Stainless Steel 347/347H Instrumentation Accessories Manufacturer

SS 347 instrumentation fittings have several unique properties that make them popular among different industries. Normally made from stainless steel, these fittings come in various sizes, shapes & designs to suit the requirements of a particular application. They are designed to facilitate the installation of pipes and tubes in hydraulic, gas, oil, and other applications requiring precision engineering.

SS 347 Instrumentation Fittings main advantages are their excellent resistance to corrosion & high temperatures. They can withstand harsh environments & making them ideal for use in various applications. SS 347 instrumentation fittings are designed to hold high pressure & can handle flow rates even in the most demanding conditions.

Stainless Steel 347 Instrumentation Fittings have been used in many different industries. They are commonly used in the oil and gas industry because they can handle harsh conditions in offshore rigs. Other industries that use SS 347 instrumentation fittings include chemical manufacturing, marine, food, construction & many more. These fittings can be customized to meet different industrial needs, making them an attractive option to many. The high-quality stainless steel products we provide at Global Steel include Stainless Steel 304 Instrumentation Accessories, Stainless Steel 347 Instrumentation Accessories and more.

Stainless Steel 347H Instrumentation Fittings are known for various properties, including high strength, resistance to heat and corrosion, and quality material. They are also leak-tight, ensuring gas and liquid cannot escape the system and improving operational efficiency. SS 347H Instrumentation Tube Fittings are easy to install and dismantle, making them time-efficient & they have an appealing visual appearance, making them perfect for projects requiring more than just functionality. We provide an extensive range of products, such as Hastelloy C276 Valves, Stainless Steel 904L Pipe Fittings and more.

SS 347H Instrumentation Fittings are an excellent choice for any industry that requires high-pressure applications. They offer a range of benefits, including resistance to corrosion, strong and durable material, leak-tight, easy to install and dismantle & excellent visual appearance. SS 1.4961 Instrumentation Tubes Fittings are also widely used in various industries such as chemical, oil & gas, marine, food & construction industries.

Hardness of 347 stainless steel Instrumentation Accessories hardness?

The hardness of 347 stainless steel Instrumentation Accessories is typically measured using the Rockwell scale. The Rockwell hardness of this material can range from B85 to C35, depending on the specific heat treatment and processing of the material. In general, 347 stainless steel has good hardness and strength, making it suitable for use in high-temperature and high-pressure applications. However, it is important to note that the hardness of this material can vary based on factors such as heat treatment, processing, and other material properties.

What is the chemical composition of stainless steel 347?

Stainless steel 347 is an austenitic stainless steel alloy that contains a relatively high amount of chromium and nickel. The chemical composition of this alloy typically includes 17-19% chromium, 9-13% nickel, and 0.08% carbon. It also contains small amounts of other elements such as manganese, silicon, phosphorus, sulfur, and nitrogen. Adding niobium (columbium) to the composition of 347 stainless steel provides improved resistance to intergranular corrosion. Overall, this composition gives 347 stainless steel good resistance to corrosion and high-temperature oxidation, making it suitable for various applications in various industries.

What is Stainless Steel 347H Instrumentation Accessories?

Stainless Steel 347H is a high-carbon version of the 347 austenitic stainless steel alloy. Instrumentation accessories made of stainless steel 347H are intended for high-temperature applications that demand solid mechanical characteristics and resistance to oxidation and corrosion. These accessories’ exceptional strength, toughness, and resistance to intergranular corrosion are well known. They are extensively employed throughout several industries, including power generation, oil and gas, and chemical processing. Additionally, they are durable, long-lasting, and require minimal maintenance, making them a cost-effective option for use in harsh environments.

Specification of SS 347, 347H Instrumentation Accessories

Syphon Size 1/2 inch
Condensate Pot Size Pipe size 2″, 3″, 4″, 6″ and larger size upon request.
Standard length: Pipe length 8″, 10″, 12″, and larger length upon request.
Pipe Schedule: 40, 80, 160, seamless pipe.
NPT as per ANSI B2.1 taper pipe thread?” furnished.
Socket weld as per ANSI B16.11
Butt weld as per ANSI B16.9
Working pressure: 6000 PSIG (41.34 MPa).
Snubber Size Bore sizes 3/4″ to 10″ in diameter
Travel ranges from 5″ to 20″
Load capacities from 738 lbs. to 187,900 lbs.
Pipe Clamps 1/2 – 18 Inch
Types Condensate Pot, Air Header, Pipe Clamp, Quick Release Coupling, Syphon Tube / Pipe, Pipe Clamp, Snubber, Lock Nut For O-seal, Gauge Snubber, Thermocouple, Thermowell, Gauge Adaptors, Gauge Saver, Pressure Gauge Accessories, Mini Ball Valve, Over-Pressure Protector, Cooling Tower, Adjustable Snubber
Application Power/ gas/ petroleum/ chemical/ metallurgy/ shipbuilding etc.
Air Header Size Inlet Connection Size:1/2, 3/4, 1 inch Raised Face, Female NPT, BSPT, BSPP
2″,3″ & 4″. inches
Drain Connection Type:Female NPT, BSPT, BSPP
Drain Port Size:1/2″, 3/4″, 1″
Working Pressure:6000 psi [413 bar]
Test Certificates
  • EN 10204/3.1B
  • Raw Materials Certificate
  • 100% Radiography Test Report
  • Third Party Inspection Report, etc
Stainless Steel 317 / 317L Instrumentation Accessories

