304L Stainless Steel Seamless Pipes & Tubes

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Karma Piping offer quality 304L Stainless Steel Seamless Pipes & Tubes

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304L Stainless Steel Seamless Pipes & Tubes
304L Stainless Steel Seamless Pipes & Tubes

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Karma Piping is one of the major Indian manufacturers, exporter & suppliers of 304L Stainless 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.

Benefits of using 304L Stainless Steel

  • Low carbon content eliminates carbon precipitation in the welding process
  • Can be used in severe corrosive environments
  • Weld annealing only required in high stress applications
  • Very similar to Type 304

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304L Stainless Steel Pipes and Tubes Composition

Typical compositional ranges for grade 304 stainless steels are given in table 1.

Table 1. Composition ranges for 304 grade stainless steel

Grade C Mn Si P S Cr Mo Ni N
304 min.
max.
-
0.08
-
2.0
-
0.75
-
0.045
-
0.030
18.0
20.0
- 8.0
10.5
-
0.10
304L min.
max.
-
0.030
-
2.0
-
0.75
-
0.045
-
0.030
18.0
20.0
- 8.0
12.0
-
0.10
304H min.
max.
0.04
0.10
-
2.0
-
0.75
-0.045 -
0.030
18.0
20.0
- 8.0
10.5
-

304L Stainless Steel Pipes and Tubes Mechanical Properties
Typical mechanical properties for grade 304 stainless steels are given in table 2.

Table 2. Mechanical properties of 304 grade stainless steel

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
304 515 205 40 92 201
304L 485 170 40 92 201
304H 515 205 40 92 201
304H also has a requirement for a grain size of ASTM No 7 or coarser.

304L Stainless Steel Pipes and Tubes Physical Properties
Typical physical properties for annealed grade 304 stainless steels are given in table 3.

Table 3. Physical properties of 304 grade stainless steel in the annealed condition

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (m/m/0C) Thermal Conductivity (W/m.K) Specific Heat 0-1000C (J/kg.K) Electrical Resistivity (n.m)
0-1000C 0-3150C 0-5380C at 1000C at 5000C
304/L/H 8000 193 17.2 17.8 18.4 16.2 21.5 500 720

304L Stainless Steel Pipes and Tubes Grade Specification Comparison
Approximate grade comparisons for 304 stainless steels are given in table 4.

Table 4. Grade specifications for 304 grade stainless steel

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
304 S30400 304S31 58E 1.4301 X5CrNi18-10 2332 SUS 304
304L S30403 304S11 - 1.4306 X2CrNi19-11 2352 SUS 304L
304H S30409 304S51 - 1.4948 X6CrNi18-11 - -
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

304L Stainless Steel Pipes and Tubes Corrosion Resistance

Excellent in a wide range of atmospheric environments and many corrosive media. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above about 600C. Considered resistant to potable water with up to about 200mg/L chlorides at ambient temperatures, reducing to about 150mg/L at 600C.

 

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.

304L Stainless Steel Seamless Pipes & Tubes Packaging

Packed 304L Stainless Steel Seamless Pipes & Tubes

304L Stainless Steel Seamless Pipes & Tubes Packaging

Packed 304L Stainless 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?

  • 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.

Other Grade ASTM A312 / TP304L Stainless Steel Products:

  • ASTM A312 / TP304L Stainless Steel Pipe Fittings
  • ASTM A312 / TP304L Stainless Steel Forged Fittings
  • ASTM A312 / TP304L Stainless Steel Threaded Fittings
  • ASTM A312 / TP304L Stainless Steel Buttweld Fittings
  • ASTM A312 / TP304L Stainless Steel Elbow
  • ASTM A312 / TP304L Stainless Steel Tubing
  • ASTM A312 / TP304L Stainless Steel Flanges
  • ASTM A312 / TP304L Stainless Steel Forgings
  • ASTM A312 / TP304L Stainless Steel Rod / Rods
  • ASTM A312 / TP304L Stainless Steel Bar / Bars
  • ASTM A312 / TP304L Stainless Steel Wire
  • ASTM A312 / TP304L Stainless Steel Angle
  • ASTM A312 / TP304L Stainless Steel Channel
  • ASTM A312 / TP304L Stainless Steel Nuts
  • ASTM A312 / TP304L Stainless Steel Bolts
  • ASTM A312 / TP304L Stainless Steel Fasteners
  • ASTM A312 / TP304L Stainless Steel Sheets / Sheet
  • ASTM A312 / TP304L Stainless Steel Plates / Plate
  • ASTM A312 / TP304L Stainless Steel Engineering & Industrial Items

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