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S41050 Application:Martensitic special steel
Category Type Steel grade Standard Country
Grades Special Alloy S41050 UNS USA

Chemical composition % of the ladle analysis of grade S41050

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) N(%)
0.04 1 1 Max 0.045 Max 0.03 10.5-12.5 0.60-1.10 0.10
S41050
Mechanical properties of grade S41050
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)
428 (≥) 458 (≥) 12 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Physical properties of grade S41050
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
918 (≥) 774 (≥) 41 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
395 223 555
S41050 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
A 176 S41050 UNS USA
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 240 S41050 UNS USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 959 S41050 UNS USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S41050 UNS USA
Ferritic Chromium Stainless Steel with Nickel
SA-240 S41050 UNS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

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