| 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） SWRH82B-E |
Φ5.5～13 | GB/T 24238 GB/T 4354 Q/320582 JYG05 JIS G3506 技術協議 Technical protocol |
主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, steel rope, galvanized steel strand, steel cable, spring, tie rod and cable for bridge use, and prestressed projects. |
| 2 | 冷鐓鋼 Cold heading quality steel |
SWRCH6A～22A 10B21～10B38 15B25～15B41 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。 Making fastener of Grade 4.8~12.9. |
| 3 | 焊接用鋼 Welding quality steel |
SWRY11 ER70S-6 ER70S-3 H08MnA H10Mn2 SJA82 ER70S-G ER110S-G ER55-B2 BSREF1 ER55-G SJA73 |
Φ5.5～6.5 | Q/320582 JYG11 AWS A5.18 JIS G3503 技術協議Technical protocol |
制造各類焊條、焊絲，廣泛應用于造船、重型機械制造、鐵道車輛制造等領域。 Making various kinds of welding rod ,welding wire,widely used in shipbuilding ,heavy machinery and locomotive manufacturing etc. |
| 4 | 膠管胎圈簾線用鋼 Hose wire，bead wire and cord wire use steel |
YLX70A YLX80A C72DA C82DA SWRH72A SWRH82A YJG72A YJG82A |
Φ5.5 | Q/320582 JYG12 Q/320582 JYG16 Q/320583 JYG17 技術協議 Technical protocol |
膠管用鋼主要應用于制造膠管鋼絲；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 to produce hose wire；bead steel is used to produce bead wire；cord steel is used to Produce radial tire steel wire. |
| 5 | 彈簧鋼 Spring steel |
65Mn 60Si2MnA 55SiCrA SAE9254 50CrV 87Mn2 |
Ф5.5～15 | GB/T 1222 ASTM A29 &A29M JIS G 4801 技術協議 Technical protocol |
廣泛用于鐵路機車、汽車、工程機械等領域。/p> Spring for railway vehicle, automotive and engineering, machinery，etc. |
| 6 | 工具鋼 Tool steel |
45H 55H 40CrV 60CrV SAE6150H 50BV30 s2 |
Ф5.5～26 | GB/T 1299 ASTM 681 技術協議 Technical protocol |
用于制作高端手工具，五金工具等。 Making high-quality hand tools and hardware tools. |
| 7 | 軸承鋼 Bearing steel |
GCr15 SAE52100 | Ф5.5～23 | GB/T 18254 技術協議 Technical protocol |
制造軸承套圈、滾動體 Making bearing ferrules，rolling element. |
| 8 | 特種焊接用鋼 Special steels for welding |
H08CrMoVTiRE AB14-SJ SA335 P91 |
Ф5.5～6.5 | 技術協議 Technical protocol |
主要用于壓力容器、鍋爐及化工設備等部件的焊接。 Mainly used for welding of pressure vessels, boilers and chemical equipments. |
| 9 | 橋梁纜索用鋼 Bridge cable use steel |
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 river, sea and mountain crossing bridges.? |
