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Silver Tubes is a production hub of Stainless Steel 321 / 321H Forged Fittings, which discovers its most prominent application in territories of high temperatures and pressures joined with high speed and ruinous turbulence. 321 Forged Socket Weld Fittings are totally dissolvable in each other, offering ascend to a scope of alloys that incorporates both copper-nickel (Cu-Ni) and nickel-copper alloys. 321 Forged Threaded Fittings is the stronger of the two with yield strength in the toughened state of the lower nickel alloy. The minor iron content, up to 0.5%, offers 321H Forged Socket Weld Fittings an uncommon protection from generally all-consumption and SCC, making it extremely appropriate and ideal for the mechanical or marine enterprises. 321H Forged Threaded Fittings however is likely the most utilized grade as it is more affordable than the higher nickel alloy.
SS 321 Forged Fittings are single stage and can't be solidified by heat treatment. The main technique for expanding elasticity of SS 321H Forged Fittings is by cold working which, when the metal is in the complete hard condition, can match that of good quality carbon steel. Work solidifying in Alloy 321 Forged Fittings with respect to welding in that there will be some strength loss in the HAZs. The narrow and low strength region in Alloy 321H Forged Fittings can cause issues amid welding technique qualification testing of transverse bend coupons, the vast majority of the distortion being moved in the narrow area of strength loss.
| Specifications | ASTM A182 / ASME SA182 |
| Dimensions | ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799 |
| Size | 1/8" NB to 4" NB |
| Type | Socketweld Fittings, Screwed-Threaded Fittings (NPT or PT Type) |
| Rating Pressure | Threaded End - 2000 /3000/ 6000 LBS. Socket-weld End - 3000 / 6000/ 9000 LBS. |
| STANDARD | UNS | WERKSTOFF NR. | EN | JIS |
| SS 321 | S32100 | 1.4541 | X6CrNiTi18-10 | SUS 321 |
| SS 321H | S32109 | 1.4878 | X12CrNiTi18-9 | SUS 321H |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) – 0.70 max |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | |||
| Psi – 75000, MPa – 515 | Psi – 30000, MPa – 205 | 35 % | 95 | 217 |
321/321H SS Forged Socket weld and Threaded Unions, UNS S32100 Stainless Steel Forged Boss, SS DIN 1.4541 Socket weld Unequal Tee, ASME SA182 Forged Steel 321/321H Equal Cross, SS 321/321H Full Coupling, SS 321/321H Square Head Plug, ASTM A182 Stainless Steel 321H Socket weld 45 Degree Elbow, SS 321H Forged Pipe Nipple, SS 321 Forged 90 Deg Elbow, Screwed Stainless Steel 321/321H Barrel Nipple, Stainless Steel S32109 Street Elbows, ASME B16.11 SS 321/321H Hex Plug, Stainless Steel 321 Forged End Cap Supplier, Forged Stainless Steel DIN 1.4878 Threaded Bushing, Stainless Steel 321/321H Forged Pipe Cap Exporter in India, Forged SS 321/321H Threaded Reducing Tee
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