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Products
  • Name: Boiler pipe
  • Code: 200
  • Time: 2015-02-06
  • Views : 19
  • Sold amount: 0Piece

Usage: Boiler Tube, Construction of boilers, pipelines and equipments for high temperature and pressure services, and also suitable to be curved and flanged.

Process: Seamless

Quality Standard:
ASME SA335 SPECIFICATION FOR SEAMLESS FERRITIC ALLOY STEEL PIPE FOR HIGH TEMPERATURE

Materials: Steel alloys, mainly characterized by chrome-molybdenum

Steel Grade:

  • P1 boiler tube for boiler replacement and repair
  • P5 boiler tube for petroleum
  • P9 boiler tube for petroleum
  • P11  boiler tube for power generation, petroleum, and other high temperature services
  • P22  boiler tube for power generation, petroleum, and other high temperature services
  • P91  boiler tube  for power generation

Grade C Si Mn P S Cr Ni Mo V Al N Cb W B
P1 0.10-0.20 0.10-0.50 0.30-0.80 0.025 max 0.025 max / / 0.44-0.65 / / / / / /
P2 0.10-0.20 0.10-0.50 0.30-0.61 0.025 max 0.025 max 0.50-0.81 / 0.44-0.65 / / / / / /
P5 0.15 max 0.50 max 0.30-0.60 0.025 max 0.025 max 4.00-6.00 / 0.44-0.65 / / / / / /
P5b 0.15 max 1.00-2.00 0.30-0.60 0.025 max 0.025 max 4.00-6.00 / 0.44-0.65 / / / / / /
P5c 0.12 max 0.50 max 0.30-0.60 0.025 max 0.025 max 4.00-6.00 / 0.44-0.65 / / / / / /
P9 0.15 max 0.25-1.00 0.30-0.60 0.025 max 0.025 max 8.00-10.00 / 0.90-1.10 / / / / / /
P11 0.05-0.15 0.50-1.00 0.30-0.60 0.025 max 0.025 max 1.00-1.50 / 0.44-0.65 / / / / / /
P12 0.05-0.15 0.50 max 0.30-0.61 0.025 max 0.025 max 0.80-1.25 / 0.44-0.65 / / / / / /
P15 0.05-0.15 1.15-1.65 0.30-0.60 0.025 max 0.025 max / / 0.44-0.65 / / / / / /
P21 0.05-0.15 0.50 max 0.30-0.60 0.025 max 0.025 max 2.65-3.35 / 0.80-1.06 / / / / / /
P22 0.05-0.15 0.50 max 0.30-0.60 0.025 max 0.025 max 1.90-2.60 / 0.87-1.13 / / / / / /
P91 0.08-0.12 0.20-0.50 0.30-0.60 0.020 max 0.010 max 8.00-9.50 / 0.85-1.05 0.18-0.25 0.04 max 0.030-0.070 0.06-0.10 / /
P92 0.07-0.13 0.50 max 0.30-0.60 0.020 max 0.010 max 8.50-9.50 / 0.30-0.60 0.15-0.25 0.04 max 0.030-0.070 0.04-0.09 1.50-2.00 0.001-0.006

Size Range:

  • Outer Diameter: 1/8″-48″
  • Wall Thickness Schedule: 20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH
  • Lengths:
  1. Fixed length within the random lengths range
  2. Tolerances on fixed lengths: +10/-0mm, for boiler tube and +50/-0mm for header pipe.
  3. Maximum length up to 24mtr

Surface Conditions:

  • Mill Lacquered
  • Galvanized
  • Bare

End Finishes:

  • Beveled
  • Square
  • Threaded
  • Threaded and Coupled
  • Grooved

Protection:

  • Unprotected
  • If requird, the tubes can be delivered with plastic caps at both ends
  • Protection for sea transport on request

Marking:

  • Marking is done according to material standard or as per customer require
  • Tubes can be stenciled on ends or over entire length and die-stamped on one or both ends

Delivery:

  • In hexagonal bundles tied with steel strip.
  • Bundles weight up to 5000kg.

Mill Test Certificates:

  • Product are supplied with 3.1 test certificates, acc. To EN10204
  • Certificate acc. T 3.2 can be agreed at the time of ordering.