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Stainless Steel 347H Pipes



ASTM A312 TP 347H Stainless Steel Pipes Stockist in Mumbai India.

ASTM A312 TP 347H Seamless, Welded, ERW Pipes

ASTM A358 TP 347H EFW Pipes Stockist and Supplier in Mumbai India.


Preston Pipes and Alloys strongly urge as pipes exporter, and supplier. We are a boom to provide Stainless Steel 347H Pipes in different standards, specifications, dimensions, and custom length so as to fulfill urgent demands of the clients. We design these pipes with the help of latest machine and equipment o get the precise and high-end surface finish.


SS 347H Seamless Pipes are leakage proof, rugged finish, sturdy finish, and uniform design makes it viable for industrial piping needs. Importantly, these provide exceptional performance while indulging in chemical processing. Within a certain limit, these resists deformations subjected to elevated temperatures.


Technical alerts:
The stainless steel is widely used in marine applications and performs exceptionally in most of these applications. SS pipes look attractive, strong and durable also these require little or no maintenance. However, its non treated version is not suitable for these applications. These are also able to stand in the subject to tensile stress. In some cases, SSC named as stress corrosion cracking occurred in an adverse environment that will be a tragic corollary. So the annealed versions of it are best suitable for marine applications.


Inspection and tests-
Following are the tests are set by global standards only passed product gets dispatched to the customers. That includes- ultrasonic test, radiographic test, pitting corrosion test, Mechanical test, hardness test, tensile test, positive material test, micro, and macro test. Often other tests are chemical test/ spectro analysis, intergranular corrosion test, flaring test, flattening test and visual inspection.


Product reliability reports-
Product invoice, design guide, fumigation certificates, packing list like net and gross weight, quantity and marks and number, NABL test report, and guarantee letter. Other reports include an attested certificate by suppliers, raw material test report, mill test report, quality assurance plan, and heat treatment charts. Buy SS 347H Pipes for long-lasting industrial piping application also for commercial purposes.

Equivalent Grades
STANDARD WERKSTOFF NR. UNS JIS GOST EN
SS 347H 1.4961 S34709 SUS 347H - X6CrNiNb18-12
Stainless Steel 347H Pipes

Standard Specification
Specifications :
Standard :
Seamless Size :
ERW Size :
EFW Size :
Outside Diameter :
Length :
Thickness :
Schedule :
Type :
Form :
End :
ASTM A/ASME SA213, A249, A269, A312, A358
ASTM, ASME and API
1/2″ NB – 16″ NB
1/2″ NB – 24″ NB
6″ NB – 100″ NB
6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available
Single Random, Double Random & Required Length
0.3mm – 50 mm
SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS
Seamless, Welded, ERW, EFW
Round Pipes, Square Pipes, Rectangular Pipe
Plain End, Beveled End, Treaded

Chemical Composition
Grade C Mn Si P S Cr Cb Ni Fe
SS 347H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 19.00 8xC – 1.10 9.0 -13.0 63.72 min

Mechanical Properties
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1454 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Types Of Grade 347H Stainless Steel Pipes
Stainless Steel Grade 347H Pipe

Stainless Steel 347H Pipe

SS 347H Pipes

Stainless Steel 347H Seamless Pipes

AISI 347H Stainless Steel Pipe

ASTM A312 SS 347H Seamless Pipe

ASME SA 312 SS 347H Welded Pipes

Stainless Steel TP347H Welded Pipe Supplier

Stainless Steel 347H Rectangle Pipes Exporter

TP347H Stainless Steel Square Pipes

ASTM A358 Stainless Steel 347H EFW Pipe

INOX 347H Pipes

SS 347H Pipe Equivalent Grades

Stainless Steel 1.4961 Pipe

SS 1.4961 Seamless Pipe

Stainless Steel 1.4961 Welded Pipes

Stainless Steel 1.4961 EFW Pipes

SS S34709 Pipes

Stainless Steel UNS S34709 Seamless Pipe

Stainless Steel S34709 ERW Pipes

Stainless Steel S34709 EFW Pipes

SS SUS 347H Seamless Pipes

SS SUS 347H Welded Pipe

Stainless Steel SUS 347H EFW Pipe


Application Industry

Steel 347H Pipes are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of 347H Seamless Pipes, Welded Pipes through a worldwide network of stock-keeping branches. These are use in various industries like :


Application Industry
  • Chemical Industry
  • Oil & Gas Industry
  • Petrochemical Industry
  • Power Genration Industry
  • Sugar Industry
  • Food Processing Industry
  • Paper & Pulp Industry
  • Offshore and Onshore Services

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