MachineU > China Products > Minerals & Metallurgy > Carbon Steel > Long Steel Products > Steel Round Bars
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
Specifications
MOQ :
1 Ton
Price :
US $630-1,250 / Ton
Model NO. :
42CrMo4 4140
Surface Treatment :
Polished
Alloy Type :
Alloy
Diameter Range :
OD 6-630mm
Production Capacity :
500tons
Chemical Composition C :
0.38-0.43
Chemical Composition Si :
0.40max
Chemical Composition Mn :
0.60-0.90
Chemical Composition Cr :
0.90-1.20
Chemical Composition Mo :
0.15-0.30
Chemical Composition P :
≤0.035
Chemical Composition S :
≤0.035
Hardness Annealed :
HBS 217 max
Round Bar Size :
60-800mm
Flat Bar Size :
25-400mm*200-800mm
Description
Forged Alloy Steel Round Bar 42CrMo4 / 4140

42CrMo / 4142 SCM440 steel bar stock, hot rolled alloy steel round bar manufactured to ISO9001 standards with flexible MOQ and prompt delivery within 7 days from stock. Material test certificates available per DIN10204 3.1/3.2.

Equivalent Grades
GB DIN AISI JIS
42CrMo 1.7225 4140 SCM440
Chemical Composition
C Si Mn Cr Mo P S
0.38-0.43 0.40max 0.60-0.90 0.90-1.20 0.15-0.30 ≤0.035 ≤0.035
Product Specifications
Available Sizes
  • Round steel bar: 60-800mm
  • Flat steel bar: 25-400mm × 200-800mm
Surface Condition
  • Black surface
  • Grinded
  • Machined
Hardness
  • Annealed HBS 217 max
Applications

42CrMo / 4140 Steel Round Bar is used to produce components with high requirements on toughness, including gear wheels, pinions, connecting rods, and parts for mechanical engineering applications.

Heat Treatment Guidelines
Process Specifications
Forging Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C. Cool slowly in ashes or sand.
Annealing Heat to 830°C-850°C. Cool in furnace.
Normalising Heat to 870°C-900°C. Cool in still air.
Stress Relieving Annealed: Heat to 600°C-650°C. Hardened: Heat to 500°C-550°C. Cool in still air.
Hardening Heat to 830°C-880°C. Quench in oil or polymer.
Tempering Heat to 450°C-700°C cool in still air. NB. Tempering within the range 200°C-420°C will result in temper brittleness and should be avoided.
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications 42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
Send your message to this supplier
Send Now

42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications

Ask Latest Price
Product Detail
MOQ :
1 Ton
Price :
US $630-1,250 / Ton
Model NO. :
42CrMo4 4140
Surface Treatment :
Polished
Alloy Type :
Alloy
Diameter Range :
OD 6-630mm
Contact Supplier
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications
42CrMo4 4140 Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High Toughness Applications

JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Verified Supplier
4 Years
jiangsu, wuxi
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter
Main Products :
stainless steel roofing sheet, Stainless Steel Strip, Others stainless steel sheet
Total Annual :
>1000000
Employee Number :
>100
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Steel Round Bar
MachineU China Products Minerals & Metallurgy Carbon Steel Long Steel Products Steel Round Bars
Contact Supplier
Submit Requirement