High Vacuum Stainless Steel Neck Weld Flange 316L Nipple Fitting
Stainless Steel High Vacuum Flange & Components Stainless Steel Neck Weld Flange Nipple Fitting
How can we service our customers?
Our ISO9001 Quality System is issued by TUV. Our full and professional inspection reports contain two parts, one is self-inspection of the requirements beyond ISO9001, which is 100% inspected by our own QC; another is 100% inspected by professional QC teams.
What materials can we provide?
Austenitic: 304/L/H/N,316/L/H/N/Ti,321/H,309/H,310S,347/H,317/L904L
Duplex steel: 31803,32205,32750,32760
Nickel Alloy:
UNS N10001, N10665, N10675, N06455, N06022, N10276, N06200, N06035, N06030, N06635, N10003, N06002, R30188, N06230, R30556
UNS N06600, N06601, N06617, N06625, N07718, N07750, N08800, N08810, N08811, N08825, N09925, N08926
Monel: UNS N04400, N05500
Precipitation-hardening Steels: 254SMO/S31254, 17-4PH, 17-7PH, 15-7PH
Nickel: N4/UNS N02201, N6/UNS N02200
Standard References
Our products are produced strictly based on the national standards GBT12459-05, GB13401-05; Sinopec standards SH3408, SH3409;Thermal power standard D-GD87; American national standards ASME B16.9, ANSI B16.9, B16.28, B16.11 and Japan national standard JISB2312.
| No | Chemical Composotion % | ||||||||||
| C | Cr | Ni | Mn | P | S | Mo | Si | Cu | N | Other | |
| 310S | ≤0.08 | 24.00-26.00 | 19.00-22.00 | ≤2.00 | ≤0.035 | ≤0.030 | - | ≤1.00 | - | - | - |
| 316 | ≤0.08 | 16.00-18.50 | 10.00-14.00 | ≤2.00 | ≤0.035 | ≤0.030 | 2.00-3.00 | ≤1.00 | - | - | - |
| ≤0.12 | 16.00-19.00 | 11.00-14.00 | ≤2.00 | ≤0.035 | ≤0.030 | 1.80-2.50 | ≤1.00 | - | - | Ti5(C%-0.02)~0.08 | |
| ≤0.08 | 16.00-19.00 | 11.00-14.00 | ≤2.00 | ≤0.035 | ≤0.030 | 1.80-2.50 | ≤1.00 | - | - | Ti5*C%-0.70 | |
| 316L | ≤0.030 | 16.00-18.00 | 12.00-15.00 | ≤2.00 | ≤0.035 | ≤0.030 | 2.00-3.00 | ≤1.00 | - | - | - |
| 316N | ≤0.08 | 16.00-18.00 | 10.00-14.00 | ≤2.00 | ≤0.035 | ≤0.030 | 2.00-3.00 | ≤1.00 | - | 0.10-0.22 | - |
| 316N | ≤0.030 | 16.00-18.50 | 10.50-14.50 | ≤2.00 | ≤0.035 | ≤0.030 | 2.00-3.00 | ≤1.00 | - | 0.12-0.22 | - |
| 316J1 | ≤0.08 | 17.00-19.00 | 10.00-14.50 | ≤2.00 | ≤0.035 | ≤0.030 | 1.20-2.75 | ≤1.00 | 1.00-2.50 | - | - |
| 316J1L | ≤0.030 | 17.00-19.00 | 12.00-16.00 | ≤2.00 | ≤0.035 | ≤0.030 | 1.20-2.75 | ≤1.00 | 1.00-2.50 | - | - |
| 420J1 | 0.16-0.25 | 12.00-14.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | - | ≤1.00 | - | - | - |
Some Products Show
All our products are packed, stored, transported according to the international regulation.The tubes are wrapped with anti-rust paper and steel rings to prevent damage. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement.Plus, ply wooden box are available for special protection. Other kinds of packing can be offered if request.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.