Chemical Composition
Chemical Composition (wt%) limits as specified in ASTM A240 and ASME SA240*.
TSING SHAN STEEL INDUSTRIAL LIMITED
| Payment Terms | T/T, L/C |
| Supply Ability | 500 t/M |
| Delivery Time | 15 days |
| Packaging Details | Seaworthy Package |
| Price term | CIF CFR FOB EX-WORK |
| Color | Natural Color |
| Package | Waterproof Paper + Steel Pallet |
| Surface | BA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D |
| Technique | Cold Rolled&Hot Rolled |
| Grade | 300 Series |
| Width | 1000-2000mm |
| Type | Plate |
| Standard | AISI,ASTM,JIS,DIN |
| Thickness | 0.3-120mm |
| Brand Name | POSCO |
| Model Number | 321 S32168 |
| Certification | ISO, CE, BV SGS MTC |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 500 t/M |
| Delivery Time | 15 days | Packaging Details | Seaworthy Package |
| Price term | CIF CFR FOB EX-WORK | Color | Natural Color |
| Package | Waterproof Paper + Steel Pallet | Surface | BA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D |
| Technique | Cold Rolled&Hot Rolled | Grade | 300 Series |
| Width | 1000-2000mm | Type | Plate |
| Standard | AISI,ASTM,JIS,DIN | Thickness | 0.3-120mm |
| Brand Name | POSCO | Model Number | 321 S32168 |
| Certification | ISO, CE, BV SGS MTC | Place of Origin | China |
| High Light | hairline 304 Stainless Steel Sheet Panel ，2mm 304 Stainless Steel Sheet ，2b 304 Stainless Steel Sheet | ||
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 |
Product application
1, structural steel: construction and engineering structural steel referred to as construction steel, used in buildings, Bridges, ships, boilers or other projects to make metal structural parts of steel.
2, tool steel: generally used in the manufacture of various tools, such as carbon tool steel, alloy tool steel, high-speed tool steel, etc.
3, special steel: steel with special properties, such as rust acid-resistant steel, heat resistant steel, magnetic steel, etc.
4, professional steel: refers to the industrial sector of professional use of steel, such as automotive steel, agricultural machinery steel, aviation steel, electrical steel, etc.
| Surface Finish | Definition | Application |
| 2B | Those finished, after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster. | Medical equipment, Food industry, Construction material, Kitchen utensils. |
| BA | Those processed with bright heat treatment after cold rolling. | Kitchen utensils, Electric equipment, Building construction. |
| NO.3 | Those finished by polishing with No.100 to No.120 abrasives specified in JIS R6001. | Kitchen utensils, Building construction. |
| NO.4 | Those finished by polishing with No.150 to No.180 abrasives specified in JIS R6001. | Kitchen utensils, Building construction, Medical equipment. |
| HL | Those finished polishing so as to give continuous polishing streaks by using abrasive of suitable grain size. | Building construction |
| NO.1 | The surface finished by heat treatment and pickling or processes corresponding there to after hot rolling. | Chemical tank, pipe. |
Company Details
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
500,000,000-800,000,000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Company Overview ： The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation. The subordinate processing plant has 6 sets of medium frequency h... Company Overview ： The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation. The subordinate processing plant has 6 sets of medium frequency h...
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