STR1

Favorite Datasheet

#STR1

Description

Korea KS D 3731 (2002), STR1 Specialsteel Heat - resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STR1

Category	Class	Grade	Type	Standard	Country	Application
Steel Grades	Specialsteel	STR1	Martensite	KS	Korea	Heat - resisting steel bars

Chemical composition(mass fraction)(wt.%) of the STR1

C	Si	Mn	P	S	Cr	Ni	Mo	N	Cu
0.40 -0.50	3.00 -3.50	≤0.60	≤0.03	≤0.03	7.50 -9.50	≤ ≥	≤ ≥	≤ ≥	≤0.30

Mechanical Properties of steel grade STR1

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)
767 (≥)	973 (≥)	24	22	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	244

Physical Properties of steel grade STR1

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
41	-	-			0.13	-
386	868	-	21.3	241		-
696	-	32	22.2			444	412

Heat Treatment of steel grade STR1

Heat treated : 1872°C - 1651°C

Technological Curves of steel grade STR1

No Curve

Relevant standard of STR1

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

Do you supply this STR1?
List your company on S&G now? Join
Non-paying users only

Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy