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Oil Quenched-tempered Shaped Profile Wire With Black Surface 65Mn
Oil quenching - tempering: A wire that is drawn to the finished size and quenched and tempered in a continuous furnace. The unwound wire is first heated to full austenitizing temperature in a continuous furnace and then quenched by oil bath Martensite, and then through the continuous furnace tempering, to obtain the expected strength and toughness. Oil quenching - tempering steel wire straightness is good, the uniformity of mechanical properties, made of components or components only after low temperature stress treatment that can be used directly.
Oil Quenched-tempered Shaped Profile Wire With Black Surface 65Mn
Product name: Oil Quenched-tempered Steel Wire
Material: 65Mn, 70#, 72A, 72B, 55SiCr, 50CrVA, 60Si2MnA, 65Si2CrV, SAE9254, etc.
Use: Clutch spring, suspension spring, valve spring, etc.
Standard: GTB/18983-2017,EN10270-2,DIN17223-2, ASTMA229/A230/A401/A877, JSG3560/3561, etc.
Diameter: φ1.8mm -φ16mm
Cross section: Special-shaped steel bars with circular and various non-circular sections
| Grades | C | Si | Mn | Cr | V | P | S | Other elements | Standard |
| FDC (60～75Mn) | 0.60～0.75 | 0.10～0.35 | 0.50～1.20 | - | - | ≤0.030 | ≤0.030 | Cu≤0.20 | GB/T18983 -2003 |
| TDC ,VDC (60～75Mn) | 0.60～0.75 | 0.10～0.35 | 0.50～1.20 | - | - | ≤0.020 | ≤0.025 | Cu≤0.12 | GB/T18983 -2003 |
| 50CrVA (FDCrV-A,TDCrV-A) | 0.47～0.55 | 0.10～0.40 | 0.60～1.20 | 0.80～～1.10 | 0.15～0.20 | ≤0.030 | ≤0.030 | Cu≤0.20 | GB/T18983 -2003 |
| VDCrV-A(50CrVA) | 0.47～0.55 | 0.10～0.40 | 0.60～1.20 | 0.80～1.10 | 0.15～0.25 | ≤0.025 | ≤0.025 | Cu≤0.12 | GB/T18983 -2003 |
| 67CrVA (FDCrV-B,TDCrV-B) | 0.62～0.72 | 0.15～0.30 | 0.50～0.90 | 0.40～0.60 | 0.15～0.25 | ≤0.030 | ≤0.030 | Cu≤0.20 | GB/T18983 -2003 |
| VDCrV-B(67CrVA) | 0.62～0.72 | 0.15～0.30 | 0.50～0.90 | 0.40～0.60 | 0.15～0.25 | ≤0.025 | ≤0.025 | Cu≤0.12 | GB/T18983 -2003 |
| FDSiMn,TDSiMn (60SiMn) | 0.56～0.64 | 1.50～2.00 | 0.60～0.90 | ≤0.035 | ≤0.035 | Cu≤0.25 | GB/T18983 -2003 | ||
| 55CrSiA (FDCrSi,TDCrSI) | 0.50～0.60 | 1.20～1.60 | 0.50～0.90 | 0.50～0.80 | ≤0.030 | ≤0.030 | Cu≤0.20 | GB/T18983 -2003 | |
| VDCrSi(55CrSiA) | 0.50～0.60 | 1.20～1.60 | 0.50～0.90 | 0.50～0.80 | ≤0.025 | ≤0.025 | Cu≤0.12 | EN10270-2：2011 | |
| FDCrSiV(60CrSiVA) | 0.50～0.70 | 1.20～1.65 | 0.40～0.90 | 0.50～1.00 | 0.10～0.25 | ≤0.030 | ≤0.025 | Cu≤0.12 | EN10270-2：2011 |
| TDCrSIV(60CrSiVA) | 0.50～0.70 | 1.20～1.65 | 0.40～0.90 | 0.50～1.00 | 0.10～0.25 | ≤0.020 | ≤0.020 | Cu≤0.10 | EN10270-2：2011 |
