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60Si2MnA/ 65Si2CrV ASTM A401 Alloy Steel Spring Wire With High Fatigue Limit
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60Si2MnA/ 65Si2CrV ASTM A401 Alloy Steel Spring Wire With High Fatigue Limit
Product name: Oil Quenched-tempered Spring 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.
MTSCO is a professional supplier of steel wire with complete production technology and rich management experience. We produce spring wire, electrolytic polished wire, fine wire, wire for netting, hose wire, welding wire, cold heading, locking wire, and other products. Our main materials are stainless steel and alloy steel, and the raw materials we use are from the biggest and most well-known steel mills in China, we can supply wire in sizes ranging from 0.15 mm to 16 mm in diameter. Our factory is well-equipped and our products conform to ASTM, DIN, GTB, JIS, JSG, and other international standards. We have experienced foreign trade staff with high-quality service and can produce high-quality products according to customers' requirements.
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