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USA YB A 182/A 182M (2012) , A 213/A 213M (2011) , A 240/A 240M (2012) , A 249/A 249M (2010) , A 269 (2010) , A 270 (2010) , A 276 (2010), A 312/A 312M (2012), A 314 (2008) , A 358/A 358M (2008) , A 403/A 403M (2012) , A 409/A 409M (2009) , A 473 (2009) , A 478 (2008) , A 479/A 479M (2011) , A 493 (2009) , A 511/A 511M (2012), A 554 (2011) , A 580/A 580M (2012), A 632 (2009) , A 666 (2010) , A 688/A 688M (2012), A 774/A 774M (2009) , A 778 (2009) , A 793 (2009) , A 813/A 813M (2009) , A 814/A 814M (2008) , A 943/A 943M (2009), A 959 (2011) , A 965/A 965M (2012) , SAE AMS 5511H (2003) , SAE AMS 5647J (2011) , SAE AMS-QQ-S-763B (1998) , SAE J 2515 (1999), SAE J 405 (1998) , SAE J 467 (1968) , 304 L Specialsteel Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 304 L
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 304 L Austenite YB USA Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service

Chemical composition(mass fraction)(wt.%) of the 304 L

C Si Mn P S Cr Ni N
≤0.030 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.0 -20.0 8.00 -10.0 ≤0.10

Mechanical Properties of steel grade 304 L

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
866 (≥) 916 (≥) 44 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 304 L

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
14 - -     0.44 -  
499 174 - 42.3 144   -  
391 - 23 21.2   113 121

Heat Treatment of steel grade 304 L

Heat treated : 1784°C - 1733°C

Technological Curves of steel grade 304 L

Cross Reference Table (Equivalent Grade) of 304 L

Relevant standard of 304 L

A 182/A 182M (2012) Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service A-182-A-182M--(2012)-.pdf
A 213/A 213M (2011) Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes A-213-A-213M--(2011)-.pdf
A 240/A 240M (2012) Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications A-240-A-240M--(2012)-.pdf
A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M--(2010)-.pdf
A 269 (2010) Seamless and Welded Austenitic Stainless Steel Tubing for General Service A-269--(2010)-.pdf
A 270 (2010) Seamless and Welded Austenitic Stainless Steel Sanitary Tubing A-270--(2010)-.pdf
A 276 (2010) Stainless Steel Bars and Shapes A-276--(2010).pdf
A 312/A 312M (2012) Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes A-312-A-312M--(2012).pdf
A 314 (2008) Stainless Steel Billets and Bars for Forging A-314--(2008)-.pdf
A 358/A 358M (2008) Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications A-358-A-358M--(2008)-.pdf
A 403/A 403M (2012) Wrought Austenitic Stainless Steel Piping Fittings A-403-A-403M--(2012)-.pdf
A 409/A 409M (2009) Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service A-409-A-409M--(2009)-.pdf
A 473 (2009) Stainless Steel Forgings A-473--(2009)-.pdf
A 478 (2008) Chromium-Nickel Stainless Steel Weaving and Knitting Wire A-478--(2008)-.pdf
A 479/A 479M (2011) Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels A-479-A-479M--(2011)-.pdf
A 493 (2009) Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging A-493--(2009)--.pdf
A 511/A 511M (2012) Seamless Stainless Steel Mechanical Tubing A-511-A-511M--(2012).pdf
A 554 (2011) Welded Stainless Steel Mechanical Tubing A-554--(2011)-.pdf
A 580/A 580M (2012) Stainless Steel Wire A-580-A-580M--(2012).pdf
A 632 (2009) Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service A-632--(2009)-.pdf
A 666 (2010) Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar A-666--(2010)-.pdf
A 688/A 688M (2012) Welded Austenitic Stainless Steel Feedwater Heater Tubes A-688-A-688M--(2012).pdf
A 774/A 774M (2009) As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures A-774-A-774M--(2009)-.pdf
A 778 (2009) Welded, Unannealed Austenitic Stainless Steel Tubular Products A-778--(2009)-.pdf
A 793 (2009) Rolled Floor Plate, Stainless Steel A-793--(2009)-.pdf
A 813/A 813M (2009) Single- or Double-Welded Austenitic Stainless Steel Pipe A-813-A-813M--(2009)-.pdf
A 814/A 814M (2008) Cold-Worked Welded Austenitic Stainless Steel Pipe A-814-A-814M--(2008)-.pdf
A 943/A 943M (2009) Spray-Formed Seamless Austenitic Stainless Steel Pipes A-943-A-943M--(2009).pdf
A 959 (2011) Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels A-959--(2011)-.pdf
A 965/A 965M (2012) Steel Forgings, Austenitic, for Pressure and High Temperature Parts A-965-A-965M--(2012)-.pdf
SAE AMS 5511H (2003) Steel, Corrosion-Resistant, Sheet, Strip, and Plate 19Cr - 9.5Ni (304L) Solution Heat Treated SAE-AMS-5511H--(2003)-.pdf
SAE AMS 5647J (2011) Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, And Rings 19Cr - 9.5Ni Solution Heat Treated SAE-AMS-5647J--(2011)-.pdf
SAE AMS-QQ-S-763B (1998) Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings SAE-AMS-QQ-S-763B--(1998)-.pdf
SAE J 2515 (1999) High temperature materials for exhaust manifolds SAE-J-2515--(1999).pdf
SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels SAE-J-405--(1998)-.pdf
SAE J 467 (1968) Special Purpose Alloys ("Superalloys") SAE-J-467--(1968)-.pdf

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