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304S51 Application:austenitic special steel
Category Type Steel grade Country
Grades Special Alloy 304S51 UK

Chemical composition % of the ladle analysis of grade 304S51

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.04-0.10 Max 1.00 Max 2.00 Max 0.04 Max 0.03 17.0-19.0 8.00-11.0
304S51
Mechanical properties of grade 304S51
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)
926 (≥) 983 (≥) 21 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Physical properties of grade 304S51
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
938 (≥) 568 (≥) 34 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 121
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
164 471 312
304S51 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
304S51 UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFS 304S51 UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
CFS 304S51 UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFM 304S51 UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
304 S51 UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFS304 S51 UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
CFS304 S51 UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFM304 S51 UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
304S 51 UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

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