321 Stainless Steel Coil Description
321 stainless steel coil is a titanium-stabilized austenitic alloy known for its excellent resistance to high-temperature oxidation and intergranular corrosion. The addition of titanium prevents carbide precipitation, making it ideal for applications that involve elevated temperatures, such as in the aerospace, chemical, and power generation industries. This alloy offers outstanding strength, durability, and resistance to scaling, ensuring long-term performance in extreme environments. 321 stainless steel coil also provides excellent weldability, formability, and resistance to oxidation at high temperatures. Its combination of properties makes it a top choice for applications requiring both high strength and resistance to thermal degradation.
Product Parameters
| Product Name | 321 Stainless Steel Coil |
| Type | Steel Coil |
| Thickness | 2.5mm-10.0mm |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc. |
| Width | 610mm-2000mm |
| Standard | ASTM, AISI, JIS, GB, DIN, EN, etc. |
| Surface | BA, 2B, NO.1, NO.4, 4K, HL, 8K, etc. |
| Scope of Application | Widely used in high temperature and electrical industry, medical equipment construction, chemical, food industry, agriculture and ship parts, food and beverage packaging,
Kitchen supplies, trains, airplanes, conveyor belts, vehicles, bolts, nuts, springs and screens, etc. |
| Certificate | ISO, SGS, BV, etc. |
| Production Technology | Hot Rolling, Cold Rolling |
| Edge Processing | Edging, Trimming |
Chemical Composition
| C | Si | Mn | Cr | Ni | S | P |
| ≤ 0.08 | ≤ 0.75 | ≤ 2.0 | 17.0～19.0 | 9.0～12.0 | ≤ 0.03 | ≤ 0.045 |
Mechanical Properties
| Tensile Strength Kb (MPa) | Yield Strength σ0.2 (MPa) | Elongation D5 (%) | Hardness |
| ≥520 | ≥205 | ≥ 40 | ≤ 187HB;≤ 90HRB;≤ 200HV |
Physical Performance
| Density(g/cm³) | Modulus of Elasticity(Gpa) | Coefficient of Thermal Expansion(10-6/°C) | Coefficient of Thermal Conductivity(W/m*K) | Resistivity(ΜΩ. cm) |
| 7.92 | 193 | 16.6 | 16.0 | 72 |
