| Materials: | WP347H-S | Size: | 1/8’NB TO 48’NB IN |
|---|---|---|---|
| Specification: | ASTM A403 | Dimension Standard: | ASME B16.9 |
| O.D.: | 1/8”NB To 48”NB | W.T.: | Schedule 10s – Schedule XXS |
ASTM A403 WP347H-S Elbow Butt Weld Fittings B16.9 For Oil Gas Heat Exchanger
Overwiew
A403 347H stainless steel covers the standard for austenitic stainless steel forgings for pressure piping applications. Materials for fittings shall include stainless steel forgings， stainless steel bar， stainless steel plate， or seamless or welded stainless steel pipe fitting products. Stainless steel forgings or forming operations shall be accomplished by hammering， pressing， piercing， extruding， upsetting， rolling， bending， fusion welding， machining， or by a combination of two or more operations.
All ASTM A403 WP347H stainless steel pipe fittings shall be heat treated. Chemical and product analysis shall be performed and shall conform to the chemical composition requirements for carbon， manganese， phosphorus， sulfur， silicon， chromium， molybdenum and titanium.
Chemical Composition of ASTM A 403 WP347H-S ELBOW
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 min |
| SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 8xC – 1.10 | 9.0 -13.0 | 63.72 min |
Mechanical Properties of ASTM A403 WP347H-S ELBOW
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 ， MPa – 515 | Psi – 30000 ， MPa – 205 | 35 % |
Application
Oil & Gas Industry
Heat Exchangers
Condensers
Nuclear Plants
Boilers
