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A 959 S21800 Application:Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Category Type Grade Microstructure Designations
Grades Stainless Steels A 959 S21800 Austenite USA - SAE , A 959 (2011) - Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Chemical composition(wt.%) of A 959 S21800 grade: A 959 (2011)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.10
Mn 7.00 9.00
Si 3.50 4.50
P - 0.04
S - 0.03
Cr 16.00 18.00
Ni 8.00 9.00
Mo - -
N 0.08 0.18

Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Mechanical properties of grade A 959 S21800 A 959 (2011)

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)
514 (≥) 776 (≥) 31 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical properties of grade A 959 S21800 A 959 (2011)

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
434 (≥) 773 (≥) 13 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 122
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
332 294 543

A 959 S21800 - 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 S20910 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S20910 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 S20910 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 276 S20910 SAE USA
Stainless Steel Bars and Shapes
A 314 S20910 SAE USA
Stainless Steel Billets and Bars for Forging
A 580 S20910 SAE USA
Stainless Steel Wire
A 813 S20910 SAE USA
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 S20910 SAE USA
Cold-Worked Welded Austenitic Stainless Steel Pipe
A 965 S20910 SAE USA
Steel Forgings, Austenitic, for Pressure and High Temperature Parts
F 1314 S20910 SAE USA
Standard Specification for Wrought Nitrogen Strengthened 22 Chromium - 13 Nickel - 5 Manganese - 2.5 Molybdenum Stainless Steel Alloy Bar and Wire for Surgical Implants (UNS S20910)
F 2181 S20910 SAE USA
Standard Specification for Wrought Seamless Stainless Steel Tubing for Surgical Implants
F 621 S20910 SAE USA
Standard Specification for Stainless Steel Forgings for Surgical Implants
S20910 AISI USA
Austenitic Chromium Nickel Manganese Molybdenum Stainless Steel
SA-240 S20910 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-403 S20910 AMS USA
Specification for Wrought Austenitic Stainless Steel Piping Fittings
SA-813 S20910 AMS USA
Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe
SA-814 S20910 AMS USA
Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe
SA-965 S20910 AMS USA
Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts
A 240 S21800 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 276 S21800 SAE USA
Stainless Steel Bars and Shapes

Relevant products

A 959 S21800 Steel Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
Cr12MoV 12-160(T)*310-610(W)*L Plate or Sheet Tons 12.38 Hot-Rolled+Annealed+black Enquiry
1.2601 12-160(T)*310-610(W)*L Plate or Sheet Tons 11.22 Hot-Rolled+Annealed+black Enquiry
UNS K30960(VIM+ESR) Bright Round Bar Dia.22mm Round Bar Kgs 50 Hot-Rolled+Annealed+black Enquiry

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