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Chemical composition % of the ladle analysis of grade STS43

1.00-1.10 ≤0.25 ≤0.30 ≤0.20 0.10-0.25
Mechanical properties of grade STS43
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)
172 (≥) 423 (≥) 23 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 124
Physical properties of grade STS43
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
526 (≥) 353 (≥) 12 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 224
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
599 865 231
STS43 Range of products
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
STS430
Stainless steel bars
STS430TKA
Stainless steel pipes for machine and structural purposes
STS430TKC
Stainless steel pipes for machine and structural purposes
STS430TB
Stainless steel for boiler and heat exchanger tubes
STS430WSB
Stainless steel wires for cold heading and cold forging
STS430CA
Cold - rolled formed stainless steel equal leg angles
STS430TP
Stainless lined steel pipe
STS430F
Free - machining stainless steel wire and wire rods
STS430FSe
Free - machining stainless steel wire and wire rods
STS434
Stainless steel bars
STS434WSB
Stainless steel wires for cold heading and cold forging
STS431
Stainless steel bars
STS431FB
Stainless steel blooms and billets for forgings
STS430LX
Hot rolled stainless steel plates, sheets and strip
STS430LXTB
Stainless steel for boiler and heat exchanger tubes
STS430LXTP
Stainless lined steel pipe
STS430J1L
Hot rolled stainless steel plates, sheets and strip
STS430J1LTP
Stainless lined steel pipe
STS436L
Hot rolled stainless steel plates, sheets and strip
STS436LTB
Stainless steel for boiler and heat exchanger tubes

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