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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Jiangsu Mittel Steel Industrial Limited Supply all kinds of Stainless Steel Sheet/Plate/Coil/Round ,Flat ,Angle bar/stainless steel seamless pipe /welded pipe /Elbow/Flange /Galvanized Steel sheet
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42CrMo / 4142 SCM440 steel bar stock , hot rolled alloy steel round bar

42CrMo / 4142 SCM440 steel bar stock , hot rolled alloy steel round bar

Brand Name : TISCO,BAO STEEL
Model Number : 42CrMo / 4142 SCM440
Certification : SGS,ISO
Place of Origin : CHINA
MOQ : 25 Ton
Price : 650-800 USD/Ton
Payment Terms : T/T or L/C
Supply Ability : 5000 Tons every month
Delivery Time : 7 days
Packaging Details : Export packing
name : steel round bar
Dia : 20-420mm
length : 6-11m
type : hot rolled / cold rolled
alloy or not : alloy
grade : 42CrMo / 4142 SCM440
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42CrMo / 4142 SCM440 steel bar stock , hot rolled alloy steel round bar

Specifications

42CrMo / 4140 Steel Round Bar

ISO9001 certified
Flexible MOQ
Prompt delivery stock within 7days

MTC DIN10204 3.1/3.2


Equivalent grades

GBDINAISIJIS
42CrMo1.72254140SCM440

Chemical Composition

CSiMnCrMoPS
0.38-0.430.40max0.60-0.900.90-1.200.15-0.300.0350.035

Available size

Round steel bar 60-800mm
Flat steel bar 25-400mm*200-800mm

Surface condition

Black surface/ Grinded/ Machined

Hardness

Annealed HBS 217 max

CharacteristicsApplications

42CrMo / 4140 Steel Round Bar is used to producecomponents with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering .

Heat treatment

ForgingHeat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.
AnnealingHeat to 830°C-850°C.Cool in furnace.
NormalisingHeat to 870°C-900°C.Cool in still air.
Stress RelievingAnnealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air.
HardeningHeat to 830°C-880°C. Quench in oil or polymer.
TemperingHeat 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.


Product Tags:

forged steel round bar

      

carbon steel round bars

      
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