JIS SCCrM 3

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#JIS #SCCrM #3

Description

JIS JIS SCCrM 3 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: JIS SCCrM 3

Category	Type	Steel Grade	Standard
Steel Grades	Alloy Steel	JIS SCCrM 3	JIS
		AFNOR 42 C 2
		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

Chemical composition(mass fraction)(wt.%) of the JIS SCCrM 3

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 SCCrM 3

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)
649 (≥)	666 (≥)	23	22	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	334

Physical Properties of steel grade JIS SCCrM 3

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
31	-	-			0.43	-
535	821	-	12.3	211		-
512	-	41	43.2			234	112

Heat Treatment of steel grade JIS SCCrM 3

Heat treated : 1529°C - 1398°C

Technological Curves of steel grade JIS SCCrM 3

No Curve

Cross Reference Table (Equivalent Grade) of JIS SCCrM 3

Grade	Standard	Country	Application
Q235		China	Engineering and welding
Q235 B		China	Engineering and welding
Q235 C		China	Engineering and welding
Q235 D		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 1013	ASTM	USA	General use carbon steel bar
UNS G10130	UNS	USA	General use carbon steel bar
T13		China	Carbon tool steel
5Cr3Mn1SiMo1V		China	Alloy tool steel - Impact resistance tool steel
3Cr2W8V		China	Alloy tool steel - hot-work die steel
5Cr4Mo3SiMnVA1		China	Alloy tool steel - hot-work die steel
3Cr3Mo3W2V		China	Alloy tool steel - hot-work die steel
8Cr3		China	Alloy tool steel - hot-work die steel
4Cr3Mo3SiV		China	Alloy tool steel - hot-work die steel
7Mn15Cr2A13V2WMo		China	Alloy tool steel - Without magnetic steel mold

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