Skytech Metal is a known trader, distributor and exporter of SS 321 / 321H Hex Bars, which is non-magnetic in nature. Stainless Steel 321 Hex Bars is the grade of choice for applications in the temperature range of up to about 900°C, combining high strength, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion. While Stainless Steel 321H Hex Bars continues to be employed for prolonged service in the 800°F to 1500°F (427°C to 816°C) temperature range, Stainless Steel 304L Hex Bars has supplanted this stabilized grade for applications involving only welding or short time heating. SS 321 Hex Bars offers higher creep and stress rupture properties than SS 304 Hex Bars and, particularly, SS 304L Hex Bars, which might also be considered for exposures where sensitization and inter-granular corrosion are concerns. In order to provide optimum resistance to inter-granular corrosion in SS 321H Hex Bars and to polythionic acid stress corrosion cracking in service temperatures at 1500°F - 1650°F, an air cool may be used.
Alloy 321 Hex Bars has extensive use in aircraft parts, such as exhaust systems where operating temperatures are higher than 800°F. Alloy 321H Hex Bars provides excellent resistance to oxidation and corrosion and possesses good creep strength. The key property of 321 Stainless Steel Hex Bars is the added titanium content stabilizing the material and making its resistance to carbide precipitation when exposed to high temperatures and resistance to oxidation its main characteristics.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
|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.|
|Element||Density||Melting Range,℃||Tensile Strength||Yield Strength||Elongation||Hardness (Brinell)|
|SS 321/321H||7.92||1398 - 1446||515||205||40||217|
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