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300Application:Australia Structural steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy 300ASAustralia

Chemical composition%of the ladle analysis of grade300

C(％)Si(％)Mn(％)P(％)S(％)
0.20.41.50.0400.040
300
Mechanical properties of grade300
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 ConditionBrinell hardness(HBW)
893(≥)851(≥)333221Solution and Aging,Annealing,Ausaging,Q+T,etc142
Physical properties of grade300
PropertyDensity
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
334(≥)615(≥)423332Solution and Aging,Annealing,Ausaging,Q+T,etc133
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
965944478
300Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
G3000ASAustralia
Cars and diesel engine cylinder block, cylinder head, flywheel and differential carrier medium castings, piston, brake hub and clutch plate
S20300ASAustralia
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 314 S30300ASAustralia
Stainless Steel Billets and Bars for Forging
A 473 S30300ASAustralia
Stainless Steel Forgings
A 581 S30300ASAustralia
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S30300ASAustralia
Standard Specification for Free-Machining Stainless Steel Bars
A 895 S30300ASAustralia
Standard Specification for Free-Machining Stainless Steel Bars
F 837 Class A1-50 S30300ASAustralia
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-55 S30300ASAustralia
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-70 S30300ASAustralia
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F738 Class A1-50 S30300ASAustralia
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-70 S30300ASAustralia
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-80 S30300ASAustralia
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F836 Class A1-50 S30300ASAustralia
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
F836 Class A1-70 S30300ASAustralia
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
F836 Class A1-80 S30300ASAustralia
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
S30300ASAustralia
Austenitic Chromium Nickel Free-Machining Stainless Steel
A 240 S43000ASAustralia
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S43000ASAustralia
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S43000ASAustralia
Stainless Steel Bars and Shapes

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