309/309S Stainless Steel Coil Description
309 stainless steel coil is a heat-resistant alloy known for its excellent resistance to oxidation and corrosion at high temperatures. With a high chromium and nickel content, it performs exceptionally well in extreme environments, making it ideal for applications in furnaces, heat exchangers, and industrial equipment exposed to high heat. The alloy offers superior strength, durability, and resistance to scaling, ensuring reliable performance in elevated temperatures. Additionally, 309 stainless steel coil maintains its structural integrity in environments where other materials may degrade. It is widely used in industries requiring high-temperature resistance and long-lasting performance.
Product Parameters
| Product Name | 309/309S 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 | 22.0～24.0 | 12.0～15.0 | ≤ 0.03 | ≤ 0.045 |
Mechanical Properties
| Tensile Strength Kb (MPa) | Yield Strength σ0.2 (MPa) | Elongation D5 (%) | Hardness |
| ≥515 | ≥205 | ≥35 | ≤ 217HB |
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) |
| 7.98 | 200 | 14.9 | 15.6 | 78 |
