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304 Stainless Steel Pipes Tubes
304 Stainless Steel Pipes Tubes Tubing 304 Stainless Steel Pipes Tubes Tubing
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304 Stainless Steel Pipes Tubes Tubing 304 Stainless Steel Pipes Tubes Tubing
304 Stainless Steel Pipes Tubes Tubing 304 Stainless Steel Pipes Tubes Tubing
304 Stainless Steel Pipes Tubes Tubing 304 Stainless Steel Pipes Tubes Tubing 304 Stainless Steel Pipes Tubes Tubing
304 Stainless Steel Pipes Tubes Tubing 304 Stainless Steel Pipes Tubes Tubing

304 Stainless Steel Pipes Tubes Tubing

304 Stainless Steel Pipes Tubes Tubing 304 Stainless Steel Pipes Tubes Tubing


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304 Stainless Steel Pipes Tubes Tubing

 

304 Stainless Steel Pipes Tubes Tubing
304 Stainless Steel Pipes Tubes Tubing
304 Stainless Steel Pipes Tubes Tubing
304 Stainless Steel Pipes Tubes Tubing

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Suppliers Exporters Traders Manufacturers India

Suppliers Exporters Traders Manufacturers India

Stainless & Duplex Steel
304 Stainless Steel Pipes Tubes Tubing
Steel Tubes India is a highly acclaimed manufacturer and exporter of 304 Stainless Steel Pipes Tubes | Suppliers 304 Stainless Steel Pipes Tubes Exporters 304 Stainless Steel Pipes Tubes Traders and Manufacturers of 304 Stainless Steel Pipes Tubes India
We Export : Western Australia , Queensland, New South Wales, South Australia, Victoria, Australian Capital Territory, Tasmania, Northern Territory, Ontario, British Columbia, Yukon Territory, Alberta, Manitoba, Saskatchewan, Newfoundland, Prince Edward Island, New Brunswick, Nova Scotia, Eastern Cape, Gauteng, Kwazulu-Natal, Western Cape, England, Scotland, Wales, Northern Ireland, Lagos, Abuja Capital Territory, Vadodara, Mumbai, Chennai, New Delhi, Mahape, Gurgaon, Noida, Bangalore, Coimbatore, Cochin, Ash Sharqiyah, Ar Riyad, Makkah, Dhahran , Riyadh, Jiddah, Jeddah, Masqat, Kwazulu-Natal, Gauteng, Western Cape, Free State, Eastern Cape, Alberta, Saskatchewan, British Columbia, Newfoundland, New Brunswick, Manitoba, Ontario, Nova Scotia, Quebec, Calgary, Edmonton, Vancouver, Toronto, Birmingham, Brentford, Manchester, Bristol, Sheffield, Milton Keynes, London, Poplar, Edinburgh, Thames Ditton
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Stainless Steel Pipes & Tubes

Grades: Type 304 | Type 304L | Type 304H | Type 316 | Type 316L | Type 316H | Type 317L | Type 321 | Type 347  | Type 410 | Type 904L | UNS 32750 Duplex |

304 Stainless Steel Pipes and Tubes

One of the most versatile and commonly used stainless steels on the market, Grade 304 stainless steel is the most standard used alloy of this type. Essentially, Grade 304 is an austenitic chromium alloy which is also known as an "18/8" stainless as the make-up of the steel is 18% chromium and 8% nickel. 

The chromium content promotes the material's considerable resistance to the effects of corrosion and oxidation. The stainless steel alloy resists most oxidizing acids and will withstand ordinary rusting though this does not mean that the steel will not tarnish over time. The steel needs to be cold worked to generate higher tensile strength. For stainless steel sections which are welded heavily, post-weld annealing may be necessary to provide maximum corrosive resistance. 

