Stainless Steel 304H Instrument Air Header

304H Stainless Steel Instrument Air Header, Grade 304H Stainless Steel Instrument Air Header, UNS S30409 Instrument Air Header Suppliers, DIN 1.4301 Instrument Air Header, SS Gr.304H Industrial Instrument Air Header Manufacturers in Mumbai, India.

The SS 304H Instrument Air Headers are popularly used to supply good amount of instrument airs. Besides, these air headers are designed using dissimilar alloys and their grades. Selecting good Air headers of good alloy material can be made by using the versatile material made headers. And the versatile material is Stainless Steel which is an iron alloy having slight amount of chromium present in it. The addition of chromium offers excellent resistance to corrosion and other good properties. There are some other good chemical elements added such as molybdenum, carbon, silicon and sulfur which gets added up and offers excellent resistive properties and improved mechanical properties. The Stainless Steel comes in various grades and the most widely used grade for manufacturing Air headers by the industries is SS 304H.

304H Stainless Steel Air Headers, SS 304H Instrument Air Header Exporters, SUS 304H RSI Air Headers, Stainless Steel 304H Ped-Lock Air Headers, Grade 304H SS KE Grey Air Header Supplier in Mumbai, India.

AISI 304H Pneumatic Air Headers, 304H Stainless Steel SMIPL Air Header, SS 304H INX Polished Air Header, Austenitic Stainless Steel 304H NE Air Headers, SS 304H KE Grey Stainless Steel Air Header, SS 304H United Air Header, 304H Stainless Steel HYPER VALVES 2" Air Header.

About the grade:
Alloy 304H which is a modified version of 304 is nickel chromium based austenitic SS that offers excellent properties and other specifications to the fabricated air headers. The high carbon content of the grade helps in offering excellent strength at high temperature and other good properties. The grade is widely economical and versatile resistance to corrosion alloy which stands out to serve its good properties to the products. Alloy 304H has improved general corrosion resistance similar to the 304. The grade can resist easily atmospheric corrosion and oxidizing environment. Because of its high carbon content presence, the grade is subjected to carbide precipitation in the highly heat affected zone of welding and fabricability. The Stainless Steel 304H grade is highly non-magnetic in annealing conditions but can show up to magnetic property as well when performed various heat treatments methods. The grade becomes magnetic when subjected to cold working welding process. The SS 304H Instrument Air Header offers high tensile strength, great yield strength, excellent elongation and great creep and stress rupture properties. The SS 304H can moderately offer resistive property over organic and acetic environment. The presence of nickel in the alloy offers moderate resistance to reducing acids which includes phosphoric acid and other acidic environment.

As there is an increase in the amount of molybdenum in it, the grade can easily perform well in high level of chloride based fresh waters and marine applications. Also, the balanced chemical composition of the grade enables the product to perform well in severe environment.

Services offered by manufacturer:
Virgin Engineers, one of the leading names in the industry offers high quality of Stainless Steel 304H Instrument Air Header to our customers across the globe. Our great unique facilities make us the leading exporter in the competitive market.

Documents covered:
We also offer testaments to their buyers which helps them to counterpart the product with it. Documents such as fumigation certificate, welding procedure specifications, QAP, heat treatment chart, packaging list, material test certificates and material traceability record are some of the documents offered.

Packaging of the Air Header:
Virgin Engineers use efficient packaging methods in order to avoid any kind of damage to the product. The Stainless Steel 304H Instrument Air Header is packed in large wooden cases and boxes which are fumigation free.



Types and Materials

Instrument Air Header, SS 304H


Port Size

1/4″ / 1/2″ NB SCH 40 / 80 Nipple Toe. Fitted on outlet ports 1/4″ / 1/2″


Working Pressure :

6000 psi [413 bar]



Inlet ½ "x Outlet½", Inlet ¾" x Outlet3/4"


Drain Plug

1/2″ SCH 40 / 80 Nipple TOE Fitted with SS Ball Valve & Drain


Outlet ports :

6way / 8way / 12 way / 16way (Staggering or straight, Single sided or Double sided)


Inlet :

DIN & ANSI 1/2″ / 1″ NB Flanged / Threaded Connections.


Main Pipe :

1″, 1-1/2″, 2″ NB SCH 40 / 80.


End Connections :



Temperature rating

PTFE 450 °[232 °c ]/Grafoil-700° F[371° C]

    SS 304H 1.4301 S30409 SUS 304H
    Grade C Mn Si P S Cr Mo Ni N
    SS 304H 0.10 max 2.0 max 0.75 max 0.045 max 0.03 max 18 – 20 - 8 – 10.5 -
    Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
    8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40 %


Stainless Steel 304H Ped-Lock Air Headers
Ped-Lock Air Headers
Stainless Steel 304H KE Grey Air Header
KE Grey Air Header
Stainless Steel 304H RSI Air Headers
RSI Air Headers
Stainless Steel 304H INX Polished Air Header
INX Polished Air Header
Stainless Steel 304H HYPER VALVES 2 Air Header
Stainless Steel 304H SMIPL Air Header
SMIPL Air Header
Stainless Steel 304H Pneumatic Air Headers
Pneumatic Air Headers
Stainless Steel 304H Air Distribution Header
Air Distribution Header

Quality Assurance

Stainless Steel S30409 Instrument Air Header are manufactured and controlled to international standards such as ASTM, ASME, BS, MSS, EN, DIN or WERKSTOFF. Our products undergo stringent quality tests before they are dispatched.

Material Testing

The material tests performed on Stainless Steel 304H Instrument Air Header are PMI Testing, Ultrasonic Test, Mechanical Testing, Spectro Tests for Chemical Analysis of the grade, Flaring Test, IGC, etc. are some of the tests conducted at our facility. We welcome stage wise inspection from any of your representative or third party inspection agencies.

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