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OD350mm Steel Round Bar SAE 4140 SCM440 Hot Rolled Forged

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OD350mm Steel Round Bar SAE 4140 SCM440 Hot Rolled Forged

Name: OD350mm Steel Round Bar SAE 4140 SCM440 Hot Rolled Forged
Brand: TISCO,BAO STEEL
Price: 650 USD

China OD350mm Steel Round Bar SAE 4140 SCM440 Hot Rolled Forged wholesale

Brand Name : TISCO,BAO STEEL

Model Number : 42CrMo / 4140 SCM440

Certification : SGS,ISO

Place of Origin : CHINA

MOQ : 3 Ton

Price : 650-900 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 : 20-520mm

length : 6-11m

type : hot rolled / cold rolled

alloy or not : alloy

grade : 42CrMo / 4140 SCM440

Technique : Hot Rolled,Forged

Delivery condition : annealed,within15 days after received the deposit

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42CrMo SCM440 Forged Steel Round Bar

Gnee is the most acclaimed manufacturer, exporter, distributor and supplier of industrial 42CRMO4 forged alloy steel round bar with required test certificates

42CrMo Forged Round Steel Bars (60MM-800MM)

Equal grade	GB	DIN	ASTM	JIS	BS	NF
Equal grade	42CrMo	1.7225	4140	SCM440	708M40	42CD4
Chemical Composition (%)	C	Cr	Si	Mo	Mn	P	S
Chemical Composition (%)	0.38-0.43	0.8-1.10	0.15-0.35	0.15-0.25	0.40-0.70	≤0.030	≤0.030

Product specification

42CrMo Forged Round Steel Bars (60MM-800MM)

a.Specification:80mm up & as client requrement

b. Length:3m-5.8m

c.Technique:Forged

d.smelting processing:EAF+LF+VD

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.

OD350mm Steel Round Bar SAE 4140 SCM440 Hot Rolled Forged

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OD350mm Steel Round Bar SAE 4140 SCM440 Hot Rolled Forged

OD350mm Steel Round Bar SAE 4140 SCM440 Hot Rolled Forged

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