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STRll

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STR4 STR600
#STRll

Description

Korea KS STRll KS standard martensite heat resistant steel and STRll Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: STRll
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy STRll KS Korea KS standard martensite heat resistant steel
STR38
STR309
STR310
STR330
STR660
STR661
STR446
STRl
STR3
STR4

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.45-0.55 Max 1.00 Max 2.00 Max 0.03 Max 0.03 7.50-9.50 Max 0.60

Mechanical Properties of steel grade STRll

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
457 (≥) 379 (≥) 44 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade STRll

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
24 - -     0.44 -  
397 465 - 42.3 343   -  
271 - 34 12.2   411 141

Heat Treatment of steel grade STRll

Heat treated : 1763°C - 1461°C

Technological Curves of steel grade STRll

Cross Reference Table (Equivalent Grade) of STRll

Grade Standard Country Application
STRll KS Korea KS standard martensite heat resistant steel
STR4 STR600
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Jiangyou Longhai Special Steel Co.,Ltd.
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...

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