JIS SUP 4

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Description

JIS JIS SUP 4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: JIS SUP 4

Category	Type	Steel Grade	Standard
Steel Grades	Carbon Steel	JIS SUP 4	JIS
		JIS S15C
		JIS S17C
		JIS S1OC
		JIS S2OC
		JIS S9CK
		JIS SMnC 21
		JIS SUM 21
		JIS SUM 22
		JIS SUM 22 L
		JIS SUM 24 L

Chemical composition(mass fraction)(wt.%) of the JIS SUP 4

Element	Weight %
C	0.90-1.03
Mn	0.30-0.50
P	0.04 (max)
S	0.05 (max)

Mechanical Properties of steel grade JIS SUP 4

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)
889 (≥)	224 (≥)	14	33	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade JIS SUP 4

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	-	-			0.11	-
716	245	-	33.3	334		-
824	-	32	33.2			424	424

Heat Treatment of steel grade JIS SUP 4

Heat treated : 1963°C - 1148°C

Technological Curves of steel grade JIS SUP 4

No Curve

Cross Reference Table (Equivalent Grade) of JIS SUP 4

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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