1.0909

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#1.0909

Description

DIN 1.0909 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 1.0909

Category	Type	Steel Grade	Standard
Steel Grades	Alloy Steel	1.0909	DIN
		JIS SMn 1 H
		JIS SMn 2
		JIS SMn 2 H
		JIS SNCM 21
		JIS SNCM 21 H
		JIS SNCM 8
		JIS SUP 10
		JIS SUP 11
		JIS S 15 CK
		1.0904

Chemical composition(mass fraction)(wt.%) of the 1.0909

Element	Weight %
C	0.56-0.64
Mn	0.75-1.00
P	0.035 (max)
S	0.04 (max)
Si	1.80-2.20

Mechanical Properties of steel grade 1.0909

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)
869 (≥)	776 (≥)	14	23	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	423

Physical Properties of steel grade 1.0909

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
13	-	-			0.34	-
739	421	-	41.3	431		-
131	-	41	43.2			444	411

Heat Treatment of steel grade 1.0909

Heat treated : 1135°C - 1662°C

Technological Curves of steel grade 1.0909

No Curve

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