Main Products: Special Steel
high quality sae 4140 steel round bar
USD $800 - $2,000 /Metric Ton
Min.Order:1 Metric Ton
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Sichuan Liaofu Special Steel Trading Co., Ltd.
Business Type: Trading Company
Chengdu Sichuan ChinaMain Products: Special SteelProduct Details
sae 4140 steel round bar
| Material standardized according to | sae 4140 steel round bar |
| Unfinished products manufactured | Pipes - profiles - squares |
| Properties | Excellent mechanical features - good workability on high-speed automatic machines with easy fragmentation of the shavings made by the tool |
| Typical applications | used for making heavy loading and sectional gear shaft,gear,connecting rod,eccentric shaft,rear axle shaft of car,parts of steam turbine,etc |
Chemical composition (%)
| C | Cr | Si | p | Mn | Ni |
| 0.37~0.45 | 0.90~1.20 | 0.17~0.37 | ≤0.035 | 0.90~1.20 | ≤0.030 |
Specifications: (approximate values)
| Quenching Temp | 860 ±15 °C |
| Cool Media | Oil |
| Tempering Temp | 600 ±15 °C |
| Cooling Media | air |
Mechanical features
| Tensile Strength (MPA) | Yield Strength(MPA) | Elongation(%) | Reduction In Area(%) | Impact Energy(J) | Hardness(HB) |
| ≥1080 | ≥ 930 | ≥ 12 | ≥ 45 | ≥ 63 | ≥217 |
Picutres & Application:
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