سبائك الصلب هو مجرد سبائك الصلب مع عناصر أخرى مثل المنغنيز والموليبدينوم والفاناديوم والسيليكون والبورون والنيكل والكروم . من الناح.
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خصائص انخفاض سبائك الصلب الهيكلي
编号 NO: | 近似钢号 | 用途 | Application | ||||
中国GB | 美国AISI | 德国DIN | 日本JIS | 外企 Foreign Enterprise | |||
1 | 40Cr | 5140 | 1.7035 41Cr4 | SCR440 | 广泛使用的轴、螺栓、连杆等 | For shaft,screw bolt, joint shaft in widely use | |
2 | 30CrNi3 | 3435 | 1.5755 31NiCr14 | SNC631 | 承受大冲击、扭力载的轴、螺栓、连杆等 | For shaft,bolt, join td-olt endureing sudden impacting | |
3 | 40CrNiMo | 4340 | 1.6582 36CrNiMo4 | SNCM439 | 大直径汽轮机叶片、轴和螺栓等 | For vane,shaft bolt of large dia steamer | |
4 | 35CrMo | 4135 | 1.7220 34CrMo4 | SCM435 | 汽轮机主轴400°C使用螺栓、轧机人字齿、锤杆等 | For main shaft of steamer,bolt for 400°C,Hummar shank | |
5 | 42CrMo | 4140 | 1.7225 42CrMo4 | SCM440 | 同35CrMo,便截面可更大,强度也高 | Same as 35CrMo with big section supper force | |
6 | *35CrMoV | 4135 | SCM435 | 使用温度≤500°C汽轮机叶轮,压缩机转子等 | For steamer vane againest 500°C rotor of compresser | ||
7 | 50CrV | 6150 | 1.8159 51CrV4 | SUP10 | 在200°C使用弹簧钢供内燃机,轿车等用 | Spring steel for gas engine,car within 200°C | |
8 | 60Si2MnA | 9260 | 55Si7 | SUP7 | 主要用于汽车、机车、拖拉机等专用弹簧 | Spring steels for car, engine and tractor etc. | |
9 | 60Si2CrA | 9254 | 1.0961 60SiCr7 | SUP12 | 在250°C内用作高载荷的大型弹簧 | Spring steel for big gas engine, pump,crusher etc,with in 250°C | |
10 | 55CrMnA | 5155 | 1.7176 55Cr3 | SUP9 | 用作重载荷,高应力条件下的大型弹簧,如汽车、机车等 | Spring steel for car,engine,tractor etc. |
编号 NO: | 合金结构钢化学成份(% ) Chemical composition |
退火状态 硬度≤ Annealed Hardness |
力学性能(≤) |
热处理温度(℃) Heal Treatment Temp |
||||||||||||||
C | Si | Mn | P≤ | S≤ | Cr | W | Mo | V |
RM (MPa) |
RM (MPa) |
Ae % | Z % | A(S) |
淬火 Quench |
回火 Tempering |
|||
1 | 0.40 | 0.30 | 0.70 | 0.025 | 0.025 | 1.00 | ≤0.25 | — | — | 207 | 980 | 785 | 9 | 45 | 47 | 850°C 油Oil | 520°C 水/油 | |
2 | 0.30 | 0.30 | 0.50 | 0.025 | 0.025 | 0.80 | 3.00 | — | — | 241 | 980 | 785 | 9 | 45 | 63 | 850°C 油Oil | 500°C 水/油 | |
3 | 0.40 | 0.30 | 0.55 | 0.025 | 0.025 | 0.80 | 1.35 | 0.20 | — | 269 | 980 | 835 | 12 | 55 | 78 | 850°C 油Oil | 600°C 水/油 | |
4 | 0.33 | 0.30 | 0.60 | 0.025 | 0.025 | 1.00 | ≤0.25 | 0.20 | — | 229 | 980 | 835 | 12 | 45 | 63 | 850°C 油Oil | 550°C 水/油 | |
5 | 0.42 | 0.30 | 0.60 | 0.025 | 0.025 | 1.00 | ≤0.25 | 0.20 | — | 229 | 1080 | 930 | 12 | 45 | 63 | 850°C 油Oil | 560°C 水/油 | |
6 | 0.35 | 0.30 | 0.60 | 0.025 | 0.025 | 1.20 | ≤0.25 | 0.20 | 0.15 | 241 | 980 | 835 | 12 | 45 | 63 | 850°C 油Oil | 550°C 水/油 | |
7 | 0.50 | 0.30 | 0.70 | 0.025 | 0.025 | 1.00 | ≤0.25 | — | 0.15 | 255 | 1280 | 1130 | 10 | 40 | 850°C 油Oil | 500°C 水/油 | ||
8 | 0.60 | 1.80 | 0.85 | 0.020 | 0.020 | 0.18 | — | — | — | 321 | 1570 | 1375 | 5 | 20 | 870°C 油Oil | 440°C 水/油 | ||
9 | 0.60 | 0.60 | 0.60 | 0.030 | 0.030 | 0.80 | — | — | — | 321 | 1765 | 1570 | 6 | 20 | 870°C 油Oil | 420°C 水/油 | ||
10 | 0.55 | 0.36 | 0.70 | 0.025 | 0.025 | 0.80 | — | — | — | 321 | 1225 | 1080 | 9 | 20 | 860°C 油Oil |
510°C 水/油 |
Standard |
JIS / ASTM / AISI / SAE / EN /DIN / BS / GB / API |
Grade |
SS400, S355JR, S355J0, S355J2 Q345A-Q345E, Q460C etc. |
Delivery Condition |
U / N / A / S / FP / AC / QT / EFS |
Shapes |
Round / Square / Flat / Hexagon |
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