Piyush Steel is the leading manufacturer, stockiest, supplier of the ASTM A335 GR p91 Alloy Steel Seamless Pipes These seamless pipes are mainly
used for high-temperature services. It is today found used in the applications like shipbuilding, heavy engineering industries, etc. All our ranges of product are industry standard confirming to existing ASTM, ANSI, etc. We are specializing in providing the superior quality of same in both standard and cut-made specifications. To all our buyers the ranges of pipes we are providing are varying in sizes, standards, outer diameter, wall thickness, length, schedules, forms, ends, etc.
We Piyush steel as a manufacturer are making use of superior quality of alloy for manufacturing the superior quality of ASTM A333 GR P91 Alloy Steel Seamless Pipes. The fabrication of these pipes is done under the tight supervision of professional experts that are having good skills of effective quality of seamless pipes development. The development of these pipes is done with the help of modern tools and refined technology for only making the pipes assuring dimensional accuracy and fine surface finishes. All ranges of pipes are developed according to national and international product quality standards.
Table Of Content
Product attribute -
Due to many good attributes that are found in these pipes, the demand has got greater and it is today found used in many industrial applications. The attributes found in the product is-
• High tensile strength
• Good mechanical strength
• Smoothness in surface finishes
• Perfection in dimensional accuracy
• Anti-corrosive body
• Easy to use
• Long-lastingness
• Oxidation/pitting resistance
• Withstanding heavy loads
• Withstanding high temperature
Inspection -
To check how well the entire production process of the seamless steel pipes are going on in the manufacturing industry the thorough inspection is conducted. The inspection is conducted on a timely basis so that no ineffective production of pipes could exist so that it could lead wastage of raw materials. It is conducted by inviting the legally certified third-party agency so that they could perfectly examine each and every stage of the manufacturing process and ensure the goodness of product development.
Testing on pipes -
We aside from inspection is also conducting testing for checking whether the manufactured ranges of ASTM A333 GR P91 Alloy Steel Seamless Pipes are of good quality or not. The testing done is like-
• Positive material identification test (PMI)
• Hardness test
• bend test
• Radiography test
• Machinability test
• Mechanical /chemical test
• Macro-micro test
• Intergranular corrosion test
Test certifications -
We do offer the essential test certifications to our buyers so that we can give surety that we don’t add impurities during pipes development. Also, these TC proves that our product is well tested and then supplied. The TC offered are-
• Raw material certificate
• Third party inspection record report
• Mill test certification as per En 10204/3.1b
• Buyers report
• 100% radiography test report
Documenting of pipes -
We too consider providing the documents of pipes that is assuring that we are manufacturing and supplying the superior quality of pipes. The documents offered are namely-
• Heat treatment chart
• Quality assurance plan
• Packaging list
• Commercial invoice
• Guarantee letter
• Material traceability report
• Raw material test report
Packaging of the pipes -
With the clear aim of delivering the ASTM A333 GR P91 Alloy Steel Seamless Pipes to our buyers without causing damages, the packaging is done very much effective. We are conducting the product packaging in bundles, into wooden/plywood boxes. Also, we are wrapping the pipes using environmental poly bags so that complete safety against damages can be provided to those at the time of transiting.
A335 P91 is an alloy steel composed of chromium, molybdenum and vanadium. The chemical composition of A335 P91 is as follows: Chromium (Cr) - 9.0 - 9.5%, Molybdenum (Mo) - 0.85-1.05%, Vanadium (V) - 0.18-0.25%, Manganese (Mn) - 0.3-0.7%, Carbon (C) - 0.15-0.25%, Phosphorous (P) - 0.025max., Sulfur (S) - 0.025max., Silicon (Si) - 0.50 max., and Iron (Fe).
The difference between P22 and P91 seamless pipe is mainly in the material composition. P22 pipes are made out of ferritic or non-alloy steel, while P91 pipes are made out of alloy steels such as 9 Cr 1 Mo or 6 Mn-4Mo. P91 pipes have higher strength and temperature resistance than P22 pipes and are therefore better suited for high temperature applications. Additionally, a335 gr p91 pipes have a higher creep strain limit than P22 pipes, making them more suitable for applications where extreme stress over long periods of time is expected.
STANDARD | WERKSTOFF NR. | UNS | TRADE NAME |
CrMo P91 | 1.4903 | K91560 | X10CrMoVNb9-1 |
Specification : ASTM A335 / ASME SA335
Dimension Standard : ANSI B36.10
Outside Diameter : 19.05mm – 114.3mm
Wall Thickness : 2.0mm – 14 mm
Type : Seamless
Form : Round, Square, Rectangular, Oval, Hydraulic Etc
Length : max 16000mm
Delivery Condition : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Inspection, Test Reports : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
Packing : Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials : Sizes and Specifications other than above can be manufactured on request
Grade | C | Mn | Si | S | P | Cr | Mo |
P91 | 0.08-0.12 | 0.30-0.60 | 0.20 -0.50 | 0.010 max | 0.020 max | 8.00 - 9.50 | 0.85 - 1.05 |
Element | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
P91 | 585 min | 415 min | 20 min |
The full identification of the pipe should be continuously marked down its whole length, including :
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With Mill And Third Party Test Certificate.
Alloy Steel P91 Pipes Price List
Request the latest Alloy Steel P91 Seamless Pipes Price List. Please Call +91 22 23867540 or Send an Email to [email protected] for Alloy Steel UNS K91560, 1.4903 Seamless Pipes Ready stock information and updated price list.