B.S. 1.4507

Grades | Stainless Steels | 1.4507

B.S. 1.4507 ( Austenitic-Ferritic(Duplex steel) )

PDF | Word | Print

1.4507 Application:Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Chemical composition(mass fraction)(wt.%) of the 1.4507
Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.03
Si - 0.70
Mn - 2.00
P - 0.035
S - 0.015
Cr 24.00 26.00
Ni 5.50 7.50
Mo 2.70 4.00
N 0.15 0.30
Cu 1.00 2.50

Mechanical properties of grade 1.4507

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
314 (≥) 727 (≥) 21 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical properties of grade 1.4507

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
577 (≥) 375 (≥) 34 33 34 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		 - - -
645 541 257 - - -

1.4507 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