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SAE F836 Class A1-70 S20300 Details

F836 Class A1-70 S20300 Application:Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)

Category Type Grade Microstructure Designations
Grades Stainless Steels F836 Class A1-70 S20300 Austenite USA - SAE , F 836M (2002) - Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)

Chemical composition(wt.%) of F836 Class A1-70 S20300 grade: F 836M (2002)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Mn 5.00 6.50
Si - 1.00
P - 0.04
S 0.18 0.35
Cr 16.00 18.00
Ni 5.00 6.00
Mo - 0.50
Cu 1.75 2.25

Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)

Mechanical properties of grade F836 Class A1-70 S20300 F 836M (2002)

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)
624 (≥) 887 (≥) 14 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical properties of grade F836 Class A1-70 S20300 F 836M (2002)

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
128 (≥) 372 (≥) 11 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 322
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
919 197 873

F836 Class A1-70 S20300 - 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 581 S20300 SAE USA
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S20300 SAE USA
Standard Specification for Free-Machining Stainless Steel Bars
F 837 Class A1-50 S20300 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-55 S20300 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-70 S20300 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F738 Class A1-50 S20300 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-70 S20300 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-80 S20300 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F836 Class A1-50 S20300 SAE USA
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
F836 Class A1-70 S20300 SAE USA
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
F836 Class A1-80 S20300 SAE USA
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
S20300 AISI USA
Austenitic Chromium Manganese Nickel Copper Free Machining Stainless Steel
S20300 AISI USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

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