ASTM Cold Rolled Stainless Steel Sheet , 4x8 2B BA Finish 321 Stainless Steel Plate
Cold rolled 321 stainless steel sheet metal 4x8 2b BA finish
Product Description
- Item: Stainless Steel Sheet
- Standard: ASTM A240,ASTM A480,ASTM A167,ASTM A176
- Material: 201,202,301,304,304L,304N,XM21,304LN,305,309S,310S,316,316Ti,316L,316N,316LN,317,317L,321,347,329,405,409,430,434,444,403,410,420,440A,etc.
- Specifications:
- Thickness: 0.01-200mm
- Width: 1m,1.22m,1.5m and 1.8m.
- Length: 2m,2.44m,5.8m,6m.
- Surface: No.1, 2B, BA, NO.4, 8K mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc.
What is 321 stainless steel?
When the temperature reaches 800-1500 ° F (427-816 ° C) and chromium carbide precipitates, it can still maintain good resistance to intergranular corrosion. Due to the addition of titanium to the composition, 321 alloy can still maintain stability in the case of chromium carbide formation.
Due to its excellent mechanical properties, 321 alloy stainless steel has advantages in working in high temperature environments. Compared with 304 alloy, 321 alloy stainless steel has better ductility and resistance to stress fracture.
Composition
Table 1.Composition ranges for 321 grade stainless steel
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
| 321 |
min. max |
- 0.08 |
2.00 | 0.75 | 0.045 | 0.030 |
17.0 19.0 |
- |
9.0 12.0 |
0.10 |
Ti=5(C+N) 0.70 |
Mechanical Properties
Table 2.Mechanical properties of 321 grade stainless steel
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 205 | 40 | 95 | 217 |
Physical Properties
Table 3.Physical properties of 321 grade stainless steel in the annealed condition
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | 500 | 720 |
Applications
Typical applications include:
• Aircraft exhaust manifolds
• Expansion joints
• Bellows
• Furnace parts
• Heating element tubing
• Heat Exchangers
• Woven or welded screens for high temperature mineral processing
• Spiral Welded tube for burner pipes and flues
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