| 序号 No |
钢种大类 Category |
典型牌号 Grade |
规格/mm Sizes |
执行标准 Specifications / Standards |
主要用途 Application |
| 1 | 中高碳系列 Medium and high carbon steel quality |
45～70 SWRH42A（B/Cr）～82A（B/Cr） SWRH42B（B/Cr）～82B（B/Cr） 87MnSi |
Φ5.5～13 | GB 24238 GB 4354 Q/320582 JYG05 JIS G3506 技术协议 Technical protocol |
要用于电缆主缆用承重钢丝、钢丝绳、镀锌钢绞线、光缆用钢丝、弹簧，以及桥梁的系杆、拉索及体外预应力工程等。 Mainly used for bearing wire of electric cable, drawing wire, steel rope, galvanized steel strands, steel cable, spring, tie rod and cable for bridge use, and prestressed projects. |
| 2 | 胶管胎圈帘线用钢 Steel wire for hose, bead and cord |
YLX70A(Cr) YLX80A(Cr) C72DA(Cr) C82DA(Cr) SWRH72A SWRH82A YJG72A YJG82A | Φ5.5 | Q/320582 JYG12 Q/320582 JYG16 Q/320582 JYG17 技术协议 Technical protocol |
胶管用钢主要应用于胶管钢丝；胎圈用钢应用于制造胎圈钢丝；帘线钢应用于制造轮胎子午线钢丝。 Hose steel is used for making hose wire; bead steel is used for making bead wire; cord steel is used for making radial tire steel wire. |
| 3 | 桥梁缆索用钢 Steel wire for bridge cable |
QS87Mn QS87MnL | Φ12.5~15 | 技术协议 Technical protocol |
主要用于跨江、跨海和跨山等领域桥梁缆索用镀锌钢丝。 Mainly used for galvanized steel wire for bridge cables used in bridges crossing river,sea and mountain. |
| 4 | 冷镦钢 Cold heading quality steel |
SWRCH6A~22A 10B21~10B38 15B25~15B54 20~30MnB4 SWRCH25K~45K ML20Cr~ML40Cr SCR420 SCM420 SCM435 SCM440 B7 20~42CrMo ML20MnTiB 51B20 | Φ5.5~26 | JIS 3507 ASTM A510 GB/T 6478 JIS 4053 |
用于制作4.8~12.9级紧固件。 Used for making fastener of Grade 4.8-12.9. |
| 5 | 汽车用冷镦钢 Cold heading quality steel for automobile |
QSWRCH6A-22A Q10B21-10B38 QSWRCH20K-45K QML20Cr-40Cr QSCM415-440 | Φ5.5~26 | JIS 3507 ASTM A510 GB 6478 JIS 4053 Q/320582 JYG19-2019 |
制作汽车内外饰、车身、底盘、动力总成等部位的紧固件。 Make fasteners for automotive interior and exterior, bodywork, chassis and power assembly parts. |
| 6 | 普通焊接用钢 Common steel wire rod for welding |
SWRY11 ER70S-6 EH14 H08MnA H10Mn2 | Φ5.5～6.5 | Q/320582 JYG11 技术协议 Technical protocol |
制造各类焊条、焊丝，广泛用于造船、重型机械制造、铁道车辆制造等领域。 Make various kinds of welding rod, weld ing wire, widely used in shipbuilding, heavy machinery and locomotive manufacturing etc. |
| 7 | 特种焊接用钢 Special steel wire rod forwelding |
Q70 Q80 ATL700-Ti ER70S-G ER55-B2 BSREF1 SJA73 H08CrMoVTiRE AB14-SJ SA335P91 | Ф5.5～6.5 | 技术协议 Technical protocol |
主要用于工程机械、压力容器、锅炉及化工设备等部件的焊接。 Mainly used for welding parts of construction machinery, pressure vessel, boiler and chemical equipment. |
| 8 | 弹簧钢 Spring steel |
65Mn SWRH82B-T 60Si2MnA 55SiCrA SAE9254 50CrV SAE6150 | Ф5.5～15 | GB/T 1222 技术协议 Technical protocol |
广泛应用于汽车、铁路机车、工程机械等领域。 Widely used for autumobile, railway locomotive, construction machinery and other fields. |
| 9 | 工模具钢 Tool steel |
45H 55H 40CrV 60CrV 55CrMo SAE6150H 50BV30 S2 | Ф5.5～26 | Q/320582 JYG15-2016 技术协议 Technical protocol |
用于制造高端手工工具、五金工具等。 Used for making high-quality hand tools and hardware tools. |
| 10 | 轴承钢 Bearing steel |
GCr15 SAE52100 SUJ2 100Cr6 | Ф5.5～23 | GB/T 18254 技术协议 Technical protocol |
制造轴承套圈、滚动体、工具等。 Make bearing ferrules, rolling element and tools. |
