Stainless Steel Coil
439 Stainless Steel Coil
439 stainless steel is a ferritic stainless steel with large amounts of chromium (approximately 18%) and low carbon content. This combination leads to its excellent corrosion resistance, especially in environments where chloride ions are present.
439 stainless steel coil excels in corrosion resistance. This stainless steel has a high chromium content, which prevents rust and corrosion in both wet and dry conditions. This makes it ideal for use in moisture or chemicals. In addition, 439 stainless steel also has good formability and weldability and can be easily molded into different forms or sizes without compromising on its structural integrity. This makes it versatile and suitable for different manufacturing processes. However, 439 stainless steel coil is vulnerable to corrosion in certain environments. Contact with chloride-containing substances, such as salt water or harsh cleaners, can cause pitting and rust on the surface of 439 stainless steel. 439 stainless steel coil does not have the same level of strength and durability as other types of stainless steel. Despite being a strong material, it may not perform well under heavy loads or stressful conditions.
Product Parameters
| Product Name | 439 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 | Mo |
|---|---|---|---|---|---|---|---|
| ≤ 0.03 | ≤ 0.75 | ≤ 2.0 | 16.0 – 18.0 | 10.0 – 14.0 | ≤ 0.03 | ≤ 0.045 | 2.0 – 3.0 |
Mechanical Properties
| Tensile Strength Kb (MPa) | Yield Strength σ0.2 (MPa) | Elongation D5 (%) | Hardness |
|---|---|---|---|
| ≥ 480 | ≥ 177 | ≥ 40 | ≤187HB / ≤90HRB / ≤200HV |
Physical Performance
| Density (g/cm³) | Modulus of Elasticity (GPa) | Thermal Expansion (10⁻⁶/°C) | Thermal Conductivity (W/m·K) | Resistivity (μΩ·cm) |
|---|---|---|---|---|
| 7.99 | 193 | 16.0 | 16.2 | 74 |
