ASTM A312 TP304 Heat Exchanger Steel Pipe , Thick Wall Stainless Steel Tube
ASTM A312 TP304 stainless steel seamless pipe supplied by us are industry standard approved and certified. Have major applications in oil, gas, petrochemical, power and desalination, civil construction, ship building, marine, food, diary and other association industries.
1. Available Size Range
| OD | Thickness |
| mm | inch | mm | SCH |
| 21.3~60.3 | 1/2''~ 2'' | 1.65 ~ 5.54 | SCH5S ~ 80S |
| *If the steel grades and size you are looking for are not listed above, please contact us for further information. |
2. Standards:
ASTM A312 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
3. Steel pipes No. of main production:
TP201, TP304, TP304L, TP316L
4. Chemical Requirements
| Chemical Composition % |
| Grade | UNS Designation | C | Mn | P | S | Si | Cr | Ni | Mo | Other |
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | … | |
| TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-13.0 | … | |
| TP304H | S30409 | 0.04-0.10 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | … | |
| TP316 | S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 11.0-14.0 | 2.00-3.00 | |
| TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | |
| TP316H | S31609 | 0.04-0.10 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 11.0-14.0 | 2.00-3.00 | |
| TP321 | S32100 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | … | N: 0.1 |
| TP321H | S32109 | 0.04-0.10 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | … | N: 0.1 |
| Ti: 4(C+N) min; |
| 0.70 max |
| TP347 | S34700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-13.0 | … | |
| TP347H | S34709 | 0.04-0.10 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-13.0 | … | |
4. Mechanical Properties
| Mechanical Properties |
| Grade | UNS Designation | Tensile Strength, min ksi [Mpa] | Yield Strength, min ksi [Mpa] |
| TP304 | S30400 | 75 [515] | 30 [205] |
| TP304L | S30403 | 70 [485] | 25 [170] |
| TP304H | S30409 | 75 [515] | 30 [205] |
| TP316 | S31600 | 75 [515] | 30 [205] |
| TP316L | S31603 | 70 [485] | 25 [170] |
| TP316H | S31609 | 75 [515] | 30 [205] |
| TP321 | S32100 | 75 [515] | 30 [205] |
| TP321H | S32109 | 75 [515] | 30 [205] |
| TP347 | S34700 | 75 [515] | 30 [205] |
| TP347H | S34709 | 75 [515] | 30 [205] |
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Thick Wall Heat Exchanger Steel Pipe , Stainless Steel Pipe ASTM A312 TP304 Images
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