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444 Application:Australia Stainless steel
Category Type Steel grade Standard Country
Grades Special Alloy 444 AS Australia

Chemical composition % of the ladle analysis of grade 444

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) N(%) Other(%)
0.025 1 1.00 0.04 0- 030 17.5-19.5 Max 1.00 1.75-2.50 Max 0.035 Min Nb+Ti:0.20+4;(C+N) Max O.80
444
Mechanical properties of grade 444
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)
483 (≥) 337 (≥) 33 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Physical properties of grade 444
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
625 (≥) 186 (≥) 21 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 423
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
555 399 122
444 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 S44400 AS Australia
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 240 S44400 AS Australia
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S44400 AS Australia
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S44400 AS Australia
Stainless Steel Bars and Shapes
A 554 S44400 AS Australia
Welded Stainless Steel Mechanical Tubing
A 580 S44400 AS Australia
Stainless Steel Wire
S44400 AS Australia
Ferritic Chromium Molybdenum Stainless Steel (18Cr-2Mo)
SA-240 S44400 AS Australia
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S44400 AS Australia
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
SA-276 S44400 AS Australia
Specification for Stainless Steel Bars and Shapes
SA-479 S44400 AS Australia
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 479 S44401 AS Australia
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 493 S44401 AS Australia
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 580 S44401 AS Australia
Stainless Steel Wire
S44401 AS Australia
Chromium Molybdenum Stainless Steel
SUS 444 AS Australia
Hot-rolled stainless steel plates, sheet and strip
SUS 444 AS Australia
Cold-rolled stainless steel plate, sheet and strip
SUS 444 AS Australia
Hot-formed stainless steel sections
SUS 444 AS Australia
Cold-formed stainless steel sections
SUS 444 TB AS Australia
Stainless steel boiler and heat exchanger tubes

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