Armco High-Strength C-70

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#Armco #High-Strength # # #C-70

Description

Armco High-Strength C-70 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: Armco High-Strength C-70

Category	Type	Steel Grade
Steel Grades	Carbon Steel	Armco High-Strength C-70
		Algotuf 60A
		Algotuf 70
		Algoma 50R
		Armco High-Strength A242
		Armco High-Strength A588
		Armco High-Strength C-45
		Armco High-Strength C-50
		Armco High-Strength C-55
		Armco High-Strength C-60
		Armco High-Strength C-65

Chemical composition(mass fraction)(wt.%) of the Armco High-Strength C-70

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.23	0.3	1.35
Mo	Al	Cu	Nb	Ti	V	Ce
			0.005-0.05		0.01-0.1
N	Co	Pb	B	Other

Mechanical Properties of steel grade Armco High-Strength C-70

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)
836 (≥)	724 (≥)	12	42	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	214

Physical Properties of steel grade Armco High-Strength C-70

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
44	-	-			0.34	-
549	852	-	24.3	411		-
373	-	23	31.2			343	413

Heat Treatment of steel grade Armco High-Strength C-70

Heat treated : 1646°C - 1358°C

Technological Curves of steel grade Armco High-Strength C-70

No Curve

Cross Reference Table (Equivalent Grade) of Armco High-Strength C-70

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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