ASTM HT30

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Description

ASTM HT30 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: ASTM HT30

Category	Type	Steel Grade
Steel Grades	Carbon Steel	ASTM HT30
		UNS J93402
		ASTM CN3MN
		UNS J94651
		ASTM CN7M
		UNS N08007
		ASTM CT15C
		ASTM HK30
		UNS J94203
		ASTM HK40
		UNS J94204

Chemical composition(mass fraction)(wt.%) of the ASTM HT30

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.25-0.35	2.5	2.0	0.04	0.04	13.0-17.0	33.0-37.0
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade ASTM HT30

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)
944 (≥)	767 (≥)	31	34	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	114

Physical Properties of steel grade ASTM HT30

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
43	-	-			0.31	-
111	192	-	41.3	341		-
665	-	43	11.2			434	222

Heat Treatment of steel grade ASTM HT30

Heat treated : 1144°C - 1748°C

Technological Curves of steel grade ASTM HT30

No Curve

Cross Reference Table (Equivalent Grade) of ASTM HT30

Grade	Standard	Country	Application
ASTM 1030	ASTM	USA	General use carbon steel bar
ASTM 1005	ASTM	USA	General use carbon steel bar
ASTM 1006	ASTM	USA	General use carbon steel bar
ASTM 1008	ASTM	USA	General use carbon steel bar
ASTM 1010	ASTM	USA	General use carbon steel bar
ASTM 1013	ASTM	USA	General use carbon steel bar
ASTM 1015	ASTM	USA	General use carbon steel bar
ASTM 1016	ASTM	USA	General use carbon steel bar
ASTM 1017	ASTM	USA	General use carbon steel bar
ASTM 1018	ASTM	USA	General use carbon steel bar
ASTM 1019	ASTM	USA	General use carbon steel bar
ASTM 1020	ASTM	USA	General use carbon steel bar
ASTM 1021	ASTM	USA	General use carbon steel bar
ASTM W1-A	ASTM	USA	Carbon tool steel
ASTM A182 F55	ASTM	USA	Super Duplex
ASTM 431	ASTM	USA	Martensitic special steel
ASTM 440A	ASTM	USA	Martensitic special steel
ASTM 440B	ASTM	USA	Martensitic special steel
ASTM 440C	ASTM	USA	Martensitic special steel
ASTM 501	ASTM	USA	Martensitic special steel

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