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ASTM S2 Details

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S2 Application:Shock-Resisting Tool Steel

Category Type Grade Designations
Grades Tool Die Steels S2 USA - ASTM ,

Chemical composition(wt.%) of S2 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.40 0.55
Si 0.90 1.20
Mn 0.30 0.50
P - 0.030
S - 0.030
Cr - -
Mo 0.30 0.60
V - 0.50
W - -
Ni+Cu - 0.75
Shock-Resisting Tool Steel

Mechanical properties of grade S2

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)
757 (≥) 283 (≥) 31 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical properties of grade S2

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
511 (≥) 489 (≥) 33 13 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
588 272 379

S2 - 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
S20100 AISI USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
S20153 AISI USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
S20161 AISI USA
Austenitic Chromium Manganese Nickel Silicon Stainless Steel
S20200 YB USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
S20300 AISI USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
S20400 AISI USA
S20400
S20501 AISI USA
Stainless steel and heat resistant steel
S20910 AISI USA
Chemical compositions of SAE wrought stainless steels
XM-31 UNS USA
Chemical compositions of SAE wrought stainless steels
S21400 AISI USA
Chemical compositions of SAE wrought stainless steels
S21460 AISI USA
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
S21500 AISI USA
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
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
S21600 AISI USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
S21603 AISI USA
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
S21800 AISI USA
Austenitic Chromium Nickel Manganese Stainless Steel
A 269 S21900 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 276 S21900 SAE USA
Stainless Steel Bars and Shapes
A 314 S21900 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service

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