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Type Ⅰ
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy Type ⅠGBTUSA

Chemical composition%of the ladle analysis of gradeType Ⅰ

C(％)Si(％)Mn(％)P(％)S(％)Cr(％)Ni(％)N(%)
0.20-0.45Max 1.75Max 2.50Max 0.05Max 0.0523.0-28.010.0-14.0Max 0.20
Type Ⅰ
Mechanical properties of gradeType Ⅰ
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)
551(≥)348(≥)441413Solution and Aging,Annealing,Ausaging,Q+T,etc342
Physical properties of gradeType Ⅰ
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
972(≥)865(≥)333234Solution and Aging,Annealing,Ausaging,Q+T,etc122
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
751366524
Type ⅠRange 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
A 240 S21600GBTUSA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 492 S21600GBTUSA
Stainless Steel Rope Wire
S21600GBTUSA
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
SA-240 S21600GBTUSA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 240 S21603GBTUSA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 492 S21603GBTUSA
Stainless Steel Rope Wire
S21603GBTUSA
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
SA-240 S21603GBTUSA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 240 S30940GBTUSA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S30940GBTUSA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 S30940GBTUSA
Stainless Steel Bars and Shapes
A 314 S30940GBTUSA
Stainless Steel Billets and Bars for Forging
A 358 S30940GBTUSA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 409 S30940GBTUSA
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 478 S30940GBTUSA
Chromium-Nickel Stainless Steel Weaving and Knitting Wire
A 580 S30940GBTUSA
Stainless Steel Wire
A 813 S30940GBTUSA
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 S30940GBTUSA
Cold-Worked Welded Austenitic Stainless Steel Pipe
S30940GBTUSA
Austenitic Chromium Nickel Columbium Heat Resisting Stainless Steel
SA 249 S30940GBTUSA
Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Relevant products

Type Ⅰ Steel Stock

Steel gradeDimensionShapeUnitQuantityDelivery stateQuery
SkD-11 Round Bar StockΦ30-Φ350Round BarKgs3102Hot-Rolled+Annealed+blackEnquiry
17-4PH Coil Stock0.08*200mmCoil or StripKgs1623Cold-Rolled+AnnealedEnquiry
D2 Round barΦ25-Φ380mmRound BarKgs45325Hot-Rolled+Annealed+blackEnquiry
Cr8 flat bar12*355*LFlat or Square barKgs3965Forged+Annealed+blackEnquiry
17-4PH Round BarΦ5-300mm*LRound BarKgs46958Hot-Rolled+Annealed+blackEnquiry
17-4PH plate8-45*1200*3000mmPlate or SheetTons4.9Hot-Rolled+Annealed+blackEnquiry
Cr12MoV12-160(T)*310-610(W)*LPlate or SheetTons12.38Hot-Rolled+Annealed+blackEnquiry
1.260112-160(T)*310-610(W)*LPlate or SheetTons11.22Hot-Rolled+Annealed+blackEnquiry
IncoloyA-286 / GH 2132 StockΦ8-65mm*LRound BarKgs489Hot-Rolled+Annealed+blackEnquiry
Incoloy800 round barΦ115*1400Round BarKgs169Hot-Rolled+Annealed+blackEnquiry
17-7PH / 631 Coil & Strip, Sheet Stock0.3-3.0*10-180mmCoil or StripKgs1236.22Cold-Rolled+AnnealedEnquiry
X22CrMoV12-1 / 1.4923Φ17mmRound BarKgs300Hot-Rolled+Annealed+blackEnquiry
1.2083 Forged PlateT:105-185mm*W:510*LPlate or SheetTons26Forged+QTEnquiry
X22CrMoV12-1 / 1.4923Φ30mmRound BarKgs300Hot-Rolled+Annealed+blackEnquiry
1.4882 strip/sheet/plate stock3.5x200x1000-2000mmCoil or StripKgs200Cold-Rolled+AnnealedEnquiry
A387 F5 & Grade 5 sheet Coil strip0.5mmx200mmxCCoil or StripTons3Cold-Rolled+AnnealedEnquiry
A387 F5 & Grade 5 Hot Coil stockSelectTons3Hot-Rolled+Annealed+blackEnquiry
T45Cr5Si3 Round BarDia.40mmRound BarKgs500Hot-Rolled+Annealed+blackEnquiry
UNS K30960(VIM+ESR) Bright Round BarDia.22mmRound BarKgs50Hot-Rolled+Annealed+blackEnquiry
SA-437 Grade B4B/SUS 616 /422 Forged BarDia.160xLRound BarKgs2120Forged+QTEnquiry

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