ASTM A312 Stainless Steel Welded Pipe
Product Description
Type: Stainless Steel Pipes Grade: 300 Series Shape: Round Surface Treatment: Pickling Standard: ASTM, AISI Certification: ISO, SGS, AISI, ASTM Technique: Hot Rolled Origin: China ASTM A312 Stainless Steel Welded Pipe
Standard: ASTM A312/ASME SA312
Material: 304, 304L, 304H, 310S, 316, 316L, 316H, 316Ti, 321, 321H, 347, 347H
Size: OD(6-1016mm) X WT(1-50mm)
Application: Used in Pipeline for transporting corrosive fluid.
Inspection items:
1, Chemical Composition
2, Size
3, Mechanical Properties
4, Flattening Test
5, Hydrostatic Test or Eddy current test or Ultrasonic test
6, Surface quality, straightness
Chemical Composition
Mechanical Properties
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Standard: ASTM A312/ASME SA312
Material: 304, 304L, 304H, 310S, 316, 316L, 316H, 316Ti, 321, 321H, 347, 347H
Size: OD(6-1016mm) X WT(1-50mm)
Application: Used in Pipeline for transporting corrosive fluid.
Inspection items:
1, Chemical Composition
2, Size
3, Mechanical Properties
4, Flattening Test
5, Hydrostatic Test or Eddy current test or Ultrasonic test
6, Surface quality, straightness
| NPS | ASTM A312 OD Tolerance | |||
| + | - | |||
| inch | mm | inch | mm | |
| 1/8~1 1 /2 > 1 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48 | 1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187) | 0.4 0.8 1.6 2.4 3.2 4.0 4.8 | 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) | 0.8 0.8 0.8 0.8 0.8 0.8 0.8 |
| NPS | ASTM A312 WT Tolerance, % | |
| + | - | |
| 1/8-2 1 /2 | 20.0 | 12.5 |
| 3~18, t/D≤ 5% | 22.5 | 12.5 |
| 3~18, t/D> 5% | 15.0 | 12.5 |
| ≥ 20, welded | 17.5 | 12.5 |
| ≥ 20, seamless, t/D≤ 5% | 22.5 | 12.5 |
| ≥ 20, seamless, t/D> 5% | 15.0 | 12.5 |
Chemical Composition
| Material | ASTM A312 Chemical Composition % Max | ||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mo | N B | Nb | Ti | |
| TP304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | ^ | ^ | ^ . | ^ |
| TP304H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | ^ | ^ | ^ | ^ |
| TP304L | 0.035 D | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-13.0 | ^ | ^ | ^ | ^ |
| TP310S | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0-26.0 | 19.0-22.0 | 0.75 | | | |
| TP316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 11.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP316L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP316H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 11.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP316Ti | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10 | ^ | 5x(C+N)-0.70 |
| TP321 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-12.0 | ^ | 0.10 | ^ | 5C-0.70 |
| TP321H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-12.0 | ^ | ^ | ^ | 4C-0.60 |
| TP347 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 | | | 10xC-1.00 | ^ |
| TP347H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 | ^ | ^ | 8xC-1.00 | ^ |
Mechanical Properties
| ASTM A312 Mechanical Properties | | |||||
| Material | Heat Treatment | Temperure Min. º F(º C) | Tensile Strength Ksi (MPa), Min. | Yield Strength Ksi (MPa), Min. | Elongation %, Min | |
| | ||||||
| TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 | |
| TP304L | Solution | 1900 (1040) | 70(485) | 25(170) | 35 | |
| TP304H | Solution | 1900 (1040) | 75(515) | 30(205) | 35 | |
| TP310S | Solution | 1900 (1040) | 75(515) | 30(205) | 35 | |
| TP316 | Solution | 1900(1040) | 75(515) | 30(205) | 35 | |
| TP316L | Solution | 1900(1040) | 70(485) | 25(170) | 35 | |
| TP316H | Solution | 1900(1040) | 75(515) | 30(205) | 35 | |
| TP316Ti | Solution | 1900(1040) | 75(515) | 30(205) | 35 | |
| TP321 | Solution | 1900(1040) | 75(515) | 30(205) | 35 | |
| TP321H | Solution | Cold: 2000(1100) Hot: 1925(1050) | 75(515) | 30(205) | 35 | |
| TP347 | Solution | 1900(1040) | 75(515) | 30(205) | 35 | |
| TP347H | Solution | Cold: 2000(1100) Hot: 1925(1050) | 75(515) | 30(205) | 35 | |
Product Categories : stainless steel pipe
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