Equivalent Grades

SS 347 1.4550 S34700 SUS 347 08Ch18N12B X6CrNiNb18-10
SS 347H 1.4961 S34709 SUS 347H X6CrNiNb18-12

Different Types

SS 304, 304L, 304H Condensate Pot

SS 347, 347H Condensate Pot

SS 304, 304L, 304H Pipe Clamp

SS 347, 347H Pipe Clamp

SS 304, 304L, 304H Air Headers

SS 347, 347H Air Headers

SS 304, 304L, 304H Mini Ball Valve

SS 347, 347H Mini Ball Valve

SS 304, 304L, 304H Snubber

SS 347, 347H Snubber

SS 304, 304L, 304H Quick Release Couplings

SS 347, 347H Quick Release Couplings

Contact us to get a quick quote for your requirement.

We offer These Stainless Steel 347/347H Instrumentation Accessories as per DIN, ISO, JIS or ANSI Standard.

Available Stock

  • Stainless Steel 347H Positionable Lock Nut
  • Stainless Steel 347 Pressure Gauge
  • SS Gr 347H Temperature Gauge
  • Stainless Steel 1.4961 Pressure Gauge Accessories
  • SS 347 Instrument Accessories
  • 347H SS Back Ferrule
  • 347H Stainless Steel Lock Nut For O-seal
  • 347H Stainless Steel Level Gauge
  • SS 347 Ferrule Pack
  • Stainless Steel 347 Adjustable Snubber
  • 347 Stainless Steel Needle Valve
  • SS 347H Thermowell
  • Grade 347 Stainless Steel Snubber
  • UNS S34709 Precision Turned Components
  • Stainless Steel S34709 Flare End Fittings
  • Stainless Steel 347 Insert
  • Type 347H SS Industrial Instrumentation Accessories
  • Stainless Steel 347 Gauge Union
  • 347 SS Syphon
  • 347H SS Gauge Saver
  • Stainless Steel 347 Flushing Ring
  • SS 347H Over-Pressure Protector
  • Stainless Steel 347H Thermowells
  • INOX 347 Precision Pipe Fittings
  • UNS S34700 Stainless Steel Mini Ball Valve
  • Stainless Steel 347H Gauge Snubber
  • SS 347H MVA 3 & 5 Handle Manifold Valves
  • Stainless Steel 347 SCT Cooling Tower
  • Stainless Steel 347H BBV Double Block & Bleed Valve
  • SS 347 SAS Adjustable Snubber
  • Stainless Steel 347 Pressure Gauge Syphons
  • SS 347H Precision Pipe Fittings
  • 347H Stainless Steel Back Ferrule
  • 347 Stainless Steel Pressure Gauge Accessories
  • SS 1.4550 Gauge Union
  • SS 347 SSN Snubber
  • 347H Stainless Steel NVA Needle Valve
  • SS 347 Test Plug
  • 347H SS Air Headers
  • SS 347 SOP Over Pressure Protector
  • SS 347H Temperature Gauge
  • Stainless Steel 347 Gauge Adaptors
  • Austenitic Stainless Steel 347 Instrumentation Accessories
  • Stainless Steel 347 STP Test Plug
  • SS 347 SMV Mini Ball Valve
  • Stainless Steel 347H Compression Fittings
  • 347H SS SNV Needle Valve
  • SS Grade 347H Manifold & Parts
  • Stainless Steel 347 Ferrule & Single Ferrule Tube Fittings
  • Stainless Steel 347H Fir Isolation Ring Tees

Chemical Structure

Grade C Mn Si P S Cr Cb Ni Fe
SS 347 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 20.00 10xC – 1.10 9.00 – 13.00 62.74 min
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 %

We Serve Application Industry

Application Industry

Instrumentation Accessories applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

Oil & Gas Industry

Petrochemical Industry

Power Generation Industry

Chemical Industry

Global Steelindia

Global Steel is a significant manufacturer and exporter of all ferrous and non-ferrous metals. As a pioneer and leader in the industry, Global Steel is at the forefront of technology and research.

Quick Contact

Shop No.6, Sonarika Bldg, 25/C, Chandawadi, Cawasji Patel Tank, Mumbai, Maharashtra 400004