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We are a known specialist, dealer and exporter of SS 321/321H Square Bars, which is settled against chromium carbide course of action by the extension of titanium. This extension in Stainless Steel 321 Square Bars is made to diminish or abstain from chromium carbide precipitation - coming about on account of welding or introduction to high temperatures. Stainless Steel 321H Square Bars are used considering the way that they are not unstable to between granular disintegration consequent to warming inside the carbide precipitation extent of 425°C - 850°C.
SS 321 Square Bars is moreover good for high temperature organization in perspective on its extraordinary mechanical properties. SS 321H Square Bars resembles SS 304 Square Bars yet with a titanium development of at any rate on different occasions the carbon content. Since titanium in Alloy 321 Square Bars has a more grounded proclivity for carbon than chromium, titanium carbide quickens inside the grains instead of forming at as far as possible.
Alloy 321H Square Bars moreover improves the raised temperature properties of the amalgam. Our 321 Stainless Steel Square Bars is a glow safe assessment gave into different industry parts. Depicted by high disintegration impediment when in doubt air damaging circumstances, these 321H Stainless Steel Square Bars shows astonishing insurance from most oxidizing authorities, sanitizing courses of action, general staples, dyestuffs, most regular manufactured blends notwithstanding a wide grouping of inorganic engineered substances, in like manner steam consuming gases, hot oil gases, nitric destructive, and to a lesser degree sulfuric destructive.
Stainless Steel 321/321H Square Bar Specification
Stainless Steel 321/321H Square Bars Specification :
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Size : Tolerance: H8, H9, H10, H11, H12, H13K9, K10, K11, K12
Equivalent Grades of SS 321/321H Square Bar
| STANDARD | WERKSTOFF NR. | UNS |
| SS 321 | 1.4541 | S32100 |
| SS 321H | 1.4438 | S32109 |
Stainless Steel 321/321H Square Bar Chemical Composition
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 321 | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| SS 321H | 0.04 – 0.10 | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
Mechanical Properties of SS 321/321H Square Bar
| Element | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 321/321H | 515 Min | 205 Min | 45% Min |
Application
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