304 Stainless Steel Pipes and Tubes Product Range
304 Stainless Steel Pipes and Tubes Specifications: ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
304 Stainless Steel Pipes and Tubes Sizes (Seamless): 1/2” NB - 16” NB
304 Stainless Steel Pipes and Tubes Sizes (ERW): 1/2” NB - 24” NB
304 Stainless Steel Pipes and Tubes Sizes (EFW): 6” NB - 100” NB  

304 Stainless Steel Pipes and Tubes Wall Thickness available:
Schedule 5S - Schedule XXS (heavier on request)

304 Stainless Steel Pipes and Tubes Other Materials Testing:

NACE MR0175, H2 SERVICE, OXYGEN SERVICE, CRYO SERVICE, etc.

304 Stainless Steel Pipes and Tubes Dimensions:
 All Pipes is manufactured and inspected/tested to the relevant standards including ASTM, ASME and API etc.


Type 304 Stainless Steel has excellent welding and deep drawing characteristics - it is easy to fabricate, easy to clean and aesthetically pleasing to the eye. 

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Applications of Grade 304 Stainless Steel

The steel is common throughout industry particularly in food processing as the material is not susceptible to corrosion from acids found in common foodstuffs. As a consequence, such steel is ideal for items such as sinks, work surfaces, preparation areas and refrigerators. It is also a perfect material for use in the pharmaceutical industry for environments such as clean rooms. 

Grade 304 can also be found in heat exchangers, chemical containers, pipelines and throughout the brewing industry. It can be used as a fabricated material where high temperature petroleum gases or steam production gases are stored such as pressure vessels. It can even be found extensively in the construction industry where the material is used for cosmetic purposes such as building fascias. 

304 & 304L plate and pipes have similar properties and in certain cases are stocked with Dual Certification, where it is concluded that each item has properties and a composition which comply with both steel types. Grade 304H cannot be included in this equation due to the steel's higher carbon content which is intended for use in elevated temperature applications.

304 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. - - - - - 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
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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
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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.

304 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.

304 Stainless Steel Pipes and Tubes Heat Resistance

Good oxidation resistance in intermittent service to 8700C and in continuous service to 9250C. Continuous use of 304 in the 425-8600C range is not recommended if subsequent aqueous corrosion resistance is important. Grade 304L is more resistant to carbide precipitation and can be heated into the above temperature range.

Grade 304H has higher strength at elevated temperatures so is often used for structural and pressure-containing applications at temperatures above about 5000C and up to about 8000C. 304H will become sensitised in the temperature range of 425-8600C; this is not a problem for high temperature applications, but will result in reduced aqueous corrosion resistance.

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304 Stainless Steel Pipes and Tubes Heat Treatment

Solution Treatment (Annealing) - Heat to 1010-11200C and cool rapidly. These grades cannot be hardened by thermal treatment.

 

Stainless Steel Pipes Tubes
Stainless Steel SS Seamless Pipe
Stainless Steel SS Seamless Tube
Stainless Steel SS Welded Pipe
Stainless Steel SS Saw Pipe Tube
Stainless Steel SS Round Pipe Tube
Stainless Steel SS Dom Pipe Tube
Stainless Steel SS Erw Pipe Tube
Stainless Steel SS Line Pipe Tube
Stainless Steel SS Hollow Pipe Tube

ASTM / ASME SA 312 GR. TP 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L.

ASTM / ASME SA 358 CL 1 & CL 3 GR . 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316H, 321, 321H, 47.

 
Duplex Steel Pipes And Tubes
Duplex Steel Pipes Tubes
Duplex Steel Seamless Pipe
Duplex Steel Seamless Tube
Duplex Steel Welded Pipe Tube
Duplex Steel Saw Pipe Tube
Duplex Steel Round Pipe Tube
Duplex Steel Dom Pipe Tube
Duplex Steel Erw Pipe Tube
Duplex Steel Line Pipe Tube
Duplex Steel Hollow Pipe Tube

ASTM / ASME SA 790 UNS NO S 31803, S 32205, S 32550, S 32750, S 32760.

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304 Stainless Steel Pipes Tubes Tubing
 
304 Stainless Steel Pipes Tubes Tubing
   

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exporter of all 304 Stainless Steel Pipes Tubes | Suppliers 304 Stainless Steel Pipes Tubes Exporters Traders and Manufacturers of Seamless Welded Erw Fabricated Pipes Tubes Tubing India