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SAE A 581 S18200 Details

A 581 S18200 Application:Free-Machining Stainless Steel Wire and Wire Rods

Category Type Grade Microstructure Designations
Grades Stainless Steels A 581 S18200 Ferrite USA - SAE , A 581/A 581M (2009) - Free-Machining Stainless Steel Wire and Wire Rods

Chemical composition(wt.%) of A 581 S18200 grade: A 581/A 581M (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Mn 1.25 2.50
Si - 1.00
P - 0.04
S - 0.15
Cr 17.50 19.50
Ni - -
Mo 1.50 2.50

Free-Machining Stainless Steel Wire and Wire Rods

Mechanical properties of grade A 581 S18200 A 581/A 581M (2009)

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)
235 (≥) 169 (≥) 42 21 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical properties of grade A 581 S18200 A 581/A 581M (2009)

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
561 (≥) 855 (≥) 22 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 432
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
186 158 442

A 581 S18200 - 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 176 S44400 SAE USA
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 240 S44400 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S44400 SAE USA
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S44400 SAE USA
Stainless Steel Bars and Shapes
A 554 S44400 SAE USA
Welded Stainless Steel Mechanical Tubing
A 580 S44400 SAE USA
Stainless Steel Wire
S44400 AISI USA
Ferritic Chromium Molybdenum Stainless Steel (18Cr-2Mo)
SA-240 S44400 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S44400 AMS USA
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
SA-276 S44400 AMS USA
Specification for Stainless Steel Bars and Shapes
SA-479 S44400 AMS USA
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 240 S38100 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S38100 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 S38100 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 813 S38100 SAE USA
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 S38100 SAE USA
Cold-Worked Welded Austenitic Stainless Steel Pipe
A 959 S38100 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S38100 AISI USA
Austenitic Chromium Nickel Silicon Stainless Steel
SA-240 S38100 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-813 S38100 AMS USA
Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe

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