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

Categories 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

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.

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