Siddhgiri Tubes is one of the renowned names in the market. We are manufacturer, exporter, supplier of Stainless Steel 321/321H Round Bars.
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Siddhgiri Tubes supplies 321 stainless steel round bar by performing various tests to ensure product quality according to international quality standards.
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We have production and quality experts who supervise each product at all stages of the production process. Our quality specialists examine the physical, mechanical, and chemical parameters.
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We offer 321 stainless steel bar with excellent features such as sturdy constructions, easy installation, excellent corrosion resistance, superior surface finish, low maintenance, and long-lasting working life.
Specification Chart of Stainless Steel 321/321H Round Bars
| Specifications | ASTM A276 / A479, ASME SA276 / A479 |
|---|---|
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Diameter | 6mm to 350mm Diameter |
| Thickness | 0.5mm to 500mm Diameter |
| Length | 100 to 6000mm Length |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
Chemical Composition Of Stainless Steel 321/321H Round Bars
| % | 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 Round Bars
| 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 |