| 序號 No |
鋼種大類 Category |
典型牌號 Grade |
規格/mm Sizes |
執行標準 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 技術協議 Technical protocol |
要用于電纜主纜用承重鋼絲、鋼絲繩、鍍鋅鋼絞線、光纜用鋼絲、彈簧，以及橋梁的系桿、拉索及體外預應力工程等。 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 | 膠管胎圈簾線用鋼 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 技術協議 Technical protocol |
膠管用鋼主要應用于膠管鋼絲；胎圈用鋼應用于制造胎圈鋼絲；簾線鋼應用于制造輪胎子午線鋼絲。 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 | 橋梁纜索用鋼 Steel wire for bridge cable |
QS87Mn QS87MnL | Φ12.5~15 | 技術協議 Technical protocol |
主要用于跨江、跨海和跨山等領域橋梁纜索用鍍鋅鋼絲。 Mainly used for galvanized steel wire for bridge cables used in bridges crossing river,sea and mountain. |
| 4 | 冷鐓鋼 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級緊固件。 Used for making fastener of Grade 4.8-12.9. |
| 5 | 汽車用冷鐓鋼 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 |
制作汽車內外飾、車身、底盤、動力總成等部位的緊固件。 Make fasteners for automotive interior and exterior, bodywork, chassis and power assembly parts. |
| 6 | 普通焊接用鋼 Common steel wire rod for welding |
SWRY11 ER70S-6 EH14 H08MnA H10Mn2 | Φ5.5～6.5 | Q/320582 JYG11 技術協議 Technical protocol |
制造各類焊條、焊絲，廣泛用于造船、重型機械制造、鐵道車輛制造等領域。 Make various kinds of welding rod, weld ing wire, widely used in shipbuilding, heavy machinery and locomotive manufacturing etc. |
| 7 | 特種焊接用鋼 Special steel wire rod forwelding |
Q70 Q80 ATL700-Ti ER70S-G ER55-B2 BSREF1 SJA73 H08CrMoVTiRE AB14-SJ SA335P91 | Ф5.5～6.5 | 技術協議 Technical protocol |
主要用于工程機械、壓力容器、鍋爐及化工設備等部件的焊接。 Mainly used for welding parts of construction machinery, pressure vessel, boiler and chemical equipment. |
| 8 | 彈簧鋼 Spring steel |
65Mn SWRH82B-T 60Si2MnA 55SiCrA SAE9254 50CrV SAE6150 | Ф5.5～15 | GB/T 1222 技術協議 Technical protocol |
廣泛應用于汽車、鐵路機車、工程機械等領域。 Widely used for autumobile, railway locomotive, construction machinery and other fields. |
| 9 | 工模具鋼 Tool steel |
45H 55H 40CrV 60CrV 55CrMo SAE6150H 50BV30 S2 | Ф5.5～26 | Q/320582 JYG15-2016 技術協議 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 | 軸承鋼 Bearing steel |
GCr15 SAE52100 SUJ2 100Cr6 | Ф5.5～23 | GB/T 18254 技術協議 Technical protocol |
制造軸承套圈、滾動體、工具等。 Make bearing ferrules, rolling element and tools. |
