Virgin engineers today had become a reliable, trustworthy manufacturer, trader and exporter of Stainless steel 347 / 347H instrumentation ball valves. We are providing the product to the global buyers at wider ranges so that all applications desires are fulfilled. The offered ranges are fabricated by using the first class crude materials and advanced technology. The product is austenitic stainless steel that is having columbium that is opposing intergranular corrosion and carbide precipitation.
Meanwhile, we are providing the same at inclusive ranges that very differently in standard specifications. It is thus provided in different sizes, working pressure, standards, dimensions, pressure rating, temperature rating, and end connections. The stainless steel valves are further be customized in terms of sizes and wall thickness according to the specific demands of the esteem buyers. .
What is SS 347/ 347H alloy?
Alloy 347 is the stabilized austenitic chromium alloy that is having columbium that is providing carbide precipitation eliminations and intergranular corrosion as well. This alloy is very well stabilized by the addition of alloying elements like tantalum and chromium and is providing stress rupture and creep rupturing properties. Also, this alloy is used for the exposure where intergranular corrosion and sensitization is of great concern.
However, columbium alloy addition allows this alloy to offer very good corrosion resistance ability. 347H alloy is having high carbon content and is demonstrating well-improved creep resistance and high-temperature properties.
Short description of product fabrications-
Stainless steel 347 / 347H Instrumentation ball valves manufacturing is given very good care so that a high quality of product fabrication is assured. The manufacturing of this product starts by collecting the superior quality of alloy from reliable market mills. The alloy before used is well tested so that its quality can be identified. During the time of development of the ball valves, the manufacturers are making effective utilization of sophisticated technology, newest tools for fabricating the product that assures fine surface finishes and good dimensional accuracy.
The production is done under the tight supervision of professional experts so that they can guide workers in a better way to develop high quality of ball valves.
The product testing is also effectively conducted at the manufacturing plant so that the quality of the produced ranges of ball valves can be checked. The tests are done by experts using modern tools. Testing done is positive material identification test, pitting resistance test, intergranular corrosion test, chemical test, hardness test, and mechanical test. other tests are micro test, macro test, and non-destructive test.
To the buyers, the important documents are essentially offered to clear the confusion that one can have regarding product quality. Quality assurance plan, heat treatment chart, packaging list, raw material test report, material traceability report, NABL approved test report, MTC as per EN 10204/3.1B, radiography test report is provided.
The packaging of Stainless steel 347 / 347H Instrumentation ball valvesfor safer shipping is done into wooden boxes and carton boxes. Also, it is wrapped into environmental poly bags to prevent it from scratches on its body.
ASTM A276, A351, A494 / ASME SA276, SA351, SA494
up to 6000 psi (413 bar).
¼" to 1”
up to 1200°F(648 °C)
Screwed (NPT / BSPP / BSPT)
DIN, ASTM, BS and all International Standards.
|SS 347||1.4550||S34700||SUS 347||08Ch18N12B||X6CrNiNb18-10|
|SS 347H||1.4961||S34709||SUS 347||-||X6CrNiNb18-12|
|SS 347||0.08 max||2 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||9.00 - 13.00||63.72 min|
|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 %|
Stainless Steel S34700, S34709 instrumentation ball valves are manufactured and controlled to international standards such as ASTM, ASME, BS, MSS, EN, DIN or WERKSTOFFE. Our products undergo stringent quality tests before they are dispatched.
The material tests performed on stainless steel 347 / 347H ball valves are burst tests, Ultrasonic Test, Mechanical Testing, Cryogenic testing, low temperature testing, High pressure gas testing, High temperature testing , 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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