Get Appoinment
Location » Home » Grades > Special Alloy > STS431

KS STS431 Enquiry | Print this page

STS431 Application:martensitic steel
Category Type Steel grade Standard Country
Grades Special Alloy STS431 KS Korea

Chemical composition % of the ladle analysis of grade STS431

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
Max 0.20 Max 1.00 Max 1.00 Max 0.04 Max 0.03 15.O-17.0 1.25-2.50
STS431
Mechanical properties of grade STS431
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 Condition Brinell hardness (HBW)
773 (≥) 955 (≥) 43 14 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Physical properties of grade STS431
Property Density
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
169 (≥) 366 (≥) 11 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 114
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
516 136 975
STS431 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
STS431 KS Korea
Stainless steel bars
STS431FB KS Korea
Stainless steel blooms and billets for forgings

Enquiry