A632 TP348 Welded Pipe
TP348 is a stainless steel suitable for the nuclear power industry and has certain restrictions on the combined amount of tantalum and cobalt.
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Products Description
Specification A632 covers grades of stainless steel pipe intended for general corrosion-resistant, low-temperature, or high-temperature service. A632 is a general-purpose austenitic stainless steel small-diameter seamless and welded steel pipe. These steel pipes must be cold-processed products and must be made using seamless or welding processes.
| Specifications | ASTM A632/ ASME SA632 |
| Grades | 304,304l,310,316,316l,317,321,347,348 |
| O.D. | 12.7 – 102 MM |
| Wall Thickness | 0.5 – 5 MM |
| Length | Straight Length up to 30 meters |
| Schedule | SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS. |
| Welding Method | TIG or TIG + Plasma or Laser |
| Finish | 2B MIll Finish, No.4 finish, BA Finish, 400 Grit Finish, 550 Grit Finish, 600 Grit Finish |
| Types | Round, Square, Rectangle, Coil, "U" Shape, Hydraulic & Honed Tubes |
Chemical Composition of TP348 Stainless Steel Welded Pipe
| Element | Content (%) |
|---|---|
| Iron, Fe | 66 |
| Chromium, Cr | 19 |
| Nickel, Ni | 11 |
| Manganese, Mn | 2.0 |
| Silicon, Si | 1.0 |
| Nb + Ta | 0.8 |
| Cobalt, Co | 0.2 |
| Tantalum, Ta | 0.1 |
| Carbon, C | 0.080 |
| Phosphorous, P | 0.045 |
| Sulfur, S | 0.030 |
Mechanical Properties of A632 TP348 Welded Steel Pipe
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 655 MPa | 95000 psi |
| Yield strength (@ strain 0.200%) | 275 MPa | 39900 psi |
| Izod impact | 120 - 160 J | 88.5 - 118 ft-lb |
| Charpy impact | 160 J | 118 ft-lb |
| Shear modulus (typical for steel) | 77.0 GPa | 11200 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 45% | 45% |
| Hardness, Brinell (converted from Rockwell B hardness) | 147 | 147 |
| Hardness, Knoop (converted from Rockwell B hardness) | 164 | 164 |
| Hardness, Rockwell B | 85 | 85 |
| Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
TP348 Welded Stainless Steel Pipe
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GNEE Group is a famous ASTM A269 stainless steel pipe distributor and exporter in China, with more than 8,000 customers around the world. We are capable of supplying ASTM A269 TP 304/316L stainless steel pipes and tubes to our customers with the best quality and lowest prices in the industry, we offer sizes ranging from 1/8" to 8" and thickness up to 8 mm.
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