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B.S. HFM304 S51 Details

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HFM304 S51 Application:Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Category Type Grade Designations
Grades Stainless Steels HFM304 S51 UK - B.S. , BS 3605-1 - Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Chemical composition(wt.%) of HFM304 S51 grade: BS 3605-1

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.10
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.025
Cr 17.00 19.00
Mo - -
Ni 8.00 11.00
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Mechanical properties of grade HFM304 S51 BS 3605-1

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)
437 (≥) 476 (≥) 31 21 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade HFM304 S51 BS 3605-1

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
426 (≥) 597 (≥) 31 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
694 496 925

HFM304 S51 - 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
304S51 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFS 304S51 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
CFS 304S51 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFM 304S51 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
304 S51 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFS304 S51 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
CFS304 S51 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFM304 S51 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
304S 51 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

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