SAE B 668 N08028

Grades | Stainless Steels | B 668 N08028

SAE B 668 N08028 ( Austenite )

PDF | Word | Print

B 668 N08028 Application:UNS N08028 Seamless Pipe and Tube

Chemical composition(mass fraction)(wt.%) of the B 668 N08028
Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.02
Mn - 2.00
Si - 1.00
P - 0.02
S - 0.015
Cr 26.00 28.00
Ni 29.50 32.50
Mo 3.00 4.00
Cu 0.60 1.40

Mechanical properties of grade B 668 N08028

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
159 (≥) 151 (≥) 24 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade B 668 N08028

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
287 (≥) 438 (≥) 32 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
545 655 782 - - -

B 668 N08028 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