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SAE R-235 Details

SAE R-235 Standard Download

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R-235 Application:Special Purpose Alloys ("Superalloys")

Category Type Grade Microstructure Designations
Grades Stainless Steels R-235 Precipitation-Hardening USA - SAE , SAE J 467 (1968) - Special Purpose Alloys ("Superalloys")

Chemical composition(wt.%) of R-235 grade: SAE J 467 (1968)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.12
Si - 0.30
Mn - 0.10
Cr - 15.00
Ni - remaining
Mo - 5.50
Co - 1.00
W - -
Al - 2.00
Cu - -
Ti - 2.50
Fe - 10.00
Special Purpose Alloys ("Superalloys")

Mechanical properties of grade R-235 SAE J 467 (1968)

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)
535 (≥) 277 (≥) 33 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical properties of grade R-235 SAE J 467 (1968)

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
683 (≥) 156 (≥) 12 21 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 421
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
274 227 788

R-235 - Form of Supply

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
GMR-235 UNS USA
Special Purpose Alloys ("Superalloys")
GMR-235D UNS USA
Special Purpose Alloys ("Superalloys")
R-235 SAE USA
Special Purpose Alloys ("Superalloys")

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