ASME/ASTM Standard
Stainless Steel Pipe
Standard
ASTM A312/A312M 05a
ASTM A269 04
Application
ASTM A269 04 is used for general corrosive and low or high temperature condition service.
ASTM A312/A312M 05a is used for high temperature and general corrosive condition service.
Main Steel Tube Grades
TP304, TP304L, TP321, TP316, TP316L, TP347, TP347H
Chemical Composition
| Steel Grade |
Chemical Composition % |
| C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mo |
| TP304 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0-20.0 |
8.0-11.0 |
/ |
| TP304L |
0.035 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0-20.0 |
8.0-13.0 |
/ |
| TP304H |
0.04-0.10 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0-20.0 |
8.0-11.0 |
/ |
| TP316 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0-18.0 |
11.0-14.0 |
2.00-3.00 |
| TP316L |
0.035 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
| TP316H |
0.04-0.10 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0-18.0 |
11.0-14.0 |
2.00-3.00 |
| TP321 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
17.0-19.0 |
9.0-12.0 |
/ |
| TP347 |
0.08 |
2.00 |
0.040 |
0.030 |
0.75 |
17.0-20.0 |
9.0-13.0 |
/ |
| TP347H |
0.04-0.10 |
2.00 |
0.040 |
0.030 |
0.75 |
17.0-20.0 |
9.0-13.0 |
/ |
Mechanical Properties
| Steel Grade |
Mechanical Properties |
| Tensile Strength MPa |
Yield Strength MPa |
Elongation % |
| TP304 |
≥515 |
≥205 |
≥35 |
| TP304L |
≥485 |
≥170 |
≥35 |
| TP304H |
≥515 |
≥205 |
≥35 |
| TP316 |
≥515 |
≥205 |
≥35 |
| TP316L |
≥485 |
≥170 |
≥35 |
| TP316H |
≥515 |
≥205 |
≥35 |
| TP321 |
≥515 |
≥205 |
≥35 |
| TP347 |
≥515 |
≥205 |
≥35 |
| TP347H |
≥515 |
≥205 |
≥35 |
