Forged Square Bar,Alloy Steel Bar,Solid Steel Bar 4140
Grade:4140
Process: Forged from vacuum degassed ingots.
Shape: Round /Square/Plat/shaft/block
Chemical composition:
C | Si | Mn | P | S | Cr | Ni | Mo | Cu | Al | V |
0.38/0.45 |
0.17/0.35 |
0.6/0.8 |
max.0.03 |
max.0.03 |
0.9/1.2 |
max.0.2 |
0.15/0.25 |
max.0.3 |
0.02/0.05 |
max.0.05 |
Material: | 4140 forged steel round bar Or square bar |
Process: | Forged from vacuum degassed ingots. |
Diameter: | 130mm-1000mm (optional) |
Length: | 1000mm-12000mm Straightness: 3mm/M max(optional) |
Process: | EAF + LF + VD + Forged + Heat Treatment (optional) |
Delivery condition: | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
Delivery Time: | 30-45 days |
MOQ: | 15 tons |
Heat treatment: | Normalized / Annealed / Quenched / tempered (optional) |
Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
Properties: | As your request |
Test: | Ultrasonic test according to SEP 1921-84 Class C/c and D/d (optional) |
Marking: | Grade, heat NO. length will be stamped one each bar with required color |
Payment: | 30% advance by TT; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
similar steel grade | 4140/SCM440/SAE4140/42CRMo/42CrMo4/En19/42CrMoS4 |
Application: | Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears. |
