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Henan Bebon Iron&Steel Co.,Ltd is a steel-bar-specialized factory, located in zhengzhou city, south of henan province. Found in 2000, it takes an area of 520,000 square meters.

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4Cr10Si2Mo forged steel round bar

The material 4Cr10Si2Mo is a kind of steel under the standard GB/T 1221-1992.
The equivalent materials for 4Cr10Si2Mo are SUH3,Z40CSD10 Z45CSD10 and 40X9C2.
Characteristic:
4Cr10Si2Mo has higher heat resistance and 4Cr10Si2Mo is used for internal combustion engine intake valve, light load of engine exhaust valve, etc
4Cr10Si2Mo Chemical composition %:

Grade	Chemical composition %:
Grade	C	Si	Mn	S	P	Cr	Ni	Mo
4Cr10Si2Mo	0.35-0.45	1.9-2.6	≤0.70	≤0.030	≤0.035	9.0-10.5	≤0.60	0.7~0.9

4Cr10Si2Mo mechanical properties:

Grade	mechanical properties:
	Tensile strength σb (Mpa)	Condition yield strength σ0.2 (Mpa)	Elongation δ5/（%）	Percentage reduction of areaψ (%)	Hardness
	(Quenching and tempering) min	(Quenching and tempering) min	(Quenching and tempering) min	(Quenching and tempering) min	Annealing max
4Cr10Si2Mo	885	685	10	35	269HB

Notes:
1,4Cr10Si2Mo specification: DIA 80-1200mm(forged round bar), 80-1200mm(square bar) Length 3-16 meters
2, 4Cr10Si2Mo heat treatment: Quenching,Annealing,Normalizing and Tempering.
3, 4Cr10Si2Mo tolerance: 0-+3mm(DIA), 0-+10mm(Length)

Our company, Bebon international can produce all sizes of 4Cr10Si2Mo forged steel round bar, 4Cr10Si2Mo forged square bar, 4Cr10Si2Mo forged shafts and 4Cr10Si2Mo forged blocks.