ASTM A312 stainless steel pipe
ASTM A 312-seamless steel pipe and straight seam welded steel pipe.
ASTM A 312 standard covers seamless steel pipe and straight-seam welded steel pipe manufactured for high-temperature and general corrosive service, it belongs to austenitic stainless steel family.
Dimension:
| NPS, inch | OD, mm | Wall Thickness, mm | Max. Length, м |
|---|---|---|---|
| 1/8 | 10,3 | 1,73; 2,11 | 12 |
| 1/4 | 13,7 | 2,24; 3,02 | |
| 3/8 | 17,1 | 2,31; 3,20 | |
| 1/2 | 21,3 | 2,11; 3,73 | |
| 3/4 | 26,7 | 2,87; 3,91 | |
| 1 | 33,4 | 3,38; 4,55; 6,35 | 10 |
| 1 1/4 | 42,4 | 3,56; 4,85; 6,35 | |
| 1 1/2 | 48,3 | 3,68; 5,03; 7,14 | |
| 2 | 60,3 | 3,58; 3,91; 4,37; 4,78; 6,35; 6,94; 7,14 | |
| 2 1/2 | 73,0 | 3,58; 3,95; 4,37; 4,78; 5,16; 5,49; 6,35; 7,01 |
Mechanical property:
| Steel Grade | Tensile Strength, N/mm2 (min) | Yield Strength, N/mm2 (min) | Elongation, % (min) |
|---|---|---|---|
| TP304 | 515 | 205 | 35 |
| TP304L | 485 | 170 | 35 |
| TP316 | 515 | 205 | 35 |
| TP316L | 485 | 170 | 35 |
| TP321 |
OD < 17,1 mm - 515; OD > 17,1 mm - 485 |
OD < 17,1 mm - 205; OD > 17,1 mm - 170 |
35 |
| Steel Grade | C | Si | Mn | Cr | Ni | Mo | S | P |
|---|---|---|---|---|---|---|---|---|
| TP304 | 0,08 | 0,75 | 2 | 18 - 20 | 8 - 11 | - | 0,03 | 0,04 |
| TP304L | 0,035 | 0,75 | 2 | 18 - 20 | 8 - 13 | - | 0,03 | 0,04 |
| TP316 | 0,08 | 0,75 | 2 | 16 - 18 | 11 - 14 | 2 - 3 | 0,03 | 0,04 |
| TP316L | 0,035 | 0,75 | 2 | 16 - 18 | 10 - 15 | 2 - 3 | 0,03 | 0,04 |
| TP321 | 0,08 | 0,75 | 2 | 17 - 20 | 9 - 13 | - | 0,03 | 0,04 |
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