We are the leading supplier and exporter of 317 / 317L stainless steel accessories. We provide 317 / 317L stainless steel fittings according to our clients' requirements and deliver quality products on time. We are a leading supplier of ASTM A403 WP 317L Pipe Fittings and 317L Stainless Steel Butt Weld Elbow. We have a full range of stainless steel pipe fittings. We are a manufacturer of 317L stainless steel butt weld fittings that are produced in a variety of specifications, styles, designs, sizes and qualities, with each fitting meeting the needs of an industry.
317 stainless steel is commonly known as UNS S31700, and is composed primarily of 18% to 20% chromium and 11% to 15% nickel. 317L is moly with austenitic stainless steel similar to 316, but with higher moly content.
Alloy 317 / 317L (UNS S31700 / S31703) is a low carbon chromium-nickel-moly austenitic austenitic stainless steel. High amounts of these components ensure the compound has predominant chloride binding and overall corrosion resistance to routine and 317 / 317L evaluations. We offer 317 / 317L stainless steel elbow, 317L stainless steel equal sleeve, concentric / eccentric reducer, cross, short end, pipe cap, pipe elbow, pipe bends, etc.
These 317 stainless steel pipe fittings widely used in various industry applications such as petroleum and chemical industry, medicine, food, sewage treatment, boiler tube and heat exchanger. It is produced by hot and cold rolling. The glossy surface is the biggest advantage and is mainly used in buildings, elevators, railings, precision equipment, etc.
317 / 317L Stainless Steel Pipe Fittings Specifications
size: 1/8 ”NB TO 48” NB
Standard: ASTM A403 / ASME SA403
Standard dimension: ASME / ANSI B16.9, ASME B16.28, MSS-SP-43
Thickness: Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Type: Seamless / Welded / Fabricated
Bend Radius: R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
317 / 317L Steel Pipe Fittings Chemical Composition
| Steel | C (%) | Mn (%) | Yes (%) | P (%) | S (%) | Mo (%) | Cr (%) | Neither (%) | Faith (%) |
| 317 | 0.08 máx | 2 máx | 1.00 máx | 0.045 máx | 0.030 min | 3.00 - 4.00 | 18.00 - 20.00 | 11.00 - 15.00 | 57,845 min |
| 317L | 0.035 máx | 2 máx | 1.00 máx | 0.045 máx | 0.030 min | 3.00 - 4.00 | 18.00 - 20.00 | 11.00 - 15.00 | 57.89 min |
mechanical properties of stainless steel fittings 317 / 317l
| Density | Scope of fusion, ℃ | Elongation% | Tensile strength (Mpa) | Yield strength (Mpa) |
| 7.9 | 1402 ℃ | 35 | 515 | 205 |
equivalent standard for 317 / 317l stainless steel butt weld fittings
| Standard | SS 317 | SS 317L |
| UNS | S31700 | S31703 |
| WERKSTOFF NR. | 1.4449 | 1.4438 |
| AFNOR | - | - |
| JIS | SUS 317 | SUS 317L |
| GOST | - | - |
| BS | - | - |
| ON | - | X2CrNiMo18-15-4 |
317L stainless steel seamless pipe fittings standard packing:
317 Stainless Steel Butt Weld Fittings Fittings are packaged to ensure no damage during transit. In the case of 317L stainless steel accessories exports, standard export packing is in wooden cases. All 317 stainless steel pipe fittings are marked with grade, batch no, size, grade, and our trademark. On special requests we can also make custom marks on our products
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