304 Stainless Steel Seamless Pipes & Tubes Manufacturer
DM Special Steel Ltd offer quality 304 Stainless Steel Seamless Pipes & Tubes
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304 Stainless Steel Seamless Pipes
We are leading stocking distributors of industrial pipes & tubes, with strategic inventories for quick call-outs. With our extensive knowledge, we can support your company from maintenance to construction of new projects. DM Special Steel Ltd is one of the major Indian manufacturers, exporter & suppliers of 304 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.
DM Special Steel Ltd operates according to an ISO 9001:2008 certified quality programme. A complete range of testing facilities on-site contributes to consistent quality control.
Table 1. Composition ranges for 304 grade stainless steel
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
| 304L | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 12.0 | 0.10 | ||
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | |||
304 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. | |||||
304 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 |
304 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. | |||||||
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.
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Packed 304 Stainless Steel Seamless Pipes & Tubes |
Packed 304 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 304 Stainless Steel Products:
- 304 Stainless Steel Pipe Fittings
- 304 Stainless Steel Forged Fittings
- 304 Stainless Steel Threaded Fittings
- 304 Stainless Steel Buttweld Fittings
- 304 Stainless Steel Elbow
- 304 Stainless Steel Tubing
- 304 Stainless Steel Flanges
- 304 Stainless Steel Forgings
- 304 Stainless Steel Rod / Rods
- 304 Stainless Steel Bar / Bars
- 304 Stainless Steel Wire
- 304 Stainless Steel Angle
- 304 Stainless Steel Channel
- 304 Stainless Steel Nuts
- 304 Stainless Steel Bolts
- 304 Stainless Steel Fasteners
- 304 Stainless Steel Sheets / Sheet
- 304 Stainless Steel Plates / Plate
- 304 Stainless Steel Engineering & Industrial Items
Available Stock at DM Special Steel LtdPipes & Tubes Stock At a Glance:-
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Pipe Gradewise Stock At a Glance:-
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List of Countries where DM Special Steel Ltd supply 316 Stainless Steel Seamless Pipes & Tubes:- |
List of Countries where DM Special Steel Ltd supply Pipes / Tubes :-
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