STR38

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#STR38

Description

Korea KS D 3731 (2002), STR38 Specialsteel Heat - resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STR38

Category	Class	Grade	Type	Standard	Country	Application
Steel Grades	Specialsteel	STR38	Austenite	KS	Korea	Heat - resisting steel bars

Chemical composition(mass fraction)(wt.%) of the STR38

C	Si	Mn	P	S	Cr	Ni	Mo	N	B
0.25 -0.35	≤1.00	≤1.20	0.18 -0.25	≤0.030	19.00 -21.00	10.00 -12.00	1.80 -2.50	≤ ≥	0.001 -0.010

Mechanical Properties of steel grade STR38

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)
713 (≥)	365 (≥)	12	11	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	114

Physical Properties of steel grade STR38

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
23	-	-			0.21	-
873	973	-	14.3	113		-
585	-	34	11.2			132	314

Heat Treatment of steel grade STR38

Heat treated : 1378°C - 1226°C

Technological Curves of steel grade STR38

No Curve

Relevant standard of STR38

D 3731 (2002)

Heat - resisting steel bars

D-3731-(2002).pdf

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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