Specifications of 440A Stainless Steel Wire: |
Grade | 440A |
Standard | ASTM A580 |
Diameter | 0.01 mm to 6. 0mm |
Surface | Bright, Cloudy, Pickled |
Length | Coil Form Or Straight Cut Lengths |
Precision TOLERANCE | +/- 0.002mm |
EQUIVALENT GRADES OF 1.4109 Stainless Steel Wire: |
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
440A | 1.4109 | S44002 | SUS440A | 1.4109 |
CHEMICAL COMPOSITION OF 440A Stainless Spring Steel Wire: |
Grade | C | Mn | Si | S | Fe | P | Cr | Mo |
440A | 0.6-0.75 max | 1.00max | 1.0 max | 0.030max | Bal | 0.04max | 16.00-18.00 | 0.75max |
440A Stainless Spring Steel Wire Mechanical Properties |
Grade | Hardness(HRC) | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
440A | 55 to 57 | 1275 to 1482 | 965 to 1241 | 10% to 15% |
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