| 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 | 优质碳素结构钢 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
供货技术条件
技术协议 Technical aggrement for supply Technical protocol |
用于制作汽车、工程机械及其它机械的各类轴、连杆、曲轴、曲柄销、齿轮、回转支撑、阀体、紧固件等。 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 技术协议 Technical protocol |
用于制作机械、石油、水利、船舶、建筑等领域的设备连接件、轴、阀体等结构件。 Used for making structural parts such as equipment connectors, shafts, valve bodies,etc. Of machinery, petroleum, water conservancy, shipbuilding, construction and other fields. |
| 3 | 合金结构钢 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
技术协议 Technical protocol |
用于制作风力发电机、矿山机械、工程机械、石油机械、机床、汽车、起重设备的轴、连杆、齿轮等结构件。 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 | 管坯钢 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 技术协议 Technical protocol |
用于制作石油开采、天然气传输、起重机臂架、火力发电、高压气瓶、机械结构等领域的钢管。 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 | 工模具钢 Tool steel |
60CrV Hll H13 H13M ReH13 8418 | Ф20～150 | 技术协议 Technical protocol |
用于制作水管钳、钢筋剪等工具、挤压模具、压铸模具。 Used for making tools such as water pipe wrench, rebar shear,extrusion die, diecasting die, |
| 6 | 磨球钢 Grinding ball steel |
B2 B3 B250A B300A B350A B400A S550A S550C S650A S-704 S-901 | Ф20～120 | 技术协议 Technical protocol |
用于制作冶金、矿山、水泥等领域的磨球。 Used for making grinding balls in metallurgy, mining, cement and other fields. |
| 7 | 齿轮钢 Gear steel |
20CrMnTiH 22CrMoH 20CrMnMoH 20CrNiMoH 16-28MnCr5H 18CrNiMo7-6H SCM420H SAE8620H TL4227H | Ф20～350 | GB/T 5216
EN 10084
ASTM A304
供货技术条件 技术协议 Technical agreement for supply Technical protocol |
用于制作汽车、风电、机械行业的齿轮。 Used for making gear wheels of automobiles, wind power, engineering machinery and other fields. |
| 8 | 轴承钢 Bearing steel |
GCrl5 GCrl5SiMn 100Cr6 SAE52100 SUJ2 | Ф20～200 | 国标
供货技术条件 技术协议 GB Technical agreement for supply Technical protocol |
用于制作轴承的滚动体、套圈以及模具导柱（销）。 Used for making rolling elements, rings and die conductors(pin) of bearing. |
| 9 | 非调质钢 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 技术协议 Technical protocol |
用于制作机械设备活塞杆、拉杆、推杆、注塑机拉杆（哥林柱）及汽车曲轴、半轴等机械零件。 Used for making machine parts such as piston rods, pull rods, push rods, Colin columns, automobile crankshafts and half shafts of mechanical equipment. |
| 10 | 车轴钢 Axle steel |
LZ50 EA1N AARM-101F | 230*230 250*250 280*280 |
TB/T 2945 EN 13261 AAR M-101 技术协议 Technical protocol |
用于制作铁路货车、铁路客车、地铁、 轻轨等轨道交通车辆的车轴。 Used for making axles of railway passengerand freight cars,subways,light rail and otherrail transit vehicles. |
| 11 | 工程机械钢 Steel for engineering machinery |
35MnB系列45B系列 40Mn2 40CrB 15B35Cr S43CB S48CB SCr440B KT-B11E0621 | Ф20～350 |
供货技术条件 技术协议 Technical agreement for supply Technical protocol |
用于制作工程机械的链轨节、销轴、销套、支撑轮。 Used for making the chain link, pin shaft,pin sleeve and support wheel of construction machinery. |
