ASME B16.5 / ANSI B16.47 150# & 300#
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Taurus Piping Solutions (TPS) is a notable manufacturer and exporter of Stainless Steel 904L Backing Ring Flanges manufactured in accordance with globally accepted quality standards. We manufacture these SS 904L Sorf Backing Ring Flanges using superior quality raw material procured from certified supplier and latest technology equipment. We produce these in various standard sizes, specifications, dimensions, types, pressure class, etc. and also in customized configuration as per the demands of our esteemed customer’s at the most affordable price.
A Stainless Steel 904L Backup Ring is a drilled, flat collar which is used to bolt a flange to another flange. The BS4504 PN10 and PN16 Backup Ring may be made from various metallic materials, but the dimensions of the drilling of the ring, unless a custom made one, should conform to set flange tables (Check below backup flange dimensions PDF).
Our SS 904L Flange Backing Ring provide a cost effective solution for superior protection against highly corrosive applications. Stainless Steel UNS N08904 Backing Ring Flanges are used in various industries like Food processing equipment, Kitchen equipment and appliances, Architectural paneling, Chemical and Petrochemical Industries, Heat Exchangers, Paper and Pulp Industry, etc.
Being client-centric enterprises, we conduct thorough checking of these SS 904L SOFF Backing Ring Flanges on various quality measures in order to ensure flawless products are supplied to our clients. We also provide various test certificate and documents along with our 904L SS Backing Ring Flanges. We at Taurus Piping Solutions are the leading 904L Stainless Steel Backing Ring Flanges Exporter in various regions like Australia, New Zealand, Dubai, Abu Dhabi, Oman, Saudi Arabia, South Africa, Canada, Qatar, Bahrain, USA, etc.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
|---|---|---|---|---|---|---|---|---|---|
| SS 904L | 0.020 max | 2.00 max | 1.00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5.00 max | 23.00 – 28.00 | 1.00 – 2.00 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
Commercial Invoice including HS Code
Packing List including Complete Details
Certificate of Origin legalized
Material Traceability Records
Quality Assurance Plan (QAP)
Heat Treatment Charts
Material Test Certificates (MTC)
NABL approved Laboratory Test Reports
Other Types Of SS 904L Soff Backing Ring Flanges
SS 904L Backing Ring FlangeASTM A182 SS 904L Backing Ring FlangesASME B16.47 Grade 904L Backup FlangeStainless Steel BS 4504 Backing Ring FlangesEN X1NiCrMoCu25-20-5 Backup RingASME SA182 SS 904L Back Up Flanges
SS 904L B16.5 Sorf Ring FlangeDIN 1.4539 Backup Ring FlangeUNS N08904 Backing Ring FlangesBS 904S13 Stub Flange and Backing RingKS STS 317J5L BRFAS/NZS 4087 PN16 Backing Ring Flanges