Stainless Steel Pipe
439 Stainless Steel Pipe
439 stainless steel is a ferritic stainless steel with 17-20% of chromium and low carbon content. This combination gives it excellent corrosion resistance, especially in environments where chloride ions are present.
439 stainless steel pipe is highly recognized for its corrosion resistance. This stainless steel has a high chromium content, which helps prevent rust and corrosion in both wet and dry conditions. This makes it a practical option for use in environments where moisture or chemicals are present. In addition, 439 stainless steel also has good formability and weldability as it can be easily molded into different forms or sizes without affecting its structural integrity. This makes it versatile and suitable for various manufacturing processes. However, 439 stainless steel pipes are likely to be corroded in certain environments. Contact with chloride-containing substances, such as salt water or harsh cleaners, can cause pitting and rust on the surface. 439 stainless steel pipes may not have the same level of strength and durability as many other stainless steel. While it is still a strong material, it may not perform well under heavy loads or stressful conditions.
Product Parameters
| Product Name | 439 Stainless Steel Pipe |
|---|---|
| Type | Steel Pipe |
| Outer Diameter (Round Tube) | 4mm - 200mm |
| Outer Diameter (Square Tube) | 10×10mm - 100×100mm |
| Outer Diameter (Rectangular Tube) | 10×20mm - 50×100mm |
| Wall Thickness | 0.6mm - 6.0mm |
| Length | 1 - 6 meters (customizable) |
| Standard | ASTM, AISI, JIS, GB, DIN, EN, etc. |
| Surface | Black, Bright Polished, Rough Turning, Matt Surface Treatment, No.4, BA, etc. |
| Scope of Application | Food processing, textile operations, breweries, water treatment plants, oil & gas processing, fertilizers and pesticides, chemical applications, construction, pharmaceuticals, auto parts, 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 |
|---|---|---|---|---|---|---|
| ≤ 0.03 | ≤ 1.0 | ≤ 2.0 | 18.0 – 20.0 | 8.0 – 12.0 | ≤ 0.03 | ≤ 0.035 |
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) | Thermal Expansion (10⁻⁶/°C) | Thermal Conductivity (W/m·K) | Resistivity (μΩ·cm) |
|---|---|---|---|---|
| 8.03 | 193 | 16.9 | 16.2 | 72 |
