Stainless Steel A403 WP310S 90 Degree Elbow
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A403 WP 310S Stainless Steel Pipe Fitting 90 Degree Elbow ASTM A403 is a balanced austenitic chromium steel containing columbium which takes into consideration the end of carbide precipitation and thus intergranular corrosion. ASTM A403
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ASTM A403 is a balanced, austenitic, chromium steel containing columbium which takes into consideration the end of carbide precipitation, and thus intergranular corrosion.
ASTM A403 is balanced out by the increases of chromium and tantalum and offers higher creep and stress rupture properties than A304 and A304L, which may also be utilized for exposures where sensitization and intergranular corrosion are of concern.The expansion of columbium likewise permits ASTM A403 to have outstanding corrosion resistance, better than that of A321. ASTM A403H is the higher carbon composition form of ASTM A403 and display enhanced high temperature and creep properties.
The 310 SS Weld Fittings could be welded and are stronger than the threaded fittings. The ASTM A403 WP310S Fittings have a wide range of applications such as the A403 WP310S Elbow which is used to change the direction of a fluid flow. The ASTM A403 gr WP310S can be produced in forged condition. The A403 WP310S material allows the 310S Pipe Fittings to be produced either welded or seamless in nature. The A403 Grade WP310S Buttweld Fittings are stronger due to their weld before the heat treatment.
ASTM A403 WP310S Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 310 | 0.015 max | 2.0 max | 0.15 max | 0.020 max | 0.015 max | 24.00 – 26.00 | 0.10 max | 19.00 – 21.00 | 54.7 min |
| SS 310S | 0.08 max | 2.0 max | 1.00 max | 0.045 max | 0.030 max | 24.00 – 26.00 | 0.75 max | 19.00 – 21.00 | 53.095 min |
| SS 310H | 0.04 – 0.10 | 2.0 max | 1.00 max | 0.045 max | 0.030 max | 24.00 – 26.00 | – | 19.00 – 21.00 | 53.885 min |
