Stainless Steel 904L Forged Fittings Specifications
Grade | Stainless Steel 904L(UNS N08904) |
Standard | ASTM A182 / ASME SA182 |
Specification | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
Size | ½” NB – 4” NB |
Pressure | 2000LBS, 3000LBS, 6000LBS, 9000LBS, etc. |
Type | Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT, Threaded Fitting |
Types of Forged Fittings
Stainless Steel Socket Weld Caps | Stainless Steel Socket Weld Tee | Stainless Steel Socket Weld Unions |
Stainless Steel Couplings | Stainless Steel Forged Reducers | Stainless Steel Socket Weld Cross |
Stainless Steel Socket Weld 90° Elbows | Stainless Steel Socket Weld Full Coupling | Stainless Steel Socket Weld Half Coupling |
Stainless Steel Socket Weld 45° Elbows | Stainless Steel Socket Weld Reducing Coupling | Stainless Steel Screwed Unions |
Stainless Steel Screwed 45° Elbows | Stainless Steel Screwed 90° Elbows | Stainless Steel Screwed Tee |
Stainless Steel Screwed Cross | Stainless Steel Screwed Hex Plug | Stainless Steel Screwed Squared Plug |
Stainless Steel Screwed Hex Nipple | Stainless Steel Screwed Bushing | Stainless Steel Screwed Full Coupling |
Stainless Steel Screwed Half Couplings | Stainless Steel Screwed Reducing Couplings | Stainless Steel Screwed Caps |
Stainless Steel Weldolet | Stainless Steel Sockolet | Stainless Steel Threadolet |
Stainless Steel Elbolet | Stainless Steel Nipolet | Stainless Steel Latrolet |
Stainless Steel Concentric Swage Nipple | Stainless Steel Eccentric Swage Nipple | Stainless Steel Forged Pipe Nipple |
Chemical Compositions of Stainless Steel 904L Forged Fittings
C | Cr | Cu | Mn | Mo | Ni | P | S |
---|---|---|---|---|---|---|---|
Max | Max | Max | Max | ||||
0.02 | 19.0-23.0 | 2.0 | 4.0-5.0 | 23.0-28.0 | 0.045 | 0.035 | 1.0 |
Mechanical Properties of Stainless Steel 904L Forged Fittings
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
---|---|---|---|---|---|
Rockwell B (HR B) | Brinell (HB) | ||||
904L | 490 | 220 | 36 | 70-90 typical | 150 |
Physical Properties of Stainless Steel 904L Forged Fittings
Grade | Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
|||
---|---|---|---|---|---|---|---|---|---|
0-100°C | 0-315°C | 0-538°C | At 20°C | At 500°C | |||||
904L | 7900 | 190 | 15 | - | - | 11.5 | - | 500 | 952 |
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