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B.S. 1.4507 Details

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

B.S. 1.4507 Standard Download

1.4507 Application:Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
Category Type Grade Microstructure Designations
Grades Stainless Steels 1.4507 Austenitic-Ferritic(Duplex steel) UK - B.S. , BS EN 10028-7 | BS EN 10088-1 | BS EN 10088-2 | BS EN 10088-3 | BS EN 10216-5 (2004) | BS EN 10250-4 | BS EN 10253-3 | BS EN 10253-4 | BS EN 10272 | BS EN 10297-2 (2005) |
Chemical composition(mass fraction)(wt.%)
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
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)
634 (≥) 464 (≥) 44 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
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
Modulus of elasticity
kN/mm2
Expansion rate
421 (≥) 423 (≥) 13 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
288 648 668
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
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
X2CrNiMoCuN25-6-3 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4507 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X2CrNiMoCuN25-6-3 AFNOR France
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4507 AFNOR France
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4507, X2CrNiMoCuN25-6-3, UNS S32550 EN European
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

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