
: |
Single welded full Radiography |
| Class 4 |
: |
Single welded full Radiography root pass without addition of filter
Class 5: Double welded Spot Radiography
|
|