RA 85H

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#RA #85H

Description

RA 85H High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: RA 85H

Category	Type	Steel Grade
Steel Grades	High Alloy	RA 85H
		Pyromet CTX-909
		Pyromet X-15
		Pyromet X-23
		Pyrotool V
		Pyrowear 53
		Pyrowear 675
		R-20
		R 35
		R 39
		R-235

Chemical composition(mass fraction)(wt.%) of the RA 85H

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.16-0.24	3.2-4	2	0.03	0.03	17-19.5	13.5-16
Mo	Al	Cu	Nb	Ti	V	Ce
	0.8-1.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade RA 85H

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)
926 (≥)	794 (≥)	42	24	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	241

Physical Properties of steel grade RA 85H

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
41	-	-			0.44	-
592	452	-	12.3	424		-
642	-	34	24.2			442	422

Heat Treatment of steel grade RA 85H

Heat treated : 1728°C - 1957°C

Technological Curves of steel grade RA 85H

No Curve

Cross Reference Table (Equivalent Grade) of RA 85H

Grade	Standard	Country	Application
Uranus50	UNS	USA	Dual-phase steel
Uranus50	UNS	USA	Dual-phase steel
erralium255	UNS	USA	Dual-phase steel
erralium255	UNS	USA	Dual-phase steel
Valray1	AISI	USA	Martensitic special steel
X2NiCrAITi32-20	DIN	Germany	Stainless steel
X10CrAISi7/X10CrAI7	DIN	Germany	Stainless steel
X10CrAISi13/X10CrAI13	DIN	Germany	Martensitic special steel
X10CrAISi18/X10CrAI18	DIN	Germany	Stainless steel
X10CrAISi25/X10CrAI24	DIN	Germany	Stainless steel
X10NiCrAITi32-21(20)	DIN	Germany	Stainless steel
X5NiCrAlTi31-20	DIN	Germany	The high-temperature and high-strength steel
X8NiCrAlTi32-21	DIN	Germany	The high-temperature and high-strength steel
X6CrAl13	AFNOR	France	Ferritic
X2CrAlTi18-2	AFNOR	France	Ferritic
ASTM A335 GRADE P9	ASTM	USA	Seamless Ferritic Alloy Steel Pipe for High-Temperature Service
ASTM A335 GRADE P91	ASTM	USA	Seamless Ferritic Alloy Steel Pipe for High-Temperature Service
ASTM A335 GRADE P92	AMS	USA	Seamless Ferritic Alloy Steel Pipe for High-Temperature Service
ASTM Grade N1	ASTM	USA
ASTM Grade N2	ASTM	USA

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