ASTM A312 TP316/ TP316L seamless straight pipe
GNEE Group offers ASTM A312 TP316/ TP316L seamless straight pipe in a variety of forms, including:
Bars
Wires
Sheets
Forgings
Tubes
Flanges
Seamless and Welded Tubes
Welding Rods
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of astm a312 tp316/ tp316l seamless straight pipe in China. If you're going to wholesale high quality astm a312 tp316/ tp316l seamless straight pipe made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
ASTM A312 TP316/ TP316L Pipes introduce
Seamless pipes made of ASTM A312 TP316/ TP316L shall be made by a process that does not involve welding at any stage of production; welded pipes shall be manufactured using an automatic welding process with no addition of filler metal during the welding process. The TP316/ TP316L pipe shall be heat treated by solution treatment, in which the pipe shall be heated and held for long enough period at a temperature no less than 1900°F [1040°C] so that all chromium carbides can be fully austenitized/ dissolved. Subsequent water cooling or rapid cooling by other means shall be conducted to ensure no precipitation of carbides at grain boundaries. Moreover, TP316L is less likely to precipitate chromium carbides compared to TP316 since their carbon content is low enough to reduce precipitation of intergranular carbides. This may result in limited sensitization hence benefit welding, flame cutting, and other hot-working operations.
Standard Specification Of ASTM A240 Type 316 Tube
| Specifications | ASTM A240 / ASME SA240 | ||||||
| Thickness | 0.5mm-100mm | ||||||
| Outer diameter | 10mm, 25.4mm, 38.1mm, 50.8mm, 100mm, 250mm, 300mm, 350mm, etc | ||||||
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc | ||||||
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc | ||||||
| Finish | Hot rolled (HR), Cold rolled Tube (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) | ||||||
| Form | Round tube Square tube Rectangular tube etc. | ||||||
316 Ruond Tube Composition and Mechanical Characteristics
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316L | Min. Max. |
/ 0.03 |
/ 2.0 |
/ 1.0 |
/ 0.045 |
/ 0.030 |
16.00 18.00 |
2.0 3.0 | 12.00 15.00 |
/ |
| 316 | Min. Max. |
/ 0.03 |
/ 2.0 |
/ 1.0 |
/ 0.045 |
/ 0.030 |
16.00 17.00 |
2.0 3.0 | 11.00 14.00 |
/ |
| 317 | Min. Max. |
/ 0.08 |
/ 2.0 |
/ 1.0 |
/ 0.035 |
/ 0.030 |
18.00 10.00 |
3.0 4.0 | 11.00 15.00 |
/ |
Sizes, Dimensions & Tolerances
| NPS | *t/D | Tolerance, % from Nominal | |
|---|---|---|---|
| 1/8"~2.5" | All | +20.0 | -12.5 |
| 3"~18" | ≤5% | +22.5 | -12.5 |
| 3"~18" | >5% | +15.0 | -12.5 |
| ≥20" Wld. |
All | +17.5 | -12.5 |
| ≥20" smls |
≤5% | +22.5 | -12.5 |
| ≥20" smls |
>5% | +15.0 | -12.5 |
| Grade | Tensile Strength (MPa) |
Yield Strength 0.2% Proof (MPa) |
Elongation (% in 50mm) |
Hardness | |
| Rockwell B (HR B) |
Brinell (HB) |
||||
| 316 | 515 | 205 | 40 | 92 | 201 |
| 316L | 515 | 205 | 40 | 90 | 187 |
| 317 | 520 | 205 | 35 | 90 | 187 |
*t: nominal wall thickness; D: ordered outside diameter.
ASTM A312 TP316/ TP316L seamless pipes are generally furnished in sizes 1/2″ through 24″, while ASTM A312 TP316/ TP316L welded pipes are available from 1-1/2″ through 48″. The wall thicknesses shall be furnished in accordance with ASME B36.10M or ASME B36.19M. The pipes are usually supplied in lengths of 6.096 m (20′), 12.19 m (40′), 6 m, and 12 m, etc. No pipe shall be under the specified length and no pipe shall be more than 0.25″ [6 mm] over the specified length.
Equivalent Material of 316 Stainless Steel Tube
| Grade | UNS No. | Old British | Euronorm | China GB | Japanese JIS | ||
| BS | EN | No. | Name | ||||
| 316L | S31600 | 316LS15 | 58E | 1.4408 | X5CrNi18-10 | 0Cr17Ni14 | SUS316L |
| 316 | S31603 | 316S12 | – | 1.4401 | X2CrNiN18-9 | 0Cr18Ni9 | SUS316 |
GNEE Group Product Packaging
FAQ
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