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302 / 3021A Stainless Steel Spring Wire Bright / Matte Surface ISO Certificate

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302 / 3021A Stainless Steel Spring Wire Bright / Matte Surface ISO Certificate

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Brand Name : MTSCO

Model Number : MTSCOSSW16

Certification : ISO 9001

Place of Origin : CHINA

MOQ : negotiable

Price : 2500-6000USD/TON

Payment Terms : T / T ; L / C

Supply Ability : 500 Tons / Month

Delivery Time : 20 Days

Packaging Details : Woven bag, Core, Wooden reel, etc

Material : 302/3021A

Type : Spring Wire

Standard : ASTM A580, JIS G4309, EN 10088-3, GB/T4240, etc

Surface : Bright, matte ,downy, electrolysis bright ,cloudy ,plain ,black,etc

Condition : Annealed and Soft, 1/2 hard, 3/4 hard and full hard

Length : Customized For Customers

Packing : Woven bag, core, wooden reel, etc

Application : High-Quality Springs, Bolts,Nuts,Shaft, Welded Wire,etc

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Hot Sale 302/3021A Stainless Steel Spring Wire Bright/Matte Surface With ISO Certificate

Material Stainless Steel Wire
Grade 300series (301, 302,3021A, 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 Spring Wire (B-SPR/D-SPR)
Packing Woven bag, core, wooden reel, etc

302/304 stainless steel wire is the most widely used stainless steel wire due to its high corrosion resistance and good tensile strength. It is a general-purpose stainless steel alloy, usually consisting of 18% chromium and 8% nickel. For spring applications, it is typically offered in the cold drawn condition. 302/304 springs have good strength at moderate temperatures up to 500°F. 302/304 is non-magnetic in the annealed condition, but the material in the spring condition is slightly magnetic due to some martensitic transformation during the drawing operation. The higher the cold reduction, the higher the degree of magnetism.

Steel Grade DIN Chemical composition
C Si Mn P S Ni Cr Mo Other composition
302 WNr1.6900 ≤0.15 ≤1.0 ≤2.0 ≤ 0.045 ≤0.03 8.0-10 17.0-19.0 ≤0.6 Cu:≤1.0
3021A ≤0.15 ≤1.0 ≤2.0 ≤ 0.045 ≤0.03 8.0-10 17.0-19.0 ≤0.6

302 / 3021A Stainless Steel Spring Wire Bright / Matte Surface ISO Certificate

Application for 304 stainless steel wire:

302: High-Quality Springs

3021A: Tight Wire

Steel Grade Physical Property
Y.S T.S EL. HRB
302 248 627 62 78
3021A 227 600 55

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

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


Product Tags:

3021A Stainless Steel Spring Wire

      

ISO Certificate Stainless Steel Spring Wire

      

Matte 302 Stainless Steel Spring Wire

      
Quality 302 / 3021A Stainless Steel Spring Wire Bright / Matte Surface ISO Certificate for sale

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