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Stainless Steel Welded Pipes

Stainless Steel Welded Pipes
Stainless Steel Welded Pipes
Product Code : 22
Product Description

In three decades of time, we have emerged as a renowned manufacturer and supplier of Stainless Steel Welded Pipes. These pipes are widely used in for conveying liquids, water, acid, slurries and chemicals in different industries such as pharmaceutical, electrical, automotive, railway, paper, sugar and fertilizer. Our Stainless Steel Welded Pipes are offered to the clients in various dimensions, lengths, and thicknesses to meet their specific needs. Be it in domestic market or international, our offered pipes are cherished and acknowledged over the global platform.

Features:

  • Rust proof finish
  • High durability
  • Zero maintenance

Further Details:

Piping ASTM

S.S. Piping to ASTM A-312 (Welded)

Introduction and Scope -

This cover straight seam welded (without the addition of filler metal) austenitic stainless steel pipe intended for high temperature and general corrosive services.

Materials

Material is ordered with the requirements of ASTM A-240 in 340, 340L, 316 & 316L grades regularly. Special grades can be made as per Customer's requirements.

Size Range

  • OD: 3/8" NB (17.2mm) to 8" NB (219.1mm)

  • Thickness: NB size in schedule 5, 10S & 40S

  • Length: As per Customer requirement.

Process Of Manufacture -

The pipe is manufactured from annealed strips on modern continous forming mills with TIG welding process under intert gas atmosphere. All pipes are annealed at a minimum temperature of 1050oC, straightened, pickled and passivated, end finished & 100 % tested in accordance with ASTM A-530.

Tolerances

OD Size Range Over MM Under MM
Upto 1" NB 0.40 0.79
Over 1" NB to 4" NB 0.79 0.79
Over 4" NB to 8" NB 1.57 0.79

Thickness: + or - 12.5% to the nominal wall thickness.

Length: - 0 / + 6 mm

 

Test -

Normal: Tensile strength / Yield strenght / Elongation

  • Flattening
  • Hydrostatic Pressure test

 

Optional: Pneumatic / Air leakage

  • Eddy Current
  • IG Corrosion

 

Marking: All pipes are marked as folows: Bhandari,ASTM A-312 , Grade, Nominal size ,Schedule No, Heat No.

Sl no. Outside Dia Wall Thickness (in mm)
      SCH 5 SCH10S SCH 40S
  Inch MM Thick Kg/mtr Thick Kg/mtr Thick Kg/mtr
1 3/8" 17.2 1.20 0.48 1.65 0.64 2.31 0.86
2 1/2" 21.3 1.65 0.81 2.11 1.01 2.77 1.29
3 3/4" 26.7 1.65 1.03 2.11 1.3 2.87 1.71
4 1" 33.4 1.65 1.31 2.77 2.12 3.38 2.54
5 1 1/4" 42.2 1.65 1.67 2.77 2.73 3.56 3.43
6 1 1/2" 48.3 1.65 1.93 2.77 3.15 3.68 4.11
7 2" 60.3 1.65 2.42 2.77 3.98 3.91 5.52
8 2 1/2" 73.0 2.11 3.74 3.05 5.34 5.16 8.76
9 3" 88.9 2.11 4.58 3.05 6.54 5.49 11.45
10 3 1/2" 101.6 2.11 5.25 3.05 7.52 5.74 13.77
11 4" 114.6 2.11 5.92 3.05 8.48 6.02 16.31
12 5" 141.3 2.77 9.5 3.4 11.74 6.55 22.1
13 6" 168.3 2.77 11.47 3.4 14.04 7.11 28.68
14 8" 219.1 2.77 14.99 3.76 20.25 8.18 43.16

Due to variations between different specifications comparisons made exactly, physical, chemical and mechanical values are also typical and should not be taken as being accurate.

 


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