CRB-7

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#CRB-7

Description

CRB-7 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: CRB-7

Category	Type	Steel Grade
Steel Grades	High Alloy	CRB-7
		Chromwear 300
		CMN
		Cobalt Ascoloy
		Co Free 250
		Co Free 300
		Corrpsalloy CD4MCu
		Corrosist D
		Corrosist IL
		Cr 15
		Cromifer 2803 Mo

Chemical composition(mass fraction)(wt.%) of the CRB-7

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
1.10	0.3	0.4			14
Mo	Al	Cu	Nb	Ti	V	Ce
2					1
N	Co	Pb	B	Other
				Nb/Ta 0.25 Fe...

Mechanical Properties of steel grade CRB-7

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)
591 (≥)	287 (≥)	31	34	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	143

Physical Properties of steel grade CRB-7

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
14	-	-			0.24	-
683	178	-	14.3	332		-
396	-	34	33.2			112	222

Heat Treatment of steel grade CRB-7

Heat treated : 1384°C - 1386°C

Technological Curves of steel grade CRB-7

No Curve

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy