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

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

Name: 42CrMo 4142 SCM440 steel bar stock hot rolled alloy steel round bar
Brand: TISCO,BAO STEEL
Price: 650 USD

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

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

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

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

Forging		Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.
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.

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

Product Tags:

forged steel round bar

carbon steel round bars

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

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