序號 No | 鋼種大類 Category | 典型牌號 Grade | 規(guī)格/mm Sizes | 執(zhí)行標準 Specifications / Standards | 主要用途 Application |
1 | 優(yōu)質(zhì)碳素結(jié)構(gòu)鋼 High quality carbon structural steel | 20?45 50Mn S15-55C S45C C45 SAE1045 1015 A105 Cf53 UC1 | φ20~350 | GB/T 699 JIS G4051 EN10083-2 ASTM A29 供貨技術(shù)條件 技術(shù)協(xié)議 Technical aggrement for supply Technical protocol | 用于制作汽車、工程機械及其它機械的各類軸、連桿、曲軸、曲柄銷、齒輪、回轉(zhuǎn)支撐、閥體、緊固件等。 Used for making all kinds of shafts, connecting rods, crankshafts, crank pins, gears, rotary supports, valve bodies and fasteners of automobiles, engineering machinery and other machinery. |
2 | Q355系列 LF2、LF6、S355J2系列 S355NL系列 | Q355 LF2 S355J2 | Ф20~350 | GB/T 1591 EN 10025 EN 10021 技術(shù)協(xié)議 Technical protocol | 用于制作機械、石油、水利、船舶、建筑等領(lǐng)域的設備連接件、軸、閥體等結(jié)構(gòu)件。 Used for making structural parts such as equipment connectors, shafts, valve bodies,etc. Of machinery, petroleum, water conservancy, shipbuilding, construction and other fields. |
3 | 合金結(jié)構(gòu)鋼 Structural alloy Steel | 20-45Mn2 20-45Cr 15-42CrMo 40CrMnMo 38CrMoAI 20-40CrNiMo 42-50CrMo4 B7 SCM415-440 SNCM431 AISI4130 AISI4140 AISI4137H AISI4145H AISI4340 AISI8630 | Ф20~350 | GB/T 3077 JIS G4053 EN 10083-3 ASTM A29 Q320582 JYG22 技術(shù)協(xié)議 Technical protocol | 用于制作風力發(fā)電機、礦山機械、工程機械、石油機械、機床、汽車、起重設備的軸、連桿、齒輪等結(jié)構(gòu)件。 Used for making structural parts such as shafts, connecting rods, gear wheels, etc. of wind driven generater, mining machinery, engineering machinery, petroleum machinery, machine tools, automobiles and lifting equipment. |
4 | 管坯鋼 Tube billet steel | 20G 15CrMoG 12Cr2MoG 12CrlMoVG 10Cr9MolVNbN SA-210C Tla Til T12 T22 T5 WB36 T91 25CrMo 30CrMo 4130 34CrMo4 15NilMnMoNbCu 10Cr9MolVNbN CB770 CB890 27CrMo-F ZD135 33Mn2V 36Mn2V 22Cr3MoTi 29CrMoVNb | Ф20~350 | YB/T 5137 GB 30584 API 5CT ASME SA-213/SA-213M ASTM A335/A335M 技術(shù)協(xié)議 Technical protocol | 用于制作石油開采、天然氣傳輸、起重機臂架、火力發(fā)電、高壓氣瓶、機械結(jié)構(gòu)等領(lǐng)域的鋼管。 Used for making steel pipes in oil exploitation, natural gas transmission, crane boom, thermal power generation, high-pressure gas cylinders, mechanical structures and other fields. |
5 | 工模具鋼 Tool steel | 60CrV Hll H13 H13M ReH13 8418 | Ф20~150 | 技術(shù)協(xié)議 Technical protocol | 用于制作水管鉗、鋼筋剪等工具、擠壓模具、壓鑄模具。 Used for making tools such as water pipe wrench, rebar shear,extrusion die, diecasting die, |
6 | 磨球鋼 Grinding ball steel | B2 B3 B250A B300A B350A B400A S550A S550C S650A S-704 S-901 | Ф20~120 | 技術(shù)協(xié)議 Technical protocol | 用于制作冶金、礦山、水泥等領(lǐng)域的磨球。 Used for making grinding balls in metallurgy, mining, cement and other fields. |
7 | 齒輪鋼 Gear steel | 20CrMnTiH 22CrMoH 20CrMnMoH 20CrNiMoH 16-28MnCr5H 18CrNiMo7-6H SCM420H SAE8620H TL4227H | Ф20~350 | GB/T 5216 EN 10084 ASTM A304 供貨技術(shù)條件 技術(shù)協(xié)議 Technical agreement for supply Technical protocol | 用于制作汽車、風電、機械行業(yè)的齒輪。 Used for making gear wheels of automobiles, wind power, engineering machinery and other fields. |
8 | 軸承鋼 Bearing steel | GCrl5 GCrl5SiMn 100Cr6 SAE52100 SUJ2 | Ф20~200 | 國標 供貨技術(shù)條件 技術(shù)協(xié)議 GB Technical agreement for supply Technical protocol | 用于制作軸承的滾動體、套圈以及模具導柱(銷)。 Used for making rolling elements, rings and die conductors(pin) of bearing. |
9 | 非調(diào)質(zhì)鋼 Non quenched and tempered steel | C38+N2 38MnVS6 D38MSV5S 49MnVS3 S45CVS H D FT45 45MnSiVSQ A45VS F40MnV HY4520 YG1401 YG4201 YG4102 YG4203 | Ф20~260 | Q320582 JYG21 技術(shù)協(xié)議 Technical protocol | 用于制作機械設備活塞桿、拉桿、推桿、注塑機拉桿(哥林柱)及汽車曲軸、半軸等機械零件。 Used for making machine parts such as piston rods, pull rods, push rods, Colin columns, automobile crankshafts and half shafts of mechanical equipment. |
10 | 車軸鋼 Axle steel | LZ50 EA1N AARM-101F | 230*230 250*250 280*280 | TB/T 2945 EN 13261 AAR M-101 技術(shù)協(xié)議 Technical protocol | 用于制作鐵路貨車、鐵路客車、地鐵、 輕軌等軌道交通車輛的車軸。 Used for making axles of railway passengerand freight cars,subways,light rail and otherrail transit vehicles. |
11 | 工程機械鋼 Steel for engineering machinery | 35MnB系列45B系列 40Mn2 40CrB 15B35Cr S43CB S48CB SCr440B KT-B11E0621 | Ф20~350 | 供貨技術(shù)條件 技術(shù)協(xié)議 Technical agreement for supply |