A 955 XM-29 Grade 420 Stainless Steels to A 955/A 955M (2012)

A 955 XM-29 Grade 420 - Specification & Application

  • A 955/A 955M (2012) - Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement

Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement

Chemical composition(wt.%) of A 955 XM-29 Grade 420 grade: to A 955/A 955M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.01
Si - 0.20
Mn - 0.30
P - -
S - -
Ni 2.00 2.50
Cr 28.00 30.00
Al - -
Cu - 0.15
Ti - -
Fe - -
N - 0.02
Mo 3.50 4.20

A 955 XM-29 Grade 420 - Detail

Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement

Mechanical properties of grade A 955 XM-29 Grade 420 A 955/A 955M (2012)

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)
936 (≥) 833 (≥) 22 44 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical properties of grade A 955 XM-29 Grade 420 A 955/A 955M (2012)

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
858 (≥) 123 (≥) 12 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
878 778 677

Equivalent Products

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