Product Details:
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Certification: | ISO,BV,SGS | Type: | Round |
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Application: | Construction,decoration,Industry,Mechineal,shipbuilding | Standard: | DIN,ASTM |
Grade: | 300 Series321 | Dimensions: | 5.5mm-500mm |
Surface: | Bright,black | Technique: | Cold Drawn&hot Rolled |
Packing: | Standard Seaworthy Package | Price Term: | CIF CFR FOB Ex-Work |
High Light: | Astm Stainless Steel Round Bar Bright,180Mm Stainless Steel Round Bar,X10crniti189 Stainless Steel Round Bar |
ASTM A276 SS 321 X10CrNiTi189 Round Bar Export Bright 180 MM DIA X 3 METER LONG
Description
Type 321 is a titanium stabilized chromium nickel austenitic stainless steel with corrosion resistance similar to 304/304L. This grade is typically used in the 800-1500˚F temperature range where it is stabilized against chromium carbide precipitation by the addition of titanium, which results in the precipitation of titanium carbides. Type 321 has excellent intergranular corrosion resistance after exposure to this temperature range, and this grade resists oxidation up to 1500˚F and has higher creep and stress rupture properties than 304/304L. It also possesses good low temperature toughness and is non-magnetic in the annealed condition.
Chemical Composition
Chemical Composition (wt%) limits as specified in ASTM A240 and ASME SA240*.
Element | 321 |
Carbon | 0.08 |
Chromium | 17.0-19.0 |
Nickel | 9.0-12.0 |
Manganese | 2.00 |
Silicon | 0.75 |
Nitrogen | 0.10 |
Phosphorus | 0.045 |
Sulfur | 0.030 |
Titanium | 5(C+N) min / 0.70 max |
Mechanical Properties
Mechanical property requirements for annealed product as specified in ASTM A240 and ASME SA240.
Property | 321 |
Yield Strength, min. (ksi) | 30 |
Tensile Strength, min. (ksi) | 75 |
Elongation, min. (%) | 40 |
Hardness, max. (Rb) | 95 |
Physical Properties
Physical properties for Type 321 stainless steel
Property | 321 Data |
Density, lb/in3 | 0.286 |
Modulus of Elasticity, psi | 28.0 x 106 |
Coefficient of Thermal Expansion, 68-212˚F, /˚F | 9.2 x 10-6 |
Thermal Conductivity, Btu/ft hr ˚F | 9.3 |
Specific Heat, Btu/lb ˚F | 0.12 |
Electrical Resistivity, Microohm-in | 28.4 |
Standards
Typical standards for Type 321 stainless steel
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