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International ER 308 Details

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ER 308 Application:Bare Stainless Steel Welding Electrodes and Rods

Category Type Grade Microstructure Designations
Grades Stainless Steels ER 308 Austenite USA - International , A5.9/A5.9M - Bare Stainless Steel Welding Electrodes and Rods

Chemical composition(wt.%) of ER 308 grade: A5.9/A5.9M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si 0.25 0.60
Mn 1.00 2.50
P - 0.03
S - 0.03
Cr 19.5 22.0
Ni 9.00 11.0
Cu - 0.75
Mo - 0.75
Bare Stainless Steel Welding Electrodes and Rods

Mechanical properties of grade ER 308 A5.9/A5.9M

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)
551 (≥) 743 (≥) 43 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical properties of grade ER 308 A5.9/A5.9M

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
547 (≥) 746 (≥) 24 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 214
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
317 514 276

ER 308 - 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
308 UNS USA
Chemical compositions of SAE wrought stainless steels
308 UNS USA
Chemical compositions, mechanical and physical properties of SAE aluminum casting alloys
A 167 Type 308 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 308 SAE USA
Stainless Steel Bars and Shapes
A 314 308 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 308 SAE USA
Stainless Steel Forgings
A 580 Type 308 SAE USA
Stainless Steel Wire
A 959 Type 308 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 167 S30800 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 S30800 SAE USA
Stainless Steel Bars and Shapes
A 314 S30800 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 S30800 SAE USA
Stainless Steel Forgings
A 580 S30800 SAE USA
Stainless Steel Wire
S30800 SAE USA
Austenitic Chromium Nickel Heat Resisting Steel
308L AMS USA
Bare Stainless Steel Welding Electrodes and Rods
ER 308L International USA
Austenitic wire for metal inert gas welding. It is suitable for welding corrosion resistant 18/8 CrNi steels for devices, vessels and parts in chemical, pharmacy and cellulose industry for temperature up to 350°C. Welded material has oxidation resistance
S30803 AISI USA
Austenitic wire for metal inert gas welding. It is suitable for welding corrosion resistant 18/8 CrNi steels for devices, vessels and parts in chemical, pharmacy and cellulose industry for temperature up to 350°C. Welded material has oxidation resistance
A 167 S30815 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 213 S30815 SAE USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 S30815 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

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