Home»Grades > Special Alloy > STR616
STR616Application:KS standard martensite heat resistant steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy STR616KSKorea

Chemical composition%of the ladle analysis of gradeSTR616

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)V(%)W(%)
0.20-0.25Max 0.500.50-1.00Max 0.04Max 0.0311.0-13.00.50-1.000.75-1.250.20-0.300.75-1.25
KS standard martensite heat resistant steel
Mechanical properties of gradeSTR616
Proof strength
Rp0.2(MPa)
Tensile strength
Rm(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated ConditionBrinell hardness(HBW)
545(≥)932(≥)114312Solution and Aging,Annealing,Ausaging,Q+T,etc434
Physical properties of gradeSTR616
PropertyDensity
kg/dm3
Temperature T
°C/F
Specific heat
J/kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
143(≥)351(≥)243424Solution and Aging,Annealing,Ausaging,Q+T,etc321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
724543627
STR616Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
STR616KSKorea
Heat - resisting steel bars

Enquiry