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SAE A 581 S30345 Details

A 581 S30345 Application:Free-Machining Stainless Steel Wire and Wire Rods

Category Type Grade Microstructure Designations
Grades Stainless Steels A 581 S30345 Austenite USA - SAE , A 581/A 581M (2009) - Free-Machining Stainless Steel Wire and Wire Rods

Chemical composition(wt.%) of A 581 S30345 grade: A 581/A 581M (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.05
S 0.11 0.16
Cr 17.0 19.0
Ni 8.00 10.0
Mo 0.40 0.60
Al 0.60 1.00
Free-Machining Stainless Steel Wire and Wire Rods

Mechanical properties of grade A 581 S30345 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)
481 (≥) 861 (≥) 33 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical properties of grade A 581 S30345 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
217 (≥) 359 (≥) 31 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
834 417 895

A 581 S30345 - 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
303 MA UNS USA
Steel, Corrosion-Resistant, Bars and Forgings 0.14S - 18Cr - 9.5Ni - 0.50Mo - 0.80Al (303MA) Free-Machining; Swaging or Upsetting Solution Heat Treated
303 MA ASTM USA
Steel, Corrosion-Resistant, Bars and Forgings 0.14S - 18Cr - 9.5Ni - 0.50Mo - 0.80Al (303MA) Free-Machining; Swaging or Upsetting Solution Heat Treated
A 959 Type XM-2 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 581 S30345 SAE USA
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S30345 SAE USA
Standard Specification for Free-Machining Stainless Steel Bars
S30345 AISI USA
Austenitic Chromium Nickel Aluminum Free-Machining Stainless Steel
A 240 Type XM-29 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 TPXM-29 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 TPXM-29 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 XM-29 SAE USA
Stainless Steel Bars and Shapes
A 312 TPXM-29 SAE USA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 314 XM-29 SAE USA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 358 XM-29 SAE USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 412 Type XM-29 SAE USA
Stainless and Heat-Resisting Chromium-Nickel-Manganese Steel Plate, Sheet, and Strip
A 479 XM-29 SAE USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 580 Type XM-29 SAE USA
Stainless Steel Wire
A 688 Grade TP XM-29 SAE USA
Welded Austenitic Stainless Steel Feedwater Heater Tubes
A 813 Grade TP XM-29 SAE USA
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 Grade TP XM-29 SAE USA
Cold-Worked Welded Austenitic Stainless Steel Pipe
A 943 TPXM-29 SAE USA
Spray-Formed Seamless Austenitic Stainless Steel Pipes

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