DIN 1.7220

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#DIN # #1.7220

Description

DIN DIN 1.7220 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: DIN 1.7220

Category	Type	Steel Grade	Standard
Steel Grades	Alloy Steel	DIN 1.7220	DIN
		DIN 1.7006
		1.7007
		DIN 1.7030
		DIN 1.7033
		DIN 1.7034
		DIN 1.7035
		DIN 1.7138
		DIN 1.7147
		DIN 1.7176
		DIN 1.7218

Chemical composition(mass fraction)(wt.%) of the DIN 1.7220

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 DIN 1.7220

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)
982 (≥)	156 (≥)	12	11	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	341

Physical Properties of steel grade DIN 1.7220

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
11	-	-			0.43	-
981	413	-	33.3	132		-
586	-	23	42.2			411	342

Heat Treatment of steel grade DIN 1.7220

Heat treated : 1626°C - 1194°C

Technological Curves of steel grade DIN 1.7220

No Curve

Cross Reference Table (Equivalent Grade) of DIN 1.7220

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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