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30Application:China structural steel and alloy steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy 30GBTChina

Chemical composition%of the ladle analysis of grade30

C(％)Si(％)Mn(％)P(％)S(％)Cr(％)Ni(％)Cu(%)
0.27-0.340.17-0.370.50-0.800.0350.0350.250.30.25
30
Mechanical properties of grade30
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)
493(≥)625(≥)324122Solution and Aging,Annealing,Ausaging,Q+T,etc422
Physical properties of grade30
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
947(≥)541(≥)131343Solution and Aging,Annealing,Ausaging,Q+T,etc213
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
559387413
30Range 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
T72301GBTChina
Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures.
W2-AGBTChina
Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures.
T72302GBTChina
Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures.
G3000GBTChina
Cars and diesel engine cylinder block, cylinder head, flywheel and differential carrier medium castings, piston, brake hub and clutch plate
T72305GBTChina
Carbon tool steel
00Cr30Mo2GBTChina
Stainless steel bars
GH2130GBTChina
Classification and designation for superalloys and high temperature intermetallic materials
GH2302GBTChina
Classification and designation for superalloys and high temperature intermetallic materials
GH3030GBTChina
Classification and designation for superalloys and high temperature intermetallic materials
GH3039GBTChina
Classification and designation for superalloys and high temperature intermetallic materials
GH3044GBTChina
Classification and designation for superalloys and high temperature intermetallic materials
GH4302GBTChina
Nickel-base superalloy
S20300GBTChina
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
301GBTChina
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 167 Type 301GBTChina
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 240 Type 301GBTChina
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 554 MT 301GBTChina
Welded Stainless Steel Mechanical Tubing
A 666 Type 301GBTChina
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
A 240 S30100GBTChina
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 666 S30100GBTChina
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar

Relevant products

30 Steel Stock

Steel gradeDimensionShapeUnitQuantityDelivery stateQuery
17-4PH Coil Stock0.08*200mmCoil or StripKgs1623Cold-Rolled+AnnealedEnquiry
17-4PH Round BarΦ5-300mm*LRound BarKgs46958Hot-Rolled+Annealed+blackEnquiry
17-4PH plate8-45*1200*3000mmPlate or SheetTons4.9Hot-Rolled+Annealed+blackEnquiry
UNS K30960(VIM+ESR) Bright Round BarDia.22mmRound BarKgs50Hot-Rolled+Annealed+blackEnquiry

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