JIS SCM 1

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Description

JIS JIS SCM 1 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: JIS SCM 1

Category	Type	Steel Grade	Standard
Steel Grades	Alloy Steel	JIS SCM 1	JIS
		AFNOR 42 C 4
		AFNOR 42 CD 4
		AFNOR 45 C 2
		AFNOR 50 CV 4
		AFNOR 55 C 3
		AFNOR 55 S 7
		AFNOR 60 S 7
		AFNOR 61 SC 7
		JIS SCCrM 1
		JIS SCCrM 3

Chemical composition(mass fraction)(wt.%) of the JIS SCM 1

Element	Weight %
C	0.33-0.38
Mn	0.70-0.90
P	0.035 (max)
S	0.04 (max)
Si	0.15-0.30
Cr	0.30-1.10
Mo	0.15-0.25

Mechanical Properties of steel grade JIS SCM 1

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)
551 (≥)	964 (≥)	34	12	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	244

Physical Properties of steel grade JIS SCM 1

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
12	-	-			0.31	-
582	317	-	24.3	133		-
444	-	34	24.2			212	112

Heat Treatment of steel grade JIS SCM 1

Heat treated : 1197°C - 1711°C

Technological Curves of steel grade JIS SCM 1

No Curve

Cross Reference Table (Equivalent Grade) of JIS SCM 1

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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