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ASTM A333 / ASME SA333 Low Temp Materials

Pipe, Fittings, Plate and Valves

Applied Alloys International is Australia’s premier stockist of a range of Seamless and Welded Carbon Steel pipe 2″ up to 48″ and the leading supplier of Plate, High Pressure Fittings, Butt Weld Fittings, Flanges and Valves for Low Temperature, High Pressure service and other applications that required notch toughness.


Available to DIN and JIS specifications.

Seamless & Welded Pipe  A333 Gr. 1, 3, 6

  • 2″ – 48″
  • Sch 40, 60, 80, 120, 160, XXS etc.
  • JIS Equivalent:  3460 STPL380,  STPL450,
  • DIN Equivalent:  TT St 41N,  1-Ni 14,  TT St 45N

Butt Weld Fittings  A420 Gr. WPL1, WPL3, WPL6

  • 2″ – 48″
  • Schedule 40, 60, 80, 120, 160, XXS etc
  • Elbow, Tee, Cross, Reducer, Stub End, Cap etc
  • Charpy V-Notch Impact Tested
  • JIS Equivalent: B2316 PL380,  PL380W

Forged Flanges  A350 Gr. LF1, LF2, LF3

  • 2″ – 48″
  • Class 150 – 4500
  • Slip-On, Weld Neck, Socket Weld, Blind and Custom Made
  • Charpy V-Notch Impact Testing
  • JIS Equivalent:  3205 SFL2

High Pressure Fittings  A350 Gr. LF1, LF2, LF3

  • 2″ – 48″
  • Schedule 40, 60, 80, 120, 160, XXS etc
  • 3000Lb, 6000LB
  • Elbow, Tee, Cross, Reducer, Stub End, Cap etc
  • Charpy V-Notch Impact Tested
  • JIS Equivalent:  3205 SFL2

Forged Valves  A352 Gr. LCB, LC3

  • Gate, Globe, Check Valves
  • 2″ –  48″
  • Class 150  –  4500
  • Temperature  -101C  to  425C
  • Socket Weld,  Threaded  or  Flanged Ends
  • Charpy V-Notch Impact Testing
  • NACE Standard MR-01-75
  • JIS Equivalent:  3205 SFL2

Plate  A516 Gr. 60, 65, 75

  • Thickness  2mm – 150mm
  • Width  0.6m to 3m
  • Lengths  6m, 12m
  • Natural,  Painted Surface
  • JIS Equivalents:  G3118  SGV410, 450, 480
  • DIN Equivalents:  17155 HIII, 17Mn4, 19Mn4
  • EN Equivalents:  10028 P275N/H, 295GH

A333 / SA333 Grade 1, 3, 6 Pipe

A333 Grade 6 Carbon Steel Pipe can withstand impact toughness at -45C (-50F) and Grade 1 to -100C (-150F).  Commonly used in applications where pressure piping is exposed directly to cold environments below freezing point.

Certification:  All seamless pipe is ordered dual certified according to ASTM/ASME A/SA 333/3, with additional requirements to MESC SPEC 74/004.F-91.  Certification is EN10204 3.1 and conforms to NACE MR-01-03, NACE MR-01-75 and PED 97/23/EC.

A333 / SA333 Pipe Chemical Composition

A333 Chemical Composition

ElementGrade 1Grade 2Grade 6
Carbon, max0.300.190.30
Manganese0.40 - 1.060.31 - 0.640.29 - 1.06
Phosphorous, max0.0250.0250.025
Sulfer, max0.0250.0250.025
Silicon 0.18 - 0.370.10 min
Nickel 3.18 - 3.82

DIN and JIS standards

Comparison Chart A333

ASTMGradeDIN TypeMaterial No.JIS / KS NumberJIS / KS SymbolUNS No.
A33311.0437TT St 41NG3460 / D3569STPL380 / SPLT39K03008
A33331.563710Ni 14G3460 / D3569STPL450 / SPLT46K31918
A33361.0456TT St 45N--K03006
A420WPL6--B2316PL380, PL380W-
A350LF2--3205SFL2-
A516651715517Mn43118SGV450-

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