Standard Stainless Tube Tolerances

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Karma Piping offer quality Stainless Steel Pipes & Tubes

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Karma Piping is one of the major Indian manufacturers, exporter & suppliers of Stainless Steel Pipes & Tubes & OCTG, CRA (Corrosion-Resistant Alloy) Seamless Tubes, Stainless Steel , Super Duplex , Duplex , Welded & Semaless, Carbon Steel Seamless Pipes, Tubes, Capillary Pipes & ‘U’ Tubes for applications in oil & gas, LNG, Thermal & Nuclear Power Plants, Chemical Industries, Fertilizers Plants, (petro) chemical, shipbuilding, desalination, water treatment, energy industries, EPC and Pipes for General Engineering Purpose.

Karma Piping operates according to an ISO 9001:2008 certified quality programme. A complete range of testing facilities on-site contributes to consistent quality control.

Standard Stainless Tube Tolerances

General Service Tube

Specification
Size OD Range Inches
Tolerances
O.D.
Wall
Plus
Minus
Plus
Minus
ASTM-A-632
Under 0.094
.002"
.000"
10%
10%
Welded & Seamless
.094 to 0.187
.003"
.000"
10%
10%
Cold Finished
.188 to 0.500
.004"
.000"
10%
10%
ASTM-A-269
Under 0.500
.005"
.005"
15%
15%
Welded & Seamless
0.500 to 1.499
.005"(1)
005"
10%
10%
General Service
1.500 to 3.499
.010"(2)
.010"
10%
10%
Cold Finished
3.500 to 5.499
.015"(3)
.015"
10%
10%
Hot Finished
5.500 to 8.000
.030"
.030"
10%
10%
Notes: (1) When wall under .065" OD Tol. ±.010" (2) When wall under .095", OD Tol. ±020" (3) When wall under .150" OD Tol. ±.030"

Heat Exchanger Tube

Specification Size OD Range Inches Tolerances
O.D. Wall
Plus Minus Plus Minus
ASTM-A-249 Under 1.000 .004" .004" 10% l0%
ASME-SA-249 1.000 to 1.500 .006" .006" 10% 10%
Welded & Cold Worked 1.501 to 1.999 .008" .008" l0% 10%
Heat Exchanger Tube 2.000 to 2.499 .010" .010" 10% 10%
Average Wall 2.500 to 2.999 .012" .012" 10% 10%
(see Note 1) 3.000 to 4.000 .015" .015" 10% 10%
4.001 to 5.000 .015" .025" 10% 10%
ASTM-A-213 Under 1.000 .004" .004" 20% 0%
ASME-SA-213 1.000 to 1.500 .006" .005" 20% 0%
Cold Finished Seamless 1.501 to 1.999 .008" .008" 22% 0%
Heat Exchanger Tube 2.000 to 2.499 .010" .010" 22% 0%
Minimum Wall 2.500 to 2.999 .012" .012" 22% 0%
(see Note 2 & 3) 3.000 to 4.000 .015" .015" 22% 0%
4.001 to 5.000 .015" .025" 22% 0%
Notes (1) Also available in minimum wall + 18/-0%. (2) Also available in average wall ± 10% (3) Also available hot finished, see specification for tolerances.

Mechanical Hollow Bar

Specification Size OD Range Inches Tolerances
O.D. Wall
.125 to .250 .250 and Over
ASTM-A-511 1.125 to 1.499 ±.005" ±12.5% ±10.0%
AMS 5639 AMS 5648 1.500 to 3.499 ±.010" ±12.5% ±10.0%
Seamless Hollow Bar 3.500 to 5.499 ±.015" ±12.5% ±10.0%
Cold Finished 5.500 to 8.000 ±.031" ±12.5% ±10.0%
ASTM-A-511 1.125 to 2.999 ±.023" ± l5.0% ± 12.5%
Seamless Hollow Bar 3.000 to 5.499 ±.031" ±15.0% ±12.5%
Hot Finished 5.500 to 8.000 ±.047" ±15.0% ±12.5%
Some Hot Finished Sizes may require outside diameter tolerance of ± 1.5% of OD.

The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes.

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Packaging & Shipping

Utmost care is taken towards Packing of the finished products so as to ensure that the resultant Coils, Foils, Tubes ,Pipes and Fittings reach in the same condition as desired by our valued customers.
Packing specifications for various products are:

  • Larger Dia Fusion Welded Pipes are packed with aluminium end caps in a wooden crates.
  • S.S. Automotive Exhaust Pipes & Scheduled pipes both are packed with plastic end caps in wooden crates.
  • Cold Drawn Seamless Stainless Tubes are packed with plastic end caps in a wooden box with an inside thermocoal covering.
  • Coils and Foils are packed in wooden crates.

Stainless Steel Pipes & Tubes Packaging

Packed Stainless Steel Pipes & Tubes

Stainless Steel Pipes & Tubes Packaging

Packed Stainless Steel Pipes & Tubes


Other Packaging information:

  • Bundle Packing
  • Bundle Packing
  • Wooden Case
  • Wooden Case
  • Wooden Case for U Tubes
  • Reinforced by angle bar

Why us?

  • Stainless Steel Seamless Pipes & Tubes Manufacturer since 1996
  • The annual capacity of the plant equals about 12.000 tons
  • Specialized in Pipes & Tubes, Stainless Steel Pipe & Carbon Steel Pipe
  • We export seamless tubes / welded tubes everywhere in the world
  • We have our own warehouse of 10,000 feet, so we can offer best price in the market
  • Supplier and trader of IBR Materials like IBR approved Pipes, IBR Certified Tubes

Heilights:

  • Pipes up to 24" made in continuous production from coil
  • Pipes up to 80" made from single plates
  • Maximum thickness 40 mm

Strength:

  • Contacts with major mills & stockists around the world.
  • Can offer ex-stock materials as well as mill delivery with nominal margins.
  • Complete in-house testing facilities viz. hydro, eddy current, UT, chemical analysis,
  • physical/mechanical, PMI, microscopic examination, etc…
  • Prime and genuine materials with co-relating original test certificates.

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