| 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） SWRH82B-E |
Φ5.5～13 | GB/T 24238 GB/T 4354 Q/320582 JYG05 JIS G3506 技术协议 Technical protocol |
主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, steel rope, galvanized steel strand, steel cable, spring, tie rod and cable for bridge use, and prestressed projects. |
| 2 | 冷镦钢 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级紧固件。 Making fastener of Grade 4.8~12.9. |
| 3 | 焊接用钢 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 技术协议Technical protocol |
制造各类焊条、焊丝，广泛应用于造船、重型机械制造、铁道车辆制造等领域。 Making various kinds of welding rod ,welding wire,widely used in shipbuilding ,heavy machinery and locomotive manufacturing etc. |
| 4 | 胶管胎圈帘线用钢 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 技术协议 Technical protocol |
胶管用钢主要应用于制造胶管钢丝；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 to produce hose wire；bead steel is used to produce bead wire；cord steel is used to Produce radial tire steel wire. |
| 5 | 弹簧钢 Spring steel |
65Mn 60Si2MnA 55SiCrA SAE9254 50CrV 87Mn2 |
Ф5.5～15 | GB/T 1222 ASTM A29 &A29M JIS G 4801 技术协议 Technical protocol |
广泛用于铁路机车、汽车、工程机械等领域。/p> Spring for railway vehicle, automotive and engineering, machinery，etc. |
| 6 | 工具钢 Tool steel |
45H 55H 40CrV 60CrV SAE6150H 50BV30 s2 |
Ф5.5～26 | GB/T 1299 ASTM 681 技术协议 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 | 轴承钢 Bearing steel |
GCr15 SAE52100 | Ф5.5～23 | GB/T 18254 技术协议 Technical protocol |
制造轴承套圈、滚动体 Making bearing ferrules，rolling element. |
| 8 | 特种焊接用钢 Special steels for welding |
H08CrMoVTiRE AB14-SJ SA335 P91 |
Ф5.5～6.5 | 技术协议 Technical protocol |
主要用于压力容器、锅炉及化工设备等部件的焊接。 Mainly used for welding of pressure vessels, boilers and chemical equipments. |
| 9 | 桥梁缆索用钢 Bridge cable use steel |
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 river, sea and mountain crossing bridges.ß |
