A 955 XM-28 Grade 420 Stainless Steels to A 955/A 955M (2012)

A 955 XM-28 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-28 Grade 420 grade: to A 955/A 955M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Mn 11.0 14.0
P - 0.045
S - 0.030
Si - 1.00
Ni 0.5 2.5
Cr 16.5 19.00
N 0.20 0.45

A 955 XM-28 Grade 420 - Detail

A 955 XM-28 Grade 420

Mechanical properties of grade A 955 XM-28 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)
618 (≥) 979 (≥) 33 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical properties of grade A 955 XM-28 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
947 (≥) 826 (≥) 21 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 314
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
581 258 727

Equivalent Products

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