Seamless Steel Tubes for Hydraulic Prop (GB/T 17396 30MnNbRe

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Description: Seamless Steel Tubes for Hydraulic Prop (GB/T 17396 30MnNbRe) Commdity name: Seamless Steel Tubes for Hydraulic Prop Standard: China National Standard Uses: For manufacturing cylinder and piston of hydraulic props for coal mine

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Description:

Seamless Steel Tubes for Hydraulic Prop (GB/T 17396 30MnNbRe)

Commdity name: Seamless Steel Tubes for Hydraulic Prop
Standard:
China National Standard
Uses:
For manufacturing cylinder and piston of hydraulic props for coal mine or other purposes
Size: As agreement
Package type: In bundle with Plastic protective film
Chemical Composition and Mechanical Properties pls check our excell as below,

Standard	Grade	C	SI	MN	P	S	CR	NI	CU
GB/T 17396	30MnNbRe	0.27-0.36	0.50~0.80	1.10~1.40	≤0.035	≤0.035	≤0.030	≤0.030	≤0.030
Mechanical Properties
Grade	Test piece with heat treatment	Yield strength	Tensile strength	Elongation	Impact energy	HBW
		/not less than
30MnNbRe	880 centigrade±20 centigrade/Water quench	850	725	13	49	-
	450 centigrade±50 centigrade/Temper
	/Cooling: air

Jiangsu Haohua Industry Group

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Seamless Steel Tubes for Hydraulic Prop (GB/T 17396 30MnNbRe

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