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400 Application:Australia Structural steel
Category Type Steel grade Standard Country
Grades Special Alloy 400 AS Australia

Chemical composition % of the ladle analysis of grade 400

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
Max 0.22 Max 0.55 Max 1.70 0.040 0.03 0.3 0.5 0.35
400
Mechanical properties of grade 400
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)
487 (≥) 546 (≥) 14 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 222
Physical properties of grade 400
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
575 (≥) 445 (≥) 21 32 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
974 681 518
400 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
G4000 AS Australia
Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.
G4000a AS Australia
Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.
S20400 AS Australia
S20400
XM-31 AS Australia
Chemical compositions of SAE wrought stainless steels
S21400 AS Australia
Chemical compositions of SAE wrought stainless steels
A 240 Type XM-29 AS Australia
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 TPXM-29 AS Australia
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 TPXM-29 AS Australia
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 XM-29 AS Australia
Stainless Steel Bars and Shapes
A 312 TPXM-29 AS Australia
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 314 XM-29 AS Australia
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 358 XM-29 AS Australia
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 412 Type XM-29 AS Australia
Stainless and Heat-Resisting Chromium-Nickel-Manganese Steel Plate, Sheet, and Strip
A 479 XM-29 AS Australia
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 580 Type XM-29 AS Australia
Stainless Steel Wire
A 688 Grade TP XM-29 AS Australia
Welded Austenitic Stainless Steel Feedwater Heater Tubes
A 813 Grade TP XM-29 AS Australia
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 Grade TP XM-29 AS Australia
Cold-Worked Welded Austenitic Stainless Steel Pipe
A 943 TPXM-29 AS Australia
Spray-Formed Seamless Austenitic Stainless Steel Pipes
A 955 XM-29 Grade 280 AS Australia
Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement

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