Siddhgiri Tubes specializes in the fabrication and distribution of a wide range of products, including Stainless Steel 321/321H Flanges. Our offerings are designed to be sustainable and tailored to meet evolving market trends. We provide 321H Flanges renowned for their excellent corrosion resistance and resistance to intergranular corrosion.
SS 321 (SWRF) Socket Weld Raised Face Flanges, SS UNS S32109 Blind Flanges (BLRF), DIN 1.4878 Ring Type Joint Flanges (RTJ), SS 321 Plate Flange, B16.48 Stainless Steel 321H Slip On Flanges (SORF), ANSI / ASME B16.5, B16.47, ASME SA182 F321H Stainless Steel Spectacle Flanges Dealers, UNS S32100 Weld Neck Flanges (WNRF) Traders, WNR No. 1.4541 Flat Flanges Distributors in Mumbai India.
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These SS 321 products are particularly known for their ability to withstand chromium carbide precipitation, making them indispensable across various industries. Our UNS S32100 Orifice Flanges, containing titanium, exhibit superior resistance to general corrosion, finding applications in oil refineries, nuclear power plants, and petrochemical industries.
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Renowned for their durability at high temperatures and exceptional formability, our Stainless Steel 321 Slip-on Flanges are highly sought after, especially in hydrocarbon processing plants and marine engineering. We offer our products with extensive customization options to meet customer-driven requirements.
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Our ASTM A182 321 Flanges come in various types, including SS 321 Weld Neck Flanges, SS 321H Slip-on Flanges, SS 321 Orifice Flanges, SS 321 Blind Flanges, SS 321H Reducing Flanges, SS 321 Ring-Type Joint Flanges, and more. At Siddhgiri Tubes, we are committed to delivering high-quality solutions that meet the diverse needs of our customers, establishing ourselves as trusted manufacturers, suppliers, stockists, and exporters in the industry.
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Specification Chart of Stainless Steel 321/321H Flanges
| Specifications | ASTM A182 / ASME SA182 |
|---|---|
| Dimension Standard | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Size | 1/2" (15 NB) to 48" (1200NB) |
| Standards | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | S32750 / S32760 / S32950 |
Chemical Composition Of Stainless Steel 321/321H Flanges
| Grade | Cr | Ni | C | Si | Mn | P | S | N | Ti | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| 321 | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
max:0.08 | max:0.75 | max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
| 321H | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
min:0.04 max:0.10 |
min:18.0 max:20.0 |
max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
Mechanical Properties Of Stainless Steel 321/321H Flanges
| Grade | Tensile Strength ksi (min.) |
Yield Strength 0.2% Offset ksi (min.) |
Elongation - % in 50 mm (min.) |
Hardness (Brinell) MAX |
|---|---|---|---|---|
| 321/321H | 75 | 30 | 40 | 217 |