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DIN 1.7243 708M20 18CrMo4 Steel Equivalent Aisi Alloy Structural Steel Bar Hardening ASTM 4118

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DIN 1.7243 708M20 18CrMo4 Steel Equivalent Aisi Alloy Structural Steel Bar Hardening ASTM 4118

Name: DIN 17243 708M20 18CrMo4 Steel Equivalent Aisi Alloy Structural Steel Bar Hardening ASTM 4118
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 : 18CrMo4 Alloy Structural Steel 6.0mm-1200mm

Length : 2.5m-10m

Material : 12Cr1MoV

Diameter : 6.0mm-1200mm

Characteristic : High antioxidant and thermal strength

Shape : Round Bar

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18CrMo4 Alloy Structural Steel 6.0mm-1200mm Round Bar

When the temperature exceeds 550 ℃, the oxidation resistance becomes worse and the creep strength decreases significantly. When the temperature is 500~550 ℃ for a long time, the thermal strength and strength of 18CrMo4 steel decrease.18CrMo4 (1.7243) alloy structural steel has good technological properties and weldability, and has high endurance strength at 500~550 ℃.

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	S	P	Cr	Ni	Cu	Mo
18CrMo4	0.15～0.21	≤0.40	0.60～0.90	≤0.035	≤0.035	0.90～1.20	≤0.030	≤0.030	0.15～0.25

Brand comparison table

AISI/SAE	DIN/EN	BS	JIS/KS	China
/	18CrMo4(1.7243)	18CrMo4(1.7243)	SCM415	15CrMo

Mechanical Property

tensile strength σb (MPa)	≥440(45)
yield strength σs (MPa	≥295(30)
elongation δ5 (%)	≤22
Reduction of area ψ (%)	≥60
Impact absorbed energy(Aku2/J)	≥94
Impact toughness value αkv (J/cm2)	≥118(12)
Sample size	30mm
Brinell hardness(HBS100/3000)	≤179HB

DIN 1.7243 708M20 18CrMo4 Steel Equivalent Aisi Alloy Structural Steel Bar Hardening ASTM 4118

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