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ASTM A106B/C – ASME SA106B/C Seamless Carbon Steel Pipe

c/w Flanges, Fittings, Valves & Plate

Applied Alloys International is Australia’s premier stockist of a range of approved A106B & A106C Seamless Carbon Steel pipe 2″ up to 24″.  We also stock Pipe Fittings, Flanges, Valves and Plate to suit.  Commonly used in Pressure Vessels and Boilers in Power Plants, Petrochemical Plants, Oil & Gas, and Ships or where piping must transport fluids, slurry, steam and gases under high pressure and temperature.


Available to DIN and JIS or ASTM A53 and API5L Gr.B  Seamless & Welded.

Seamless Pipe & Tube  A106-B  A106-C

  • 2″ – 24″
  • Sch 20, 40, 60, 80, 100, 120, 160, XXS or as required
  • A106-B equivalents:  JIS  G3456  STPT370,  STPT38,  DIN  17175
    St 45.4
  • A106-C equivalents:  JIS  G3456  STPT480,  STPT49,  DIN  17175  St 55

Butt Weld Fittings  A234-WPB  A234-WPC

  • 2″ – 24″
  • Sch 20, 40, 60, 80, 100, 120, 160, XXS or as required
  • Elbow,  Tee,  Cross,  Reducer,  Cap  and  Stub Ends etc
  • A234-WPB equivalents:  JIS G3456  STPT42,  DIN  17175  ST 45.8
  • A234-WPC equivalents:  JIS G3456  STPT49

Forged Flanges  A105

  • 1/2″  –  24″
  • ANSI Class 150LB  –  4500LB
  • Slip-On,  Weld Neck,  Socket Weld,  Blind and Custom Made
  • A105 equivalents:  JIS  G3201  SF490A,  G3202  SFVC2A,  G3205  SFL2,  DIN  C21

High Pressure Fittings  A105

  • 1/2″ –  4″  (Up to 6″ made to order)
  • 3000LB,  6000LB,  9000LB
  • Elbow,  Tee,  Cross,  Reducer,  Stub End,  Cap etc
  • Threaded NPT,  BSP  and  Socket Weld

Forged & Cast Valves  A105  A216

  • Gate,  Globe,  Ball  &  Check Valves etc.
  • ½” –  48″
  • ANSI Class 150LB  –  4500LB
  • Flanged,  Butt Weld,   Socket Weld,  Screwed
  • A105 equivalents:  JIS  G3201  SF490A,  G3202  SFVC2A,  G3205  SFL2,  DIN  C21
  • A216 equivalents:  JIS  G5151  SCPH1  SCPH2,  DIN 17245  C21  19Mn5

Plate  A516-60  A516-65  A516-70

  • Thickness 5mm – 150mm
  • Waterjet, Laser or Oxy cut to size
  • Machined, Rolled and Pressed as required
  • A516-60 equivalents:  JIS G3118  SGV410,  DIN 17175  HIII
  • A516-65 equivalents:  JIS G3118  SGV450,  DIN 17175  17Mn4
  • A516-70 equivalents:  JIS G3118  SGV480,  DIN 17175  19Mn6

A106B A106C Pipe Chemical Composition

ElementGrade BGrade C
Carbon, max0.30
0.35
Manganese0.29 - 1.060.29 - 1.06
Phosphorous, max0.0350.035
Sulfer, max0.0350.035
Silicon, min0.10
0.10
Chrome, max0.40
0.40
Copper, max 0.40
0.40
Molybdenum, max0.150.15
Nickel, max0.40
0.40
Vanadium, max0.080.08

A106B A106C Tensile Strength

ASTM A106 Tensile strength,
min, psi (MPa)
Yield strength,
min, psi (Mpa)
Elongation in 2"
(50mm), min (%):
Longitudinal
Elongation in 2"
(50mm), min (%):
Traverse
Grade B 60,000 (415) 35,000 (240)3016.5
Grade C 70,000 (485) 40,000 (275)3016.5

Materials Comparison Chart

ASTMGradeDIN TypeMaterial No.JIS / KS NumberJIS / KS Symbol
A106B17175St 45.4G3456STPT370, STPT38
A106C17175St 55G3456STPT480, STPT49
A105-17155C21, 19Mn5G3201, G3202SF490A, SFVC2A
A216WCA17245GS-C 25G5151SCPH1, SCPH2
A234WPB17175ST 45.8G3456STPT42
A234WPC--G3456STPT49
A5166017155HIIIG3118SGV410
A516651715517Mn4G3118SGV450
A516701715519Mn6G3118SGV480

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