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YB 304Cu Details

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304Cu Application:Stainless steel and heat resistant steel

Category Type Grade Microstructure Designations
Grades Stainless Steels 304Cu Austenite USA - YB ,

Chemical composition(wt.%) of 304Cu grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 17.0 19.0
Ni 8.00 10.0
Cu 3.00 4.00
Stainless steel and heat resistant steel

Mechanical properties of grade 304Cu

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)
274 (≥) 886 (≥) 42 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical properties of grade 304Cu

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
411 (≥) 783 (≥) 22 22 44 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
269 898 781

304Cu - 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
304Cu YB USA
Stainless steel and heat resistant steel
A 493 Type XM-7 SAE USA
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
F 899 Type XM-7 SAE USA
Standard Specification for Wrought Stainless Steels for Surgical Instruments
SUSXM7 AMS USA
Specification for stainless steel bars
A 493 S30430 SAE USA
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 959 S30430 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
F 837 Class A1-50 S30430 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-55 S30430 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-70 S30430 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F738 Class A1-70 S30430 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-50 S30430 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-80 S30430 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F836 Class A1-50 S30430 SAE USA
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
F836 Class A1-50 S30430 SAE USA
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
F836 Class A1-80 S30430 SAE USA
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
S30430 AISI USA
Stainless steel and heat resistant steel
S30430 UNS USA
Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings

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