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316L Stainless Steel Pipes Tubes
316L Stainless Steel Pipes Tubes Tubing 316L Stainless Steel Pipes Tubes Tubing
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316L Stainless Steel Pipes Tubes Tubing sheet plate flanges pipe tube tubing flange coil strip pipie nipple fasteners bolts nuts screws fittings elbow pipefitting sheetmetal metal supply
316L Stainless Steel Pipes Tubes Tubing 316L Stainless Steel Pipes Tubes Tubing
316L Stainless Steel Pipes Tubes Tubing 316L Stainless Steel Pipes Tubes Tubing
316L Stainless Steel Pipes Tubes Tubing 316L Stainless Steel Pipes Tubes Tubing 316L Stainless Steel Pipes Tubes Tubing
316L Stainless Steel Pipes Tubes Tubing 316L Stainless Steel Pipes Tubes Tubing

316L Stainless Steel Pipes Tubes Tubing

316L Stainless Steel Pipes Tubes Tubing 316L Stainless Steel Pipes Tubes Tubing


316L Stainless Steel Pipes Tubes Tubing

 

316L Stainless Steel Pipes Tubes Tubing
316L Stainless Steel Pipes Tubes Tubing
316L Stainless Steel Pipes Tubes Tubing
316L Stainless Steel Pipes Tubes Tubing

Suppliers Exporters Traders Manufacturers India

Suppliers Exporters Traders Manufacturers India

Suppliers Exporters Traders Manufacturers India

Stainless & Duplex Steel
316L Stainless Steel Pipes Tubes Tubing
Steel Tubes India is a highly acclaimed manufacturer and exporter of 316L Stainless Steel Pipes Tubes | Suppliers 316L Stainless Steel Pipes Tubes Exporters 316L Stainless Steel Pipes Tubes Traders and Manufacturers of 316L Stainless Steel Pipes Tubes India
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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 |

316L Stainless Steel Pipes and Tubes

Type 316L is the low carbon version of 316 stainless. With the addition of molybdenum, the steel is popular for use in severe corrosion environments due to the materials immunity from boundary carbide precipitation (sensitisation). The material is widely used in heavy gauge welded components and weld annealing is only required where the material is for use in high stress environments. 316L has an extensive variety of uses especially in marine applications due to the materials high corrosion resistance.

Benefits of using Type 316L Stainless Steel

  • Low carbon content eliminates carbon precipitation in the welding process
  • Can be used in severe corrosive environments
  • Improved anti-corrosion scope due to added Molybdenum
  • Weld annealing only required in high stress applications
  • Very similar to Grade 316 in chemical composition and mechanical properties

316 & 316L steel plate and pipes have common properties and are often stocked with Dual Certification, where it is determined that both have properties and composition which comply with both steel types. 

Type 316H is excluded from this scenario by virtue of the fact that unlike 316 & 316L, 316H is engineered to work in elevated working temperatures. 

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Product Range

Specifications:
ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
Sizes (Seamless): 1/2" NB - 24" NB
Sizes (ERW): 1/2" NB - 24" NB
Sizes (EFW): 6" NB - 100" NB  

Wall Thickness available:
Schedule 5S - Schedule XXS (heavier on request)

Other Materials Testing:

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

Dimensions:


All Pipes is manufactured and inspected/tested to the relevant standards including ASTM, ASME and API etc.

Background of 316L Stainless Steel Pipes and Tubes

Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. It is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Grade 316 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 316L, the low carbon version of 316 and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm). Grade 316H, with its higher carbon content has application at elevated temperatures, as does stabilised grade 316Ti.

The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

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Composition of 316L Stainless Steel Pipes and Tubes

Table 1. Composition ranges for 316 grade of stainless steels.

Grade C Mn Si P S Cr Mo Ni N
316 Min - - - 0 - 16.0 2.00 10.0 -
Max 0.08 2.0 0.75 0.045 0.03 18.0 3.00 14.0 0.10
316L Min - - - - - 16.0 2.00 10.0 -
Max 0.03 2.0 0.75 0.045 0.03 18.0 3.00 14.0 0.10
316H Min 0.04 0.04 0 - - 16.0 2.00 10.0 -
max 0.10 0.10 0.75 0.045 0.03 18.0 3.00 14.0 -

Mechanical Properties of 316L Stainless Steel Pipes and Tubes

Table 2. Mechanical properties of 316 grade stainless steels.

Grade Tensile Str
(MPa) min
Yield Str
0.2% Proof
(MPa) min
Elong
(% in 50mm) min
Hardness
Rockwell B (HR B) max Brinell (HB) max
316 515 205 40 95 217
316L 485 170 40 95 217
316H 515 205 40 95 217
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Note: 316H also has a requirement for a grain size of ASTM no. 7 or coarser.

Physical Properties of 316L Stainless Steel Pipes and Tubes

Table 3. Typical physical properties for 316 grade stainless steels.

Grade Density
(kg/m3)
Elastic Modulus
(GPa)
Mean Co-eff of Thermal Expansion (m/m/0C) Thermal Conductivity
(W/m.K)
Specific Heat 0-1000C
(J/kg.K)
Elec Resistivity
(nΩ.m)
0-1000C 0-3150C 0-5380C At 1000C At 5000C
316/L/H 8000 193 15.9 16.2 17.5 16.3 21.5 500 740

Grade Specification Comparison of 316L Stainless Steel Pipes and Tubes

Table 4. Grade specifications for 316 grade stainless steels.

Grade UNS
No
Old British Euronorm Swedish
SS
Japanese
JIS
BS En No Name
316 S31600 316S31 58H, 58J 1.4401 X5CrNiMo17-12-2 2347 SUS 316
316L S31603 316S11 - 1.4404 X2CrNiMo17-12-2 2348 SUS 316L
316H S31609 316S51 - - - - -
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Note: 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.

Corrosion Resistance of 316L Stainless Steel Pipes and Tubes

Excellent in a range of atmospheric environments and many corrosive media - generally more resistant than 304. 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 1000mg/L chlorides at ambient temperatures, reducing to about 500mg/L at 600C.

316 is usually regarded as the standard “marine grade stainless steel", but it is not resistant to warm sea water. In many marine environments 316 does exhibit surface corrosion, usually visible as brown staining. This is particularly associated with crevices and rough surface finish.

Heat Treatment of 316L Stainless Steel Pipes and Tubes

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

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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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316L Stainless Steel Pipes Tubes Tubing
 
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exporter of all 316L Stainless Steel Pipes Tubes | Suppliers 316L Stainless Steel Pipes Tubes Exporters Traders and Manufacturers of Seamless Welded Erw Fabricated Pipes Tubes Tubing India