Electro Polishing Quality Wire
303/303C Stainless Steel Electro Polishing Quality Wire Bright Surface

MTSCO is a professional supplier of steel wire with complete production technology and rich management experience. We produce spring wire, electrolytic polished wire, fine wire, wire for netting, hose wire, welding wire, cold heading, locking wire, and other products.
303/303C Stainless Steel Electro Polishing Quality Wire Bright Surface
Material: Stainless Steel Wire
Electro Polishing Quality Wire has bright surface, little magnetism, no cracks in molding. It is hard to grow oxide film. So it has high corrosion resistance and long life span. EPQ widely used in the manufacture of bicycle parts, kitchen and sanitary tools, shelves, pet cages, grills, decorative handles and baskets, food and medical machinery parts, etc.
Steel Grade | DIN | Chemical composition | ||||||||
C | Si | Mn | P | S | Ni | Cr | Mo | Other composition | ||
303 | WNr1.4305 | ≤0.15 | ≤1.0 | ≤2.0 | ≤0.2 | ≤0.15 | 8.0-10 | 17.0-19.0 | ||
303C | ≤0.15 | ≤1.0 | ≤3.0 | ≤0.2 | ≤0.15 | 8.0-10 | 17.0-19.0 | ≤0.6 | Cu:1.5-3.5 | |
303C1 | ≤0.15 | ≤1.0 | ≤3.0 | ≤0.2 | 0.2-0.33 | 8.0-10 | 17.0-19.0 | Cu:0.5-1.0 | ||
303F | ≤0.15 | ≤1.0 | ≤3.5 | ≤0.2 | 0.3-0.37 | 8.0-10 | 17.0-19.0 | N:≤0.08 | ||
303FA | ≤0.15 | ≤1.0 | ≤2.0 | ≤0.2 | 0.3-0.4 | 8.0-10 | 17.0-19.0 | ≤0.6 | N:≤0.10 |
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Application for 303 stainless steel wire:
303FA : Free Cutting
Steel Grade | Physical Property | |||
Y.S | T.S | EL. | HRB | |
303 | 240 | 620 | 55 | 81 |
303C | 270 | 575 | 48 | 76 |
303C1 | 280 | 575 | 55 | 84 |
303F | 265 | 620 | 56 | 77 |
303FA | 255 | 600 | 56 | 80 |
MTSCO is a professional supplier of steel wire with complete production technology and rich management experience. We produce spring wire, electrolytic polished wire, fine wire, wire for netting, hose wire, welding wire, cold heading, locking wire, and other products. Our main materials are stainless steel and alloy steel, and the raw materials we use are from the biggest and most well-known steel mills in China, we can supply wire in sizes ranging from 0.15 mm to 16 mm in diameter. Our factory is well-equipped and our products conform to ASTM, DIN, GTB, JIS, JSG, and other international standards. We have experienced foreign trade staff with high-quality service and can produce high-quality products according to customers' requirements.
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Why Choose MTSCO?


Factory Complex
Provide you with cost-effective products and professional services.
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Leave the complexity to Mtsco and the simplicity to you.
After the test of time for 18 years
Whether the products, services, capital and strength, Mtsco is your optimum partner.
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