Spezilla Tube Co., Ltd. (Shanghai)
Spezilla Tube Co., Ltd. Excellence in Stainless Steel Tubing
Add to Cart
12000MM Length Schedule 40 Stainless Steel Pipe , Welding Thin welded steel pipe
Descriptions:
ASTM A-778 Welded Stainless Steel Pipe
Grades: 304L and 316L
Sizes:
3” - 36” Sch5S and Sch10S
6” - 12” NPS Gauge Pipe
ASTM A-312 Welded Stainless Steel Pipe
Grades: 304/304L and 316/316L Dual Certified
Sizes:
2” - 24” Sch5S, Sch10S and Sch40S
8” - 12” .250 nominal (Sch20)
14” - 20” .250 nominal (Sch10)
2” - 12” Sch10S (minimum wall)
2” - 8” Sch40S (minimum wall)
Specifications:
| Trade Name | Grade | UNS # | Welded Pipe (without Filler Metal) | Welded Pipe (with Filler Metal) |
| 304 | TP304 | S30400 | A312 / SA312 | A358 / SA358 |
| 304L | TP304L | S30403 | A312 / SA312 | A358 / SA358 |
| 304H | TP304H | S30409 | A312 / SA312 | A358 / SA358 |
| | | | | |
| 316 | TP316 | S31600 | A312 / SA312 | A358 / SA358 |
| 316L | TP316L | S31603 | A312 / SA312 | A358 / SA358 |
| 316H | TP316H | S31609 | A312 / SA312 | A358 / SA358 |
| | | | | |
| 321 | TP321 | S32100 | A312 / SA312 | A358 / SA358 |
| 321H | TP321H | S32109 | A312 / SA312 | A358 / SA358 |
| | | | | |
| 347 | TP347 | S34700 | A312 / SA312 | A358 / SA358 |
| 347H | TP347H | S34709 | A312 / SA312 | A358 / SA358 |
| | | | | |
| 317L | TP317L | S31703 | A312 / SA312 | A358 / SA358 |
Welded Stainless Steel Pipe Tolerances:
| NPS Designator | Permissible Variations in Outside Diameter | |
|---|---|---|
| Over In. | Under In. | |
| 1/8 to 1-1/2, incl | 1/64 (0.015) | 1/32 (0.031) |
| Over 1-1/2 to 4, incl | 1/32 (0.031) | 1/32 (0.031) |
| Over 4 to 8, incl | 1/16 (0.062) | 1/32 (0.031) |
| Over 8 to 18, incl | 3/23 (0.093) | 1/32 (0.031) |
NPS Designator | Outside Diameter in. | Schedule 5S in. | Schedule 10S in. | Schedule 40S in. | Schedule 80S in. |
|---|---|---|---|---|---|
| 1/4 | 0.540 | 0.065 | 0.088 | 0.119 | |
| 3/8 | 0.675 | 0.065 | 0.091 | 0.126 | |
| 1/2 | 0.840 | 0.065 | 0.083 | 0.109 | 0.147 |
| 3/4 | 1.050 | 0.065 | 0.083 | 0.113 | 0.154 |
| 1.0 | 1.315 | 0.065 | 0.109 | 0.133 | 0.179 |
| 1 1/4 | 1.660 | 0.065 | 0.109 | 0.140 | 0.191 |
| 1 1/2 | 1.900 | 0.065 | 0.109 | 0.145 | 0.200 |
| 2 | 2.375 | 0.065 | 0.109 | 0.154 | 0.218 |
| 2 1/2 | 2.875 | 0.083 | 0.120 | 0.203 | 0.276 |
| 3 | 3.500 | 0.083 | 0.120 | 0.216 | 0.300 |
| 3 1/2 | 4.000 | 0.083 | 0.120 | 0.226 | 0.318 |
| 4 | 4.500 | 0.083 | 0.120 | 0.237 | 0.337 |
| 5 | 5.563 | 0.109 | 0.134 | 0.258 | 0.375 |
| 6 | 6.625 | 0.109 | 0.134 | 0.280 | 0.432 |
| 8 | 8.625 | 0.109 | 0.148 | 0.322 | 0.500 |
| 10 | 10.750 | 0.134 | 0.165 | 0.365 | 0.500 |
| 12 | 12.750 | 0.156 | 0.180 | 0.375 | 0.500 |
