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AISI S30300 Details

Austenitic Chromium Nickel Free-Machining Stainless Steel

AISI S30300 Standard Download

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S30300 Application:Austenitic Chromium Nickel Free-Machining Stainless Steel
Category Type Grade Microstructure Designations
Grades Stainless Steels S30300 Austenite USA - AISI ,
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.2
S 0.15 -
Cr 17.0 19.0
Ni 8.00 10.0
Mo - 0.60
Mechanical properties of grade S30300
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)
386 (≥) 466 (≥) 24 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 124
Physical properties of grade S30300
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
782 (≥) 376 (≥) 44 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
699 917 524
S30300 Range of products
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
GH3030 GB China
Classification and designation for superalloys and high temperature intermetallic materials
GH3039 GB China
Classification and designation for superalloys and high temperature intermetallic materials
303 YB USA
Stainless Steel Billets and Bars for Forging
A 314 303 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 303 SAE USA
Stainless Steel Forgings
A 581 Type 303 SAE USA
Free-Machining Stainless Steel Wire and Wire Rods
A 582 Type 303 SAE USA
Standard Specification for Free-Machining Stainless Steel Bars
A 895 Type 303 SAE USA
Free-Machining Stainless Steel Plate, Sheet, and Strip
A 959 Type 303 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 314 S30300 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 S30300 SAE USA
Stainless Steel Forgings
A 581 S30300 SAE USA
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S30300 SAE USA
Standard Specification for Free-Machining Stainless Steel Bars
A 895 S30300 SAE USA
Standard Specification for Free-Machining Stainless Steel Bars
F 837 Class A1-50 S30300 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-55 S30300 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-70 S30300 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F738 Class A1-50 S30300 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-70 S30300 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-80 S30300 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

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