Manufacture and supplier of ASTM A139 GRADE A, B, C, D, E PIPES.

ASTM A139/A 139M covers five grades of electric-fusion(arc)-welded straight-seam or helical-seam steel pipe. Pipe of NPS 4 (Note 1) and larger with nominal (average) wall thickness of 1.0 in. [25.4 mm] and less are covered. Here we can produce spiral welded pipes in acc. to such standard. The sizes are from 8” to 120”.

A139 Grade B welded pipe/tube is intended for conveying liquid, gas, or vapor.

The size of ASTM A139 Grade B steel pipe/tube

ERW; outer diameter:21.3-660mm thickness:6-25mm
LSAW; outer diameter:325-1524mm thickness:6-50mm
SSAW: outer diameter:219-3200mm thickness:5-25mm

ASTM A139 Grade B Carbon Steel Pipes

  1. Size Range : 4" to 26"
  2. Schedules : 20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH & heavier
  3. Grades : ASTM A139 Grade A, ASTM A139 Grade B, ASTM A139 Grade C, ASTM A139 Grade D, ASTM A139 Grade E
  4. Applications: Oil Refineries, Petrochemicals, Power Generation (Nuclear/Thermal), Steel, Sugar, Boiler Equipments, Pressure Vessels and General Engineering Purposes

End Connections for Line Pipes: Plain, Bevel, Screwed, Threaded

Type: ERW / Welded / Fabricated / CDW

Form: Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes

Length: Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths

End: Plain End, Beveled End, Treaded

End Protection: Plastic Caps

Outside Coating: Black Painting, Anti-Corrosion Oil, Galvanised Finish, Finish as per customer Requirements

Inspection, Test Reports: Mill Test Certificates, EN 10204 3.1, Chemical /Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports, NACE MR0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR

ASTM A139 welded pipes Value Added Services

  • Draw & Expansion as per required Size & Length
  • Fusion Bond Epoxy
  • ARO
  • 3LPE
  • Tar Epoxy
  • Heat Treatment
  • Bending
  • Galvanizing
  • Annealed
  • Sand Blasting
  • Machining etc.

 

A139 Grade B Pipe Chemical Composition

CMnPS
Grade A:.251.00.035.035
Grade B:.261.00.035.035
Grade C:.281.20.035.035
Grade D:.301.30.035.035
Grade E:.301.40.035.035

 

 

ASTM A139 GR B Pipe Pressure Rating

OUTSIDE DIAMETERWALL THICKNESSWEIGHT OF BLACK PIPES
NOMINAL PIPE SIZESTANDARDSTANDARDPLAIN END PIPESTEST PRESSURE
INCHMMINCHMMINCHMMKG/MTRMTR/TONLB/FTFT/TONPSIKPA
3/4201.05026.70.083*2.111.287810.8625627004830
1251.31533.40.109*2.772.094781.4115687004830
1.1/4321.66042.20.109*2.772.693721.81122110006890
1.1/2401.90048.300.109*2.773.113222.09105610006890
2502.37560.30.109*2.773.932542.6483310006890
2.1/2652.87573.00.120*3.055.261903.5362310006890
3803.50088.90.120*3.056.461554.3450910006890
3.1/2904.000101.60.120*3.057.411354.9844312008270
41004.500114.30.120*3.058.371195.6239012008270
51255.563141.30.134*3.4011.58867.7828312008270
61506.625168.30.134*3.4013.85729.3023710006890
82008.625219.10.188**4.7825.264016.961308005520