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AISI S40300 Details

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S40300 Application:Martensitic Stainless Steel (Hardenable by Heat Treatment)

Category Type Grade Microstructure Designations
Grades Stainless Steels S40300 Martensite USA - AISI ,

Chemical composition(wt.%) of S40300 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Mn - 1.00
Si - 0.50
P - 0.04
S - 0.03
Cr 11.50 13.00
Ni - -
Mo - -

Martensitic Stainless Steel (Hardenable by Heat Treatment)

Mechanical properties of grade S40300

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)
451 (≥) 795 (≥) 14 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical properties of grade S40300

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
613 (≥) 445 (≥) 31 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
361 472 456

S40300 - 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
GH4033 GB China
Classification and designation for superalloys and high temperature intermetallic materials
GH4037 GB China
Classification and designation for superalloys and high temperature intermetallic materials
A 240 S30403 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S30403 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 S30403 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 270 S30403 SAE USA
Seamless and Welded Austenitic Stainless Steel Sanitary Tubing
A 276 S30403 SAE USA
Stainless Steel Bars and Shapes
A 314 S30403 SAE USA
Stainless Steel Billets and Bars for Forging
A 358 S30403 SAE USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 409 S30403 SAE USA
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 473 S30403 SAE USA
Stainless Steel Forgings
A 478 S30403 SAE USA
Chromium-Nickel Stainless Steel Weaving and Knitting Wire
A 493 S30403 SAE USA
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 580 S30403 SAE USA
Stainless Steel Wire
A 632 S30403 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service
A 666 S30403 SAE USA
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
A 688 S30403 SAE USA
Welded Austenitic Stainless Steel Feedwater Heater Tubes
A 778 S30403 SAE USA
Welded, Unannealed Austenitic Stainless Steel Tubular Products
A 813 S30403 SAE USA
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 S30403 SAE USA
Cold-Worked Welded Austenitic Stainless Steel Pipe

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