►Springs wire is the raw material use for making spring mattress.
►The wire can use for bonnell spring mattress, pocket spring mattress, sofa springs ,and other related furtiture.
►It with strong stability, high quality, very suitable for mattress making.
| Grade | Chemical Composoition (%) | Mechanice Periormance | ||||||||||
| C | Si | Mn | S | P | Ni | Cr | Cu | Piece | Tensile Strength (MPA) | (Elongation after break （%) | Rate of reduction in area (%) | |
| 65# | 0.67 | 0.23 | 0.57 | 0.013 | 0.013 | 0.007 | 0.011 | 0.009 | 2 | 990 | 13 | 4646 |
| 65# | 0.68 | 0.23 | 0.60 | 0.017 | 0.012 | 0.006 | 0.008 | 0.008 | 8 | 965 | 12 | 45 |
| 65# | 0.68 | 0.23 | 0.61 | 0.013 | 0.016 | 0.007 | 0.008 | 0.009 | 4 | 965 | 15 | 46 |
| 65# | 0.68 | 0.24 | 0.63 | 0.012 | 0.015 | 0.006 | 0.008 | 0.010 | 1 | 950 | 11 | 42 |
