STS630 Stainless Steels to D 3698 (2008)

STS630 - Specification & Application

  • D 3698 (2008) - Cold rolled stainless steel plates, sheets and strip
  • D 3705 (2008) - Hot rolled stainless steel plates, sheets and strip
  • D 3706 (2008) - Stainless steel bars

Stainless steel bars

Chemical composition(wt.%) of STS630 grade: to D 3698 (2008)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.030
Cr 15.00 17.00
Ni 3.00 5.00
Mo - -
N - -
Cu 3.00 5.00
Nb 0.15 0.45

STS630 - Detail

Stainless steel bars

Mechanical properties of grade STS630 D 3698 (2008)

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)
869 (≥) 467 (≥) 42 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade STS630 D 3698 (2008)

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
541 (≥) 469 (≥) 12 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
721 136 413

Equivalent Products

We can customize the production of STS630 grade, contact us for the best solution.
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