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AISI K21650 Details

Alloy steel casting

AISI K21650 Standard Download

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K21650 Application:Alloy steel casting
Category Type Grade Microstructure Designations
Grades Stainless Steels K21650 Precipitation-Hardening USA - AISI ,
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn 7.50 9.00
P - -
S - -
Ni 5.00 7.00
Cr 17.50 22.00
Al - -
Cu - -
Ti - -
Fe - -
N 0.25 0.50
Mo 2.00 3.00
Mechanical properties of grade K21650
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)
415 (≥) 275 (≥) 11 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 432
Physical properties of grade K21650
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
183 (≥) 728 (≥) 34 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
919 685 919
K21650 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
216 YB USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-479 Type XM-17 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 240 Type XM-17 UNS USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 479 XM-17 SAE USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 492 Type XM-17 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 959 Type XM-17 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
S21600 AISI USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
216L YB USA
Chemical compositions of SAE wrought stainless steels
S21603 AISI USA
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
A 240 S21600 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 492 S21600 SAE USA
Stainless Steel Rope Wire
S21600 AISI USA
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
SA-240 S21600 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 240 S21603 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 492 S21603 SAE USA
Stainless Steel Rope Wire
S21603 AISI USA
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
SA-240 S21603 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 216 Grade WCA SAE USA
Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service
A 216 Grade WCB SAE USA
Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service
A 216 Grade WCC SAE USA
Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service

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