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Chemical composition % of the ladle analysis of grade 304 TKA

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
Max 0.08 1.00 2.00 0.04 0.03 18.0-20.0 8.00-11.0
304 TKA
Mechanical properties of grade 304 TKA
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)
322 (≥) 414 (≥) 22 13 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 434
Physical properties of grade 304 TKA
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
625 (≥) 718 (≥) 11 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
193 639 969
304 TKA 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
GH3044
Classification and designation for superalloys and high temperature intermetallic materials
18-8 Type 304
Steel, corrosion resistant (18-8) plate, sheet and strip
304
Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings
304
Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings
304
Steel plate, corrosion resistant, austenitic (UNS S30400, S30403, S31600, S34700, and S34800)
A 167 Type 304
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 182 F 304
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
A 213 TP304
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
304 L
Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
304L
Steel, Corrosion-Resistant, Sheet, Strip, and Plate 19Cr - 9.5Ni (304L) Solution Heat Treated
304L
Tubing, steel, corrosion and heat resistant, for aerospace vehicle hydraulic systems assembled by brazing
A 167 Type 304L
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 182 F 304L
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
A 213 TP304L
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 Type 304L
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 TP304L
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 TP304L
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 270 TP304L
Seamless and Welded Austenitic Stainless Steel Sanitary Tubing
A 276 304L
Stainless Steel Bars and Shapes
A 314 304L
Stainless Steel Billets and Bars for Forging

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