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FED SUS 303Se Details

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SUS 303Se Application:Standard Specification for Stainless Steel Socket Set Screws (Metric)

Category Type Grade Microstructure Designations
Grades Stainless Steels SUS 303Se Austenite Japan - FED , G 4303 (2005) - Stainless steel bars
G 4308 (2007) - Stainless steel wire rods
G 4309 (1999) - Stainless steel wires
G 4318 (2007) - Cold finished stainless steel bars

Chemical composition(wt.%) of SUS 303Se grade: G 4303 (2005)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.2
S - 0.06
Cr 17.0 19.0
Ni 8.00 10.0
Se 0.15 -
Austenitic Alloys; Sizes M1.6 through M24
Standard Specification for Stainless Steel Socket Set Screws (Metric)

Mechanical properties of grade SUS 303Se G 4303 (2005)

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)
774 (≥) 233 (≥) 23 21 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical properties of grade SUS 303Se G 4303 (2005)

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
347 (≥) 719 (≥) 34 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 432
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
741 493 225

SUS 303Se - 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
303Se YB USA
Stainless and heat resisting steels
A 314 303Se SAE USA
Stainless and heat resisting steels
A 473 303 Se SAE USA
Austenitic stainless steel forgings for general use
A 511 MT303Se SAE USA
Austenitic stainless steel forgings for general use
A 581 Type 303Se SAE USA
Free machining stainless and heat resisting steel wire
A 582 Type 303Se SAE USA
Free-machining stainless steel bars
A 895 Type 303Se SAE USA
Free-machining stainless steel bars
A 959 Type 303Se SAE USA
Specifying harmonized standard grade compositions for wrought stainless steels
F 593 303 Se SAE USA
Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs
F 594 303Se SAE USA
Standard Specification for Stainless Steel Nuts
F 880 Class A1-50 303Se SAE USA
Standard Specification for Stainless Steel Socket Set Screws (Metric)
F 880 Class A1-70 303Se SAE USA
Standard Specification for Stainless Steel Socket Set Screws (Metric)
SUS 303Se FED Japan
Standard Specification for Stainless Steel Socket Set Screws (Metric)
SUS303Se AMS USA
Standard Specification for Stainless Steel Socket Set Screws (Metric)
A 314 S30323 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 S30323 SAE USA
Stainless Steel Forgings
A 581 S30323 SAE USA
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S30323 SAE USA
Standard Specification for Free-Machining Stainless Steel Bars
A 895 S30323 SAE USA
Free-Machining Stainless Steel Plate, Sheet, and Strip
F738 Class A1-50 S30323 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

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