Carbon Steel Wire
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Product name:Mattress And Sofa Steel Wire
Standards:
DIN 17223-1 Round Steel Wire For SpringsYB/T 5220-93 Carbon Steel Wire For Non-Mechanical Springs
Usages: Helical springs, Border wires, Bonnell Springs, Mattress spring blocks, Frame wires, Pocket springs, Compression springs, Torsion springs
Material: 30MnSi, 62A,62B, 60, 65, 65Mn, 70, 75,72A, 72B, 77A, 77B, 80,82A, 82B
Diameter: 1.30mm-5.00mm
CHEMICAL COMPOSITION:
Steel grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni(%) | Cu(%) |
45#/SAE1045/S45C | 0.40~0.50 | 0.10~0.25 | 0.60~0.90 | ≤0.035 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.25 |
50#/SAE1050/S50C | 0.47~0.55 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
55#/SAE1055/S55C | 0.52~0.60 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
60#/SAE1060/C60D | 0.55~0.65 | 0.10~0.25 | 0.60~0.90 | ≤0.030 | ≤0.030 | ≤0.20 | ≤0.20 | ≤0.25 |
65#/SAE1065/C66D | 0.63~0.68 | 0.15~0.35 | 0.60~0.90 | ≤0.030 | ≤0.030 | ≤0.20 | ≤0.20 | ≤0.25 |
70#/SAE1070/C70D | 0.65~0.75 | 0.10~0.25 | 0.60~0.90 | ≤0.030 | ≤0.030 | ≤0.20 | ≤0.20 | ≤0.25 |
72A/SWRH72A | 0.69~0.76 | 0.15~0.35 | 0.30~0.60 | ≤0.030 | ≤0.030 | ≤0.20 | ≤0.20 | ≤0.25 |
72B/SWRH72B | 0.69~0.76 | 0.15~0.35 | 0.60~0.90 | ≤0.030 | ≤0.030 | ≤0.20 | ≤0.20 | ≤0.25 |
80#/SAE1080/C80D | 0.75~0.88 | 0.10~0.25 | 0.60~0.90 | ≤0.030 | ≤0.030 | ≤0.20 | ≤0.20 | ≤0.25 |
82A/SWRH82A | 0.79~0.86 | 0.15~0.35 | 0.30~0.60 | ≤0.030 | ≤0.030 | ≤0.20 | ≤0.20 | ≤0.25 |
82B/SWRH82B | 0.79~0.86 | 0.15~0.35 | 0.60~0.90 | ≤0.030 | ≤0.030 | ≤0.20 | ≤0.20 | ≤0.25 |