ASTM A335 Alloy Steel Pipes & Tubes

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ASTM A335 Alloy Steel Seamless Pipes & Tubes Manufacturer
ASTM A335 Alloy Steel Seamless Pipes & Tubes

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Karma Piping is one of the major Indian manufacturers, exporter & suppliers of ASTM A335 Alloy Steel Seamless 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.

 

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ASTM A213 Seamless Ferritic and Austenitic Alloy-Steel Boiler, Heat-Exchanger Tubes

ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes.

Boiler tube accord to standard ASTM SA213 / A213 – Grades T5, T9, T11, T22, T91

Foreign boiler tube Standard:

  • GB3087 – Chinese National Standard
  • GB5310 – Chinese National Standard
  • ASME SA106 – American Boiler and Pressure Vessel Code
  • ASME SA333 – American Boiler and Pressure Vessel Code
  • ASME SA335 – American Boiler and Pressure Vessel Code
  • DIN17175 – German industrial standard
  • EN10216-2 – European Pressure Piping

The main production steel grades:

10 , 20 , 20G , 20MnG , 25MnG , 15CrMoG , 12Cr2MoG , 12Cr1MoVG , 10Cr9Mo1VNb , SA106B ,SA106C , SA333 I level, SA333 VI level, SA335 P5 , SA335 P11 , SA335 P12 , SA335P22 , SA335 P91 ,SA335 P92 , ST45.8 / Ⅲ , 15Mo3 , 13CrMo44 , 10CrMo910 , 15NiCuMoNb5-6-4, etc.

Boiler and heat exchanger tube

Standard :

JIS  G3461 —- Japanese Industrial Standard 
JIS  G3462 —- Japanese Industrial Standards

Uses :

For the boiler pipes, tobacco pipes, superheater tubes, air preheater tubes.

The main production steel grades :

STB340 , STB 410 , STBA22 , STBA23 so on.

Chemical Component

Standard Steel Code Chemical Component(%)
C Si Mn P S Cr Mo Cu Ni V Al W Nb N
ASME SA335 SA335 P11

0.05∼

0.15

0.50∼

1.0

0.30∼

0.60

0.030

≤0.030

1.00

∼1.50

0.50

∼1.00

             
SA335 P12

0.05∼

0.15

≤0.50

0.30∼

0.61

0.030

≤0.030

0.80

∼1.25

0.44

∼0.65

             
SA335 P22

0.05∼

0.15

≤0.50

0.30∼

0.60

0.030

≤0.030

1.90

∼2.60

0.87

∼1.13

             
SA335 P5 ≤0.15 ≤0.50

0.30∼

0.60

0.030

≤0.030

4.00/

6.00

0.45/

0.65

             
SA335 P91

0.08∼

0.12

0.20∼

0.50

0.30∼

0.60

0.020

≤0.010

8.00

∼9.50

0.85

∼1.05

 

0.40

0.18∼

0.25

0.015

 

0.06∼

0.10

0.03∼

0.07

SA335 P92

0.07∼

0.13

≤0.50

0.30∼

0.60

0.020

≤0.010

8.50

∼9.50

0.30

∼0.60

B0.001 0.006

0.40

0.15∼

0.25

0.015

1.50∼

2.00

0.04∼

0.09

0.03∼

0.07

Type of Steel Pipes OD(D) WT(S)
Cold Drawn Steel Pipe OD(mm) Tolerance (mm) Wall Thickness(mm) Tolerance (mm)
>30∼50 ±0.3 >3∼20 ±10%
>114∼159 ±0.8% ≤30 ±10%
>159∼219 ±1.0%
Hot Rolled Steel Pipe >219∼457 ±1.0% ≤20 +10%,-12.5%
>20∼40 +10%,-10%

Mechanical Properties  of ASTM A335 P11

Tensile strength, min, (MPa) 415
Yield strength, min, (MPa) 205
Elongation, min, (%), L/T 30/20

Material & Manufacture

Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.

Heat Treatment

  • A / N+T
  • N+T / Q+T
  • N+T

Mechanical Tests Specified

  • Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test
  • For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.
  • For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.

Notes for Hardness Test:

  • P11 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].

Notes for Bend Test:

  • For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.
  • Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.
  • The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.

Packaging & Shipping

Utmost care is taken towards Packing of the ASTM A335 Alloy Steel Seamless Pipes & Tubes 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.

ASTM A335 Alloy Steel Seamless Pipes & Tubes Packaging

Packed ASTM A335 Alloy Steel Seamless Pipes & Tubes

ASTM A335 Alloy Steel Seamless Pipes & Tubes Packaging

Packed ASTM A335 Alloy Steel Seamless Pipes & Tubes


Other Packaging information:

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

Why us?

  • ASTM A335 Alloy Steel Seamless Pipes & Tubes Manufacturer & Exporter 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 ASTM A335 Alloy Steel Seamless Pipes & Tubes everywhere in the world
  • We have our own warehouse of 10,000 feet, so we can offer ASTM A335 Alloy Steel Seamless Pipes & Tubes best price in the market

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.

Available Stock at Karma Piping

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Please note:
ASTM A312 / A312M – 13 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

 

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