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Stainless Steel ASTM A312 TP316 / 316L Seamless / Welded Pipes

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Stainless Steel ASTM A312 TP316 / 316L Seamless / Welded Pipes

Brand Name : YUHONG

Model Number : TP316/316L

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 1pc

Price : NEGOTIABLE

Payment Terms : T/T, L/C

Supply Ability : according to client requirements

Delivery Time : 5-80 DAYS

Packaging Details : according to client requirements/wooden case packing/Woven bag packing

Material : TP316/316L

Standard : ASTM A312-2018

Certificate : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Surface : Pickled Annealing Surface

Third Party Inspection : BV,SGS,ASP

DNT : RT

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Stainless Steel ASTM A312 TP316 / 316 L Seamless / Welded Pipes

Description

ASTM A312 is a specification for seamless and welded austenitic stainless steel pipes that perform well in high temperature and corrosive environments.TP316 is derived from the classic "18-8" (TP304) stainless steel by adding molybdenum to enhance pitting resistance in chloride environments. TP316L is a low carbon version of TP316 where the low carbon content improves sensitization and thus welding corrosion resistance.

ASTM A312 TP316 and TP316L are designated as UNS S31600 and UNS S31603, respectively. Although the price is higher, pipes made of TP316/ TP316L have higher corrosion resistance than TP304/ TP304L. They can be used in a variety of corrosive chemical process pipes, including inks, rayon, photographic chemicals, paper, textiles, bleach and rubber.

These seamless pipes are highly resistant to chloride corrosion, so 316l stainless steel pipes are resistant to pitting and crevice corrosion even in chlorine-rich environments. Our stainless steel tube 316l seamless products can be used in Marine, Marine applications, seawater purification systems and wastewater management applications. Pipes have different schedules to accommodate different diameters and wall thicknesses. Stainless steel pipe 316l Schedule 40 is a medium range of pressure containment capacity, while stainless steel pipe 316l Schedule 10s wall thickness is relatively small. Our 316l seamless pipe schedule 40 pipe is one of the most used pipes in the oil and gas industry. Our electrically resistant welded SS 316l Erw tubes are stronger and have a longer service life. The advantage of 316l welded pipes is that they are easy to weld with or without the use of filler materials.

Composition ranges for 316 grade of stainless steels.

Steel Grade Chemical Composition (%)
C Mn P S Si Cr Ni Mo
TP316 0.08 2 0.045 0.03 0.75 16.0-18.0 11.0-14.0 2.00-3.00
TP316L 0.035 2 0.045 0.03 0.75 16.0-18.0 10.0-14.0 2.00-3.00

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

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 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

Application

The grade 316L steel can be made into plates, sheets, and coils to be used in the following:

  • Food preparation equipment particularly in chloride environments.
  • Laboratory benches & equipment.
  • Coastal architectural panelling, railings & trim.
  • Boat fittings.
  • Chemical containers, including for transport.
  • Heat Exchangers.
  • Woven or welded screens for mining, quarrying & water filtration.
  • Threaded fasteners.
  • Springs.

Stainless Steel ASTM A312 TP316 / 316L Seamless / Welded Pipes


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316L Seamless Stainless Steel Pipes

      

ASTM A312 Seamless Pipes

      
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