JIS SCr 2 H

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Description

JIS JIS SCr 2 H Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: JIS SCr 2 H

Category	Type	Steel Grade	Standard
Steel Grades	Alloy Steel	JIS SCr 2 H	JIS
		JIS SCM 1
		JIS SCM 2
		JIS SCM 4
		JIS SCM 4 H
		JIS SCM 5
		JIS SCM 5 H
		JIS SCMn 2
		JIS SCMn 3
		JIS SCPH 11
		JIS SCr 2

Chemical composition(mass fraction)(wt.%) of the JIS SCr 2 H

Element	Weight %
C	0.27-0.33
Mn	0.60-1.10
Cr	0.75-1.20
P	0.035
S	0.040
Si	0.15-0.30

Mechanical Properties of steel grade JIS SCr 2 H

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)
449 (≥)	527 (≥)	23	13	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	214

Physical Properties of steel grade JIS SCr 2 H

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
32	-	-			0.21	-
219	273	-	22.3	423		-
261	-	21	12.2			432	423

Heat Treatment of steel grade JIS SCr 2 H

Heat treated : 1285°C - 1736°C

Technological Curves of steel grade JIS SCr 2 H

No Curve

Cross Reference Table (Equivalent Grade) of JIS SCr 2 H

Grade	Standard	Country	Application
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
Q235 D		China	Engineering and welding
Q255 A		China	Engineering and welding
Q255 B		China	Engineering and welding
Q275		China	Engineering and welding
Q235q C		China	Bridge structure with steel
Q235q D		China	Bridge structure with steel
Q345q E		China	Bridge structure with steel
Q345q C		China	Bridge structure with steel
ASTM 1030	ASTM	USA	General use carbon steel bar
UNS G10300	UNS	USA	General use carbon steel bar
ASTM 1005	ASTM	USA	General use carbon steel bar
UNS G10050	UNS	USA	General use carbon steel bar
ASTM 1006	ASTM	USA	General use carbon steel bar
UNS G10060	UNS	USA	General use carbon steel bar

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