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Stainless Steel 302 Pipesare a category of stainless steel tubing produced from grade 302 stainless steel alloy. Grade 302 is a non-magnetic, austenitic stainless steel that offers excellent corrosion resistance properties. These pipes find frequent use across a variety of industrial applications where corrosion resistance and durability are critical, including the food and beverage industry, chemical processing, automotive, and construction. Stainless steel 302 pipes provide good strength, formability, and weldability, which makes them well suited for a broad range of environments and applications.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 17-19 |
| Nickel, Ni | 8 – 10 |
| Manganese, Mn | 2 |
| Silicon, Si | 1.00 |
| Carbon, C | 0.15 |
| Sulfur, S | 0.03 |
| Phosphorous, P | 0.045 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 620 MPa | 89900 psi |
| Yield strength (@strain 0.200%) | 275 MPa | 39900 psi |
| Elastic modulus | 193 GPa | 28000 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 55% | 55% |
| Hardness, Brinell (converted from Rockwell B hardness) | 147 | 147 |
| Hardness, Knoop (converted from Rockwell B hardness) | 164 | 164 |
| Hardness, Rockwell B | 85 | 85 |
| Hardness, Vickers (converted from Rockwell B hardness) | 147 | 147 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply These Stainless Steel 302 Pipe in accordance with DIN, ISO, JIS or ANSI Standard.
Stainless Steel 302 Pipe uses are as varied as the sectors they support, led mainly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Stainless Steel 302 Pipesare resistant to rust and corrosion in most settings owing to their chromium content, which creates a protective oxide layer across the surface. That said, under particular circumstances like contact with aggressive chemicals, saltwater, or elevated temperatures, stainless steel 302 pipes can undergo corrosion. Routine upkeep and appropriate care can help avoid rusting, but in severe conditions, corrosion-resistant coatings or substitute materials might be required for lasting durability.
For the upkeep of stainless steel 302 pipes, clean them routinely using a gentle detergent and warm water, steering clear of abrasive cleaners. Rinse well and dry to avoid water spots. Inspect for corrosion and deal with it quickly. Keep them away from harsh chemicals and shield them from physical harm. Employ compatible fittings and think about applying protective coatings for extra durability.
Yes, stainless steel 302 pipes can be joined through standard welding methods including TIG (Tungsten Inert Gas) welding, MIG (Metal Inert Gas) welding, or shielded metal arc welding (SMAW). Nevertheless, it’s crucial to follow correct welding procedures and techniques to avoid overheating and warping of the material. Furthermore, preheating and post-welding annealing might be required to reduce the chance of cracking and guarantee the best possible weld quality.
Stainless steel 302 pipes are measured according to their nominal pipe size (NPS), which indicates the approximate inside diameter of the pipe. Typical sizes span from 1/8 inch to 24 inches in diameter, with standard wall thicknesses defined by schedules like Schedule 5, Schedule 10, Schedule 40, and Schedule 80. The true outside diameter of the pipe changes based on the wall thickness and manufacturing standards. Pipe dimensions are generally defined in accordance with industry standards like ASTM (American Society for Testing and Materials) or ASME (American Society of Mechanical Engineers).
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