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B.S. 1.4539 Details

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

B.S. 1.4539 Standard Download

1.4539 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 1.4539 Austenite UK - B.S. , BS EN 10028-7 | BS EN 10088-1 | BS EN 10088-2 | BS EN 10088-3 | BS EN 10088-4 | BS EN 10088-5 | BS EN 10216-5 (2004) | BS EN 10217-7 | BS EN 10250-4 | BS EN 10253-3 | BS EN 10253-4 | BS EN 10272 | BS EN 10296-2 (2005) | BS EN 10297-2 (2005) |
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.02
Si - 0.70
Mn - 2.00
P - 0.03
S - 0.01
Cr 19.00 21.00
Ni 24.00 26.00
Mo 4.00 5.00
N - 0.15
Cu 1.20 2.00
Mechanical properties of grade 1.4539
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)
282 (≥) 261 (≥) 21 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 112
Physical properties of grade 1.4539
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
727 (≥) 676 (≥) 13 11 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
573 276 775
1.4539 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
X1NiCrMoCu25-20-5 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4539 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X1NiCrMoCu25-20-5 AFNOR France
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4539 AFNOR France
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X1NiCrMoCu25-20-5, 1.4539, AISI 904L, N08904 EN European
X1NiCrMoCu25-20-5,1.4539,AISI 904L,N08904 steel is used for the production of systems and equipment for the desalination of water, equipment and machinery in the food, cryogenic and pharmaceutical industries, the production of scrubbers in coal-fired powe