STR37

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#STR37

Description

Korea KS D 3731 (2002), STR37 Specialsteel Heat - resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STR37

Category	Class	Grade	Type	Standard	Country	Application
Steel Grades	Specialsteel	STR37	Austenite	KS	Korea	Heat - resisting steel bars

Chemical composition(mass fraction)(wt.%) of the STR37

C	Si	Mn	P	S	Cr	Ni	Mo	N
0.15 -0.25	≤1.00	1.00 -1.60	≤0.040	≤0.030	20.50 -22.50	10.00 -12.00	≤ ≥	0.15 -0.30

Mechanical Properties of steel grade STR37

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)
495 (≥)	997 (≥)	33	14	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade STR37

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
22	-	-			0.13	-
177	666	-	24.3	344		-
426	-	44	32.2			134	411

Heat Treatment of steel grade STR37

Heat treated : 1218°C - 1121°C

Technological Curves of steel grade STR37

No Curve

Relevant standard of STR37

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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