STR616 Stainless Steels to D 3731 (2002)

STR616 - Specification & Application

  • D 3731 (2002) - Heat - resisting steel bars

Heat - resisting steel bars

Chemical composition(wt.%) of STR616 grade: to D 3731 (2002)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.20 0.25
Si - 0.50
Mn 0.50 1.00
P - 0.04
S - 0.03
Cr 11.00 13.00
Ni 0.50 1.00
Mo 0.75 1.25
N - -
Cu - 0.30
W 0.75 1.25
V 0.20 0.30

STR616 - Detail

Heat - resisting steel bars

Mechanical properties of grade STR616 D 3731 (2002)

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)
153 (≥) 384 (≥) 43 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical properties of grade STR616 D 3731 (2002)

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
533 (≥) 226 (≥) 33 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
158 135 128

Equivalent Grade

Equivalent Products

We can customize the production of STR616 grade, contact us for the best solution.
sales@specificsteel.com