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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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35SiMn steel bar

Thematerial 35SiMn is a kind of structural alloy steel under the standard GB/T 3077-1988.
35SiMn Chemical composition %:

Grade	Chemical composition %:
Grade	C	Si	Mn	S	P	Cr	Ni	Cu
35SiMn	0.32-0.40	1.10-1.40	1.10-1.40	≤0.035	≤0.035	≤0.30	≤0.30	≤0.30

35SiMn mechanical properties:

Grade	mechanical properties:
	Tensile strength σb (Mpa)	Yield strength σb (Mpa)	Elongation σb (%)	reduction of area ψ (%)	Hardness No heat treatment	Impact AKv(J)	Notched bar impact strength kv (J/cm2)
	min	min	min	min	max	min	min
35SiMn	885(90)	735(75)	15	45	229HB	47	59(6)

Notes:
1,35SiMn specification: DIA 80-1200mm(forged round bar), 80-1200mm(square bar) Length 3-16 meters
2,35SiMn heat treatment: Quenching,Annealing,Normalizing and Tempering.
3,35SiMn forged round bar tolerance: 0-+3mm(DIA), 0-+10mm(Length)

35SiMn is a kind of good performance, economical alloy quenched and tempered steel. After quenched and tempered, 35SiMn material has high strength and wear resistance. Also 35SiMn has good toughness and strength of hardships and stand hard work. 35SiMn’s machinability is better also, cold deformation and plastic is medium.

The product of 35SiMn is widely used for bolt, nut, screw,tie rod,small shaft and the brake machine gears.