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LJ
Product Description:
We are specialized in manufacturing different type of large mechanical products according to engineer drawings.
The products include gears, pinions, sprockets, shafts, wheels, rollers, couplings, pulleys, housings ,frames, molds, nonstandard machinery parts, wear resistant parts and structural components.
Largest OD | 8000mm |
Largest Weight | 15000kg |
Surface Finish | 3.2um Ra Or As Required |
Forging Reduction Min | 3.1 Or As Required |
Forged Steel Ring Application | Gear/Transmission,Metallurgy Field,Oi1&Gas Field,Ship-buil ding,Wind Energy,Chemi stry/PRV&Pipe,Mining,Sugar Plant Machinery,Construction,Power Generation/Motors and Others |
18CrMo4 (1.7243) alloy structure steel has good process performance and welding performance, and has a high persistence at 500 ~ 550 ° C. When the temperature exceeds 550 ° C, the antioxidant performance deteriorates, and the peristaltic strength is significantly reduced. When it is 500 ~ 550 ° C for a long time, the thermal strength of 18CrMo4 steel is reduced and the strength is reduced. 18CrMo4 is used to create a high, high-pressure steam catheter, set and tube wall temperature of 550 ° C at 510 ° C
Chemical Composition(%)
C | Si | Mn | S | P | Cr | Ni | Cu | Mo |
0.15~0.21 | ≤0.40 | 0.60~0.90 | ≤0.035 | ≤0.035 | 0.90~1.20 | ≤0.030 | ≤0.030 | 0.15~0.25 |
Mechanical Property
Tensile Strength σb (MPa) | Yield Strength σs (MPa) | Elongation δ5 (%) | Reduction ψ (%) | Impact Akv (J) | HB |
≥440(45) | ≥295(30) | ≥22 | ≥60 | ≥94 | ≤179 |
Product Description:
We are specialized in manufacturing different type of large mechanical products according to engineer drawings.
The products include gears, pinions, sprockets, shafts, wheels, rollers, couplings, pulleys, housings ,frames, molds, nonstandard machinery parts, wear resistant parts and structural components.
Largest OD | 8000mm |
Largest Weight | 15000kg |
Surface Finish | 3.2um Ra Or As Required |
Forging Reduction Min | 3.1 Or As Required |
Forged Steel Ring Application | Gear/Transmission,Metallurgy Field,Oi1&Gas Field,Ship-buil ding,Wind Energy,Chemi stry/PRV&Pipe,Mining,Sugar Plant Machinery,Construction,Power Generation/Motors and Others |
18CrMo4 (1.7243) alloy structure steel has good process performance and welding performance, and has a high persistence at 500 ~ 550 ° C. When the temperature exceeds 550 ° C, the antioxidant performance deteriorates, and the peristaltic strength is significantly reduced. When it is 500 ~ 550 ° C for a long time, the thermal strength of 18CrMo4 steel is reduced and the strength is reduced. 18CrMo4 is used to create a high, high-pressure steam catheter, set and tube wall temperature of 550 ° C at 510 ° C
Chemical Composition(%)
C | Si | Mn | S | P | Cr | Ni | Cu | Mo |
0.15~0.21 | ≤0.40 | 0.60~0.90 | ≤0.035 | ≤0.035 | 0.90~1.20 | ≤0.030 | ≤0.030 | 0.15~0.25 |
Mechanical Property
Tensile Strength σb (MPa) | Yield Strength σs (MPa) | Elongation δ5 (%) | Reduction ψ (%) | Impact Akv (J) | HB |
≥440(45) | ≥295(30) | ≥22 | ≥60 | ≥94 | ≤179 |