Rex 734

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#Rex # #734

Description

Rex 734 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Rex 734

Category	Type	Steel Grade
Steel Grades	High Alloy	Rex 734
		Rene 95
		RESISTOHM alloy 30
		RESISTOHM alloy 40
		RESISTOHM alloy 60
		RESISTOHM alloy 70
		RESISTOHM alloy 125
		RESISTOHM alloy 135
		RESISTOHM alloy 140
		RESISTOHM alloy 145
		RESISTOHM alloy Y

Chemical composition(mass fraction)(wt.%) of the Rex 734

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.06	0.5	4			21.5	9.5
Mo	Al	Cu	Nb	Ti	V	Ce
2.8			0.3
N	Co	Pb	B	Other
0.4

Mechanical Properties of steel grade Rex 734

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
237 (≥)	773 (≥)	31	21	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	131

Physical Properties of steel grade Rex 734

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
22	-	-			0.32	-
718	892	-	23.3	332		-
377	-	43	34.2			323	242

Heat Treatment of steel grade Rex 734

Heat treated : 1781°C - 1811°C

Technological Curves of steel grade Rex 734

No Curve

Cross Reference Table (Equivalent Grade) of Rex 734

Grade	Standard	Country	Application
CPM Rex M2HCHS	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex M3	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex M4	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex M4HS	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex M35HCHS	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex M42	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex 45	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex 45HS	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex 20	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex 25	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex T15	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex T15HS	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex 76	AISI	USA	Powder metallurgy high-speed tool steel
CPM Rex 76HS	AISI	USA	Powder metallurgy high-speed tool steel
Q195		China	Engineering and welding
Q215		China	Engineering and welding
Q215 B		China	Engineering and welding
Q235		China	Engineering and welding
Q235 B		China	Engineering and welding
Q235 C		China	Engineering and welding

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Rfq.: sales@longhaisteel.com

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