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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

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City:wuxi

Province/State:jiangsu

Country/Region:china

Contact Person:MrGao Ben

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China 42CrMo4 Q+T Φ25x2500mm Cold Drawn Alloy Steel Bar 42CrMo4 Normalized Quenched wholesale

42CrMo4 Q+T Φ25x2500mm Cold Drawn Alloy Steel Bar 42CrMo4 Normalized Quenched

Name: 42CrMo4 QT Φ25x2500mm Cold Drawn Alloy Steel Bar 42CrMo4 Normalized Quenched
Brand: TSING SHAN
Price: 880 USD

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Brand Name :TSING SHAN

Model Number :42CrMo4

Certification :ISO MTC SGS

Place of Origin :China

MOQ :1 Ton

Price :880 USD/TON

Payment Terms :L/C, Western Union, T/T

Supply Ability :500Tons

Delivery Time :7 Days

Packaging Details :Wooden Pallet

Steel grade :Alloy Steel

Alloy or not :Is Alloy

Technique :Hot Rolled,Cold Drawn

Type :Alloy Steel Bar

Standard :ASTM,DIN

Shape :Round

Product name :42CrMo4 qt alloy steel round bars

Heat treatment :Normalized +Annealed +Quenched + Tempered

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42CrMo Steel Specification Φ16x2500mm Cold Drawn Alloy Steel 42CrMo4 Normalized Quenched

AISI 4140 Scm440 42CrMo4 1.7225 En19 709m40 Hot Forged Alloy Round Bar Steel

1: AISI 4140 steel introduction
AISI 4140 is defined as a low alloy steel which has 1% Cr-Mo as strengthening alloy elements.Compared with AISI 4130, it has a higher carbon content with good balance of strength, toughness ,abrasion and impact resistance and heat treatment capabilities,but poor in weldability characteristics.AISI 4140 is generally supplied in quenched and tempered condition with hardness 28-32HRC

2: AISI 4140 Steel equivalent

Country	China	Japan	Germany	USA	British
Standard	GB/T 3077	JIS G4105	DIN (W-Nr.) EN 10250	AISI/ASTM ASTM A29	BS 970
Grade	42CrMo	SCM440	42crmo4/1.7225	4140	EN19/709M40

3: AISI 4140 steel chemical composition

Grade	C	Si	Mn	P	S	Cr	Mo	Ni
42CrMo	0.38-0.45	0.17-0.37	0.5-0.80	≤0.035	≤0.035	0.9-1.2	0.15-0.25	-
SCM440	0.38-0.43	0.15-0.35	0.6-0.85	≤0.035	≤0.04	0.9-1.2	0.15-0.30	-
42crmo4/1.7225	0.38-0.45	≤ 0.4	0.6-0.9	≤0.025	≤0.035	0.9-1.2	0.15-0.30	-
4140	0.38-0.43	0.15-0.35	0.75-1.00	≤0.035	≤0.04	0.8-1.1	0.15-0.25	-
EN19/709M40	0.35-0.45	0.15-0.35	0.5-0.80	≤0.035	≤0.035	0.9-1.5	0.2-0.40	-

4: AISI 4140 steel mechanical properties(for guidance only)

Grade	Tensile strength σb(MPa)	Yield strength σs (MPa)	Elongation δ5 (%)	Reduction ψ (%)	Impact Value Akv (J)	Hardness
4140	≥1080	≥930	≥12	≥45	≥63	28-32HRC

5: AISI 4140 steel overviews

Size	Round	Dia 6-1200mm
	Plate/Flat/Block	Thickness 6mm-500mm
		Width 20mm-1000mm
Heat treatment	Normalized ; Annealed ; Quenched ; Tempered
Surface condition	Black; Peeled; Polished; Machined; Grinded; Turned; Milled
Delivery condition	Forged; Hot rolled; Cold drawn
Test	Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc.
Payment terms	T/T;L/C;/Money gram/ Paypal
Trade terms	FOB; CIF; C&F; etc..
Delivery time	30-45 days
Application	AISI 4140 steel finds many applications as forgings for the aerospace,oil and gas,automotive, agricultural and defense industries etc. Typical applications for 4140 steel uses include:forged gears,spindles,fixtures,jigs,collars,Axles,conveyor parts,crow bars,logging parts,shafts,sprockets,studs,pinions,pump shafts, rams, and ring gears etc

6: Delivery condition
For hot forged or hot rolled bar, usually the delivery condition is hot forged or rolled, annealed, rough turned.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface.
For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface.

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