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AMS SA-240 N08020 Details

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SA-240 N08020 Application:Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Category Type Grade Microstructure Designations
Grades Stainless Steels SA-240 N08020 Austenite USA - AMS , SA-240/SA-240M - Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Chemical composition(wt.%) of SA-240 N08020 grade: SA-240/SA-240M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Mn - 2.00
Si - 1.00
P - 0.045
S - 0.035
Cr 19.00 21.00
Ni 32.00 38.00
Mo 2.00 3.00
Cu 3.00 4.00
Nb 8×C% 1.00

Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Mechanical properties of grade SA-240 N08020 SA-240/SA-240M

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)
548 (≥) 295 (≥) 34 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical properties of grade SA-240 N08020 SA-240/SA-240M

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
932 (≥) 814 (≥) 22 42 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 123
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
238 134 213

SA-240 N08020 - Form of Supply

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
A 240 N08020 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 358 N08020 SAE USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 959 N08020 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
B 462 N08020 SAE USA
Standard Specification for Forged or Rolled UNS N06030, UNS N06022, UNS N06035, UNS N06200, UNS N06059, UNS N10362, UNS N06686, UNS N08020, UNS N08024, UNS N08026, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N06045
B 463 N08020 SAE USA
Standard Specification for UNS N08020 Alloy Plate, Sheet, and Strip
B 464 N08020 SAE USA
Standard Specification for Welded UNS N08020 Alloy Pipe
B 468 N08020 SAE USA
Standard Specification for Welded UNS N08020 Alloy Tubes
B 472 N08020 SAE USA
Standard Specification for Nickel Alloy Billets and Bars for Reforging
B 473 N08020 SAE USA
UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy Bar and Wire
B 475 N08020 SAE USA
UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy Round Weaving Wire
B 729 N08020 SAE USA
Standard Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube
N08020 AISI USA
Ni-Fe-Cr Alloy Solid Solution Strengthened
SA-240 N08020 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-358 N08020 AMS USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service
SB-462 N08020 AMS USA
Standard Specification for Forged or Rolled UNS N06030, UNS N06022, UNS N06035, UNS N06200, UNS N06059, UNS N10362, UNS N06686, UNS N08020, UNS N08024, UNS N08026, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N06045
SB-463 N08020 AMS USA
Standard Specification for UNS N08020 Alloy Plate, Sheet, and Strip
SB-464 N08020 AMS USA
Standard Specification for Welded UNS N08020 Alloy Pipe
SB-468 N08020 AMS USA
Standard Specification for Welded UNS N08020 Alloy Tubes
SB-473 N08020 AMS USA
UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy Bar and Wire
SB-729 N08020 AMS USA
Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube

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