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A53 GR. B Carbon Steel Seamless Pipes

 

ASTM A53 pipe (also referred to as ASME SA53 pipe) is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas, and air lines. It is suitable for welding, and suitable for forming operations involving coiling, bending, and flanging, subject to certain qualifications.
 

This specification covers seamless carbon steel pipe for high-temperature service

Sizes (Seamless): 1/2" NB - 60" NB

Sizes (ERW): 1/2" NB - 24" NB

Sizes (SAW): 16" NB - 100" NB 


   Wall Thickness available:
    Schedule 20 - Schedule XXS (heavier on request) up to 250 mm thickness.

 Carbon Steel Pipe is available in:

  • ASTM A53 GR. B
  • A106 GR. B
  • API 5L GRADE B
  • API 5L GR. X42/46/52/56/60/65/70
  • A333 GR. 3/ GR. 6 etc
Find Out Prosaic Steel API Seamless Pipe Range Like API 5L GR.B PIPE, API 5L X52, X56, X60, X65 SEAMLESS PIPE

 Material Grades :

 High Temperature Seamless Pipe  ASTM A106 Gr. B/C, API 5L Gr. B, ASTM A53 Gr. B
 Heat Exchanger Seamless Tube  ASTM A179
 Low Temperature Seamless Pipe  ASTM A333 Gr. 3/6
 Low Temperature Seamless Tube  ASTM A334 Gr. 6
 High Yield Seamless Pipe  API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2
 High Yield Seamless Pipe  ISO 3183 Gr.L245, L290, L320, L360, L390, L415, L450, L485
 Atmospheric & Low Temp EFW Pipes  ASTM A671 Gr. CC60/CC65/CC70
 High Pressure & Moderate Temp EFW Pipes  ASTM A672 Gr. B60/B65/B70/C55/C60/C65/C70
 High Yield ERW/SAW Pipe  API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2
 High Yield ERW/SAW Pipe  ISO 3183 Gr.L245, L290, L320, L360, L390, L415, L450, L485



 Additional Testing:
   NACE MR0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc.

 Dimensions:
    All Pipes is manufactured and inspected/tested to the relevant standards including ASTM, ASME, API

 Chemical Requirements

  Type S 
(seamless)		 Type E (electric-
resistance welded)		 Type F (furnace-
welded pipe)
  Grade A Grade B Grade A Grade B Grade A
Carbon max. % 0.25 0.30 0.25 0.30 0.3
Manganese % 0.95 1.2 0.95 1.2 1.2
Phosphorous, max. % 0.05 0.05 0.05 0.05 0.05
Sulfur, max. % 0.045 0.045 0.045 0.045 0.045
Copper, max.% 0.40 0.40 0.40 0.40 0.4
Nickel, max. % 0.40 0.40 0.40 0.40 0.4
Chromium, max. % 0.40 0.40 0.40 0.40 0.4
Molybdenum, max. % 0.15 0.15 0.15 0.15 0.15
Vanadium, max. % 0.08 0.08 0.08 0.08 0.08

 Permissible Variations in Wall Thickness

The minimum wall thickness at any point shall not be more than 12.5% under the nominal wall thickness specified.

Permissible Variations in 
Weights per Foot
Plus or minus 10%

Permissible Variations in 
Outside Diameter

Outside Diameter at any point shall not vary from standard specified more than:

For NPS 1 1/2 and Smaller Sizes For NPS 2 and Larger Sizes
1/64" 1/32" under 1% over 1%under

 Number of Tests Required

Seamless and Electric-Resistance-Welded -- Bending, flattening, tensile on one length of pipe from each lot of 500 lengths or less of a size.
Continuous-Weld -- Bending, flattening, tensile

NPS 1 1/2 & smaller NPS 2 & larger
one / 25 tons one / 50 tons

 Hydrostatic Testing 

 Hydrostatic inspection test pressures for plain end and threaded and coupled pipe are specified. Hydrostatic pressure shall be maintained for not less than 5 seconds for all sizes of seamless and electric-resistance-weld pipe.

 Mechanical Tests Specified

Tensile Test -- Transverse required on ERW for NPS 8 and large.
Sending Test (Cold) -- STD and XS-NPS 2 and under XXS-NPS 1 1/4 and under.

  Degree of Bend Diameter of Mandrel
For Normal A53 Uses 90 12 x nom dia. of pipe
For Close Coiling 180 8 x nom dia. of pipe

Flattening Test -- NPS 2 and larger STD and XS. (Not required for XXS pipe.)

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