Location » Home » Grades > Stainless Steels > STS630

KS STS630 Details

Tags

STS630 Application:Stainless steel bars

Category Type Grade Microstructure Designations
Grades Stainless Steels STS630 Precipitation-Hardening Korea - KS , 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

Chemical composition(wt.%) of STS630 grade: 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
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)
951 (≥) 363 (≥) 12 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

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
912 (≥) 768 (≥) 13 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 413
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
335 896 496

STS630 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
STS630 KS Korea
Stainless steel bars
STS630FB KS Korea
Stainless steel blooms and billets for forgings

Enquiry