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ASTM ASTM440C Details

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ASTM440C Application:ASTM440C

Category Type Grade Designations
Grades Stainless Steels ASTM440C USA - ASTM ,

Chemical composition(wt.%) of ASTM440C grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.95 1.2
Si - 1
Mn - 1
P - 0.04
S - 0.03
Mo - 0.75
ASTM440C

Mechanical properties of grade ASTM440C

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)
334 (≥) 617 (≥) 24 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical properties of grade ASTM440C

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
868 (≥) 225 (≥) 41 31 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 232
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
587 191 649

ASTM440C - 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
A 276 S44004 SAE USA
Stainless Steel Bars and Shapes
A 314 S44004 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 S44004 SAE USA
Stainless Steel Forgings
A 493 S44004 SAE USA
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 580 S44004 SAE USA
Stainless Steel Wire
S44004 AISI USA
Hardenable Chromium Stainless Steel
SUS 440C JIS Japan
Stainless steel bars
SUS 440C JIS Japan
Stainless steel wire rods
SUS 440C JIS Japan
Stainless steel wires
SUS 440C JIS Japan
Cold finished stainless steel bars
STS440C KS Korea
Stainless steel bars
440C CNS China
Stainless steel wire rods
AISI440C AISI USA
AISI440C
ASTM440C ASTM USA
ASTM440C

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