ГОСТ XH77TЮ(ЭИ437A)

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ГОСТ XH77TЮ(ЭИ437A)

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XH77TЮ(ЭИ437A) Application:Russia COST standard deformation of high temperature alloy

Chemical composition(mass fraction)(wt.%) of the XH77TЮ(ЭИ437A)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Pb(%) Al(%) Ti(%) Other(%)
Max 0.06 Max 0.60 Max 0.40 Max 0.015 Max 0.007 l9.0-22.0 Balance Max 0.001 0.55-0.95 2.30-2.70 Ce: Max 0.02

Mechanical properties of grade XH77TЮ(ЭИ437A)

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
666 (≥) 394 (≥) 43 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade XH77TЮ(ЭИ437A)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
189 (≥) 931 (≥) 33 32 43 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
- - -
628 535 953 - - -

XH77TЮ(ЭИ437A) 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