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A507 A29 ASTM 4118 Alloy Structural Steel UNS G41180 High Yield Strength Toughness

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A507 A29 ASTM 4118 Alloy Structural Steel UNS G41180 High Yield Strength Toughness

Name: A507 A29 ASTM 4118 Alloy Structural Steel UNS G41180 High Yield Strength Toughness
Brand: Zhanlu
Price: 1 USD

Brand Name : Zhanlu

Model Number : Round Bar

Place of Origin : China

MOQ : Consultation

Price : Consultation

Payment Terms : L/C, T/T

Supply Ability : Consulting service

Delivery Time : 5-8 workdays

Packaging Details : Conventional packaging

Name : ASTM 4118 Alloy Structural Steel

Length : 2.5m-10m

Material : ASTM 4118

Diameter : 6.0mm-1200mm

Characteristic : Very high strength and toughness

Shape : Round Bar

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ASTM 4118 Alloy Structural Steel 6.0mm-1200mm Very High Strength And Toughness

ASTM4118 has high hardenability, no temper brittleness, good weldability, little tendency to form cold crack, good machinability and cold strain plasticity. ASTM4118 is generally used in quenched and tempered or carburized and quenched conditions, and is used to manufacture high-pressure pipes and various fasteners, and higher carburized parts, such as gears and shafts, which work in non-corrosive media and media with a working temperature of less than 250 ℃ and containing nitrogen and hydrogen mixture.

Supply Form & Size

Form of Supply	Size(mm)	Length(mm)
Round bar	6.0mm-1200mm	2.5m-10m

Chemical Composition&Related Specifications

Grade	C	Si	Mn	P	S	Cr	Mo
4118	0.18～0.23	0.15～0.35	0.70～0.90	≤0.035	≤0.040	0.40～0.60	0.08～0.15

Brand comparison table

AISI/SAE	DIN/EN	BS	JIS/KS	China
4118	18CrMo4(1.7243)	18CrMo4(1.7243)	SCM420	20CrMo

Mechanical Property

tensile strength σb (MPa)	≥885(90)
yield strengthσs (MPa)	≥685(70)
elongation δ5 (%)	≥12
Reduction of area ψ (%)	≥50
Impact energy Akv (J)	≥78
Impact toughness value αkv (J/cm2)	≥98(10)
hardness	≤197HB

A507 A29 ASTM 4118 Alloy Structural Steel UNS G41180 High Yield Strength Toughness

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