Electro Polishing Quality Wire

302/3021A Electro Polishing Quality Wire Stainless Steel Wire

302/3021A Electro Polishing Quality Wire Stainless Steel Wire

Quality Control
Raw Materials: MTC checking(PMI), Tensile strength test, Surface/Dimension inspection

Prodcution: Specially assigned person shall follow up and check according to the process flow card, and finally keep the copy

Before shipment: Mechanical properties test, Surface/Dimension inspection, or according to customers’ requirement

302/3021A Electro Polishing Quality Wire Stainless Steel Wire

Material: Stainless Steel Wire

Grade: 300series (301, 302, 3021A, 303, 303C, 304, 304L, 304H, 304N, 304ES, 316L, 321...) 130M, 200CU, 201CU, 202, , 410, 420, 430,etc
Standard: ASTM A580, JIS G4309, EN 10088-3, GB/T4240, etc
Size: φ0.15mm-φ16mm; or according to customers' requests
Surface: Bright, matte ,downy, electrolysis bright ,cloudy ,plain ,black,etc
Condition: Annealed and Soft, 1/2 hard, 3/4 hard and full hard
Type: EPQ (B-SPR)
Packing: Woven bag, core, wooden reel, etc

Steel GradeDINChemical composition
CSiMnPSNiCrMoOther composition
302WNr1.6900≤0.15≤1.0≤2.0≤ 0.045≤0.038.0-1017.0-19.0≤0.6Cu:≤1.0
≤0.15≤1.0≤2.0≤ 0.045≤0.038.0-1017.0-19.0≤0.6


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.

Application for 302 stainless steel wire:

302: High-Quality Springs

3021A: Tight Wire

303: Bolts,Nuts,Shaft

303C: Non-Magnetic Shaft,Free Cutting Processing

303C1: Non-Magnetic Quickly Cut Processed Products

303F : Shaft

303FA: Free Cutting

Steel GradePhysical Property

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.

Quality Control

Production process of stainless steel wire

Why Choose MTSCO?

Integration of industry and trade

Provide you with cost-effective products and professional services.

One stop procurement of stainless steel wire products

Leave the complexity to Mtsco and the simplicity to you.

After the test of time for 17 years

Whether the products, services, capital and strength, Mtsco is your optimum partner.

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