Stainless Steel 303/303C Spring Wire ASTM/JIS/EN 3/4 Hard And Full Hard With Highly Elastic
Material: Stainless Steel Wire
Grade: 300series (301, 302,303,303C, 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: Spring Wire (B-SPR/D-SPR)
Packing: Woven bag, core, wooden reel, etc
Stainless steel wire is well suited for harsh environments and can be used in ovens, industrial cleaning tanks and other industrial processes without additional coatings. It can withstand chemicals, salt water and other sources of corrosion for long periods of time
Stainless steel wire is the raw material for screws, springs, metal mesh, cable wire and hardware. It is widely used in filtration, construction and critical electronic parts, petroleum and fiber industries, kitchenware and hardware.
| 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 |
Application for 316 stainless steel 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 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.
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
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Stainless Steel 303/303C Spring Wire 3/4 Hard And Full Hard With Highly Elastic Images
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