SB-622 R20033 Stainless Steels to SB-622

SB-622 R20033 - Specification & Application

  • SB-622 - Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube

Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube

Chemical composition(wt.%) of SB-622 R20033 grade: to SB-622

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 0.30
Mn - 0.80
Cr - 19.00
Ni - 14.00
Mo - -
Co - -
W - -
Al - -
Cu - -
Ti - -
Fe - remaining
Nb - 1.60

SB-622 R20033 - Detail

Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube

Mechanical properties of grade SB-622 R20033 SB-622

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)
462 (≥) 558 (≥) 12 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical properties of grade SB-622 R20033 SB-622

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
593 (≥) 599 (≥) 44 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 414
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
413 263 359

Equivalent Products

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