Specification of Stainless Steel Flange
NPS | Pressure Rating | Material | Standard | Flange Face | |||
DN15-DN3000 1/2"-120" | Class150- Class2500, PN10 - PN160 | Stainless steel | Duplex Steel | Alloy steel: | ASTM B16.5, ASTM B16.47, MSS SP44, EN1092-1, ASTM A182, JIS B2220, BS 4504, SABS/SANS1123, AWWA C207 | Ring Type Joint (RTJ), Flat Face (FF), Raised Face (RF) | |
31254, 904/L 347/H, 317/L 310S, 309 316Ti, 321/H 304/L, 304H 316/L, 316H | UNS S31803, S32205, S32750, S32760 | N04400, N08800 N08810, N08811 N08825, N08020 N08031, N06600 N06625, N08926 N08031, N10276 | |||||
Other requirements as per customers' design and drawings. |
Manufacturing Processing
The manufacturing process of stainless steel flanges includes the following steps:
Type of packaging
– Wooden box for small diameter flanges
– Iron frame for large diameter flanges
Mill Test Certificate of Stainless Steel Blind Flange
Our Mill Test Certificate includes:
- Chemical composition
- Product description
- Hardness
- Yield strength
- Tensile strength
- Elongation
- Mechanical properties
- Dimensional and visual examination.