| VDCrSiV(60CrSiVA) | 0.50～0.70 | 1.20～1.65 | 0.40～0.90 | 0.50～1.00 | 0.10～0.25 | ≤0.020 | ≤0.020 | Cu≤0.06 | EN10270-2：2011 |
|  |
| Mechanical properties of high fatigue grade steel wire | |||||
| Diameter range/mm | Tensile strength Rm Rm/MPa | Section shrinkage | |||
| VCD | VDCrV-A | VDSiCr | VDSiCrV | Z°/% | |
| 0.50-0.80 | 1700-2000 | 1750-1950 | 2080-2230 | 2230-2380 | — |
| >0.80-1.00 | 1700-1950 | 1730-1930 | 2080-2230 | 2230-2380 | — |
| >1.00'1.30 | 1700-1900 | 1700-1900 | 2080-2230 | 2230-2380 | 45 |
| >1.30-1.40 | 1700-1850 | 1680-1860 | 2080-2230 | 2210-2360 | 45 |
| >1.40-1.60 | 1670-1820 | 1660-1860 | 2050-2180 | 2210-2360 | 45 |
| >1.60-2.00 | 1650-1800 | 1640-1800 | 2010-2110 | 2160-2310 | 45 |
| >2.00-2.50 | 1630-1780 | 1620-1770 | 1960-2060 | 2100-2250 | 45 |
| >2.50-2.70 | 1610-1760 | 1610-1760 | 1940-2040 | 2060-2210 | 45 |
| >2.70-3.00 | 1590-1740 | 1600-1750 | 1930-2030 | 2060-2210 | 45 |
| >3.00-3.20 | 1570-1720 | 1580-1730 | 1920-2020 | 2060-2210 | 45 |
| >3.20-3.50 | 1550-1700 | 1560-1710 | 1910-2010 | 2010-2160 | 45 |
| >3.50-4.00 | 1530-1680 | 1540-1690 | 1890-1990 | 2010-2160 | 45 |
| >4.00〜4.20 | 1510-1660 | 1520-1670 | 1860-1960 | 1960-2110 | 45 |
| >4.20-4.50 | 1510-1660 | 1520-1670 | 1860-1960 | 1960-2110 | 45 |
| >4.50-4.70 | 1490-1640 | 1500-1650 | 1830-1930 | 1960-2110 | 45 |
| >4.70-5.00 | 1490-1640 | 1500-1650 | 1830-1930 | 1960-2110 | 45 |
| >5.00-5.60 | 1470-1620 | 1480-1630 | 1800-1900 | 1910-2060 | 40 |
| >5.60-6.00 | 1450-1600 | 1470-1620 | 1790-1890 | 1910-2060 | 40 |
| >6.00-6.50 | 1420-1570 | 1440-1590 | 1760-1860 | 1910-2060 | 40 |
| >6.50-7.00 | 1400-1550 | 1420-1570 | 1740-1840 | 1860-2010 | 40 |
| >7.00-8.00 | 1370-1520 | 1410-1560 | 1710-1810 | 1860-2010 | 40 |
| >8.00-9.00 | 1350-1500 | 1390-1540 | 1690-1790 | 1810-1960 | 35 |
| >9.00-10.00 | 1340-1490 | 1370-1520 | 1670-1770 | 1810-1960 | 35 |
Oil quenching - tempering: A wire that is drawn to the finished size and quenched and tempered in a continuous furnace. The unwound wire is first heated to full austenitizing temperature in a continuous furnace and then quenched by oil bath Martensite, and then through the continuous furnace tempering, to obtain the expected strength and toughness. Oil quenching - tempering steel wire straightness is good, the uniformity of mechanical properties, made of components or components only after low temperature stress treatment that can be used directly.
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