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AWS 5.9 ER304 Stainless Steel Wire for Welding TIG/ SAW/ MIG
- ASTM A580 304H/304H1 Stainless Steel Wire for Welding TIG/ SAW/ COR
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AWS 5.9 ER304 Stainless Steel Wire for Welding TIG/ SAW/ MIG
Material: Stainless Steel Wire
304 stainless steel wire is composed of 18% chromium and 8% nickel. It is the most widely used stainless steel spring wire because of its high corrosion resistance and good tensile strength. For spring applications, it is usually offered in cold-drawn conditions. If properly treated after molding, it will solidify less than most other spring materials at temperatures up to 500ºF. Nickel coated stainless steel wire was developed to have excellent lubricating properties to minimize friction during coiling
| Steel grade | Chemical composition | ||||||||
| C | Si | Mn | P | S | Ni | Cr | Mo | Other composition | |
| 304CU | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.040 | ≤0.03 | 8.0-10 | 17.0-19.0 | ≤0.6 | Cu:3.0~4.0 |
| 304H | 0.067.08 | ≤1.0 | ≤2.0 | ≤0.040 | ≤0.03 | 8.0-9.0 | 18.0-20.0 | ≤0.6 | Cu:≤0.6,N: ≤0.08 |
| 304H1 | 0.06-0.08 | ≤1.0 | ≤2.0 | ≤0.040 | ≤0.03 | 8.0-9.0 | 18.0-20.0 | ≤0.6 | Cu：≤0.6 |
| 304HD | «0.05 | 0.25-0.55 | 1.6-2.0 | ≤ 0.035 | ≤0.015 | 8.5~8.9 | 18.0-18.5 | Cu:≤.5-2.0,Tol AI:≤0.015 | |
| 304HC | ≤0.06 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 8.0~10.5 | 18.0-20.0 | Cu:1.0~3.0,N:≤0.08 | |
 |  |
Application for 304 stainless steel wire:
304: Kitchen appliance and generally purposo
304M: Twister,kitchen appliance,screw cap,wire netting
304MD: DDM use
304MA: Non-magnetism
304MN: The 304m after added content of Mn
304CU: Cross bolt,screw
304H: Steel wire,spring,tight wire,chains
304H1: Steel wire,spring,tight wire,chains
304HD: Preliminary cold heading
304HC: Cold heading(hexagon bolt)
| Steel grade | Physical Property | |||
| Y.S | T.S | EL. | HRB | |
| 304 | 220 | 586 | 63 | 69 |
| 304M | 225 | 560 | 55 | 72 |
| 304MD | 210 | 575 | 62 | 72 |
| 304MA | 225 | 590 | 75 | 79 |
| 304MN | ||||
| 304CU | 190 | 505 | 56 | |
| 304H | 312 | 590 | 55 | 72 |
| 304H1 | 235 | 610 | 64 | 75 |
| 304HD | 212 | 540 | 75 | 85 |
| 304HC | 225 | 510 | 62 | 65 |
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