Piyush steel offers clients the first class reliable piping products with the highest degree of technical skill and commercial services. As a reliable piping product manufacturer, we deal in all types of piping equipment including Stainless Steel 904L Pipes. We position strong emphasis on quality assurance, economic growth, and workforce factor. These are key factors are the key factors of our growth. We deliver these products in various standards, grades, specifications, and designations so as to fulfill multiple requirements of our customers. By providing a high quality of products to our customers we have obtained ISO certifications. This also shows our commitment to offering only high quality of products to our customers. The development of products is done with the help of latest tech and using high quality materials. Also, considering globally approved norms and standards make us able to meet international market standards. We are also sourced with technically skilled professionals who have great experience in this field. They manage all production process which assures only superior quality of products being manufactured by us.
General corrosion properties of the alloy are higher in industrial acidic solutions. it is excellent and better than standard grades. The corrosion resistance properties in the phosphoric environments are strongly influenced by the presence of impurities such as fluorides and chlorides.
Table Of Content
UNS N08904 is a super austenitic grade developed for lower to higher corrosion resistance in the wide range of process environments. Also, it is comprised of chromium and nickel content that is coupled with the additions of molybdenum content. It has also a small amount of copper that assures good excellent to corrosion resistance.
This alloy has chloride stress corrosion cracking resistance. Also, it serves good performance in the pit and crevice corrosion environments. Originally, this grade is designed to withstand in the environments that contain higher sulfuric acids. It also offers good resistance to organic and inorganic acids.
The working temperature of this alloy is between 850 deg C to 1150 deg C. it is also recommended for hot working operations. The standard hot working operation is followed by quenching and solution annealing process. The hot forming operations are stopped at temperatures above 1100 deg C.
Alloy 904L is weldable using common resistance and fusion welding operations. These are also weldable with all standard welding operations. Highly alloyed consumable is preferred to give the best corrosion resistance properties in the welded zones.
Quality control system :
Our quality control system is made as per the specific requirements stated by our customers. Quality checks and inspections are decided to carry out in process inspection labs and record important stages of inspections. We have a separate quality control system that functions under the control of management that follows in the independent production unit. The quality assurance department checks all important functions and operations that are required for high quality production of pipes.
The testing sections starts from the raw material tests and it stop until the product gets dispatched. The tests include-
• Thermal performance test
• Compression test
• Leakage test
• Mechanical test
• Pressure test
• Hardness test
• positive material test
• chemical test
• ultrasonic test
• intergranular corrosion test IGC test
• radiographic test
• pitting corrosion test
Those are raw material test report, specification guide, mill test report, fumigation certificates, quality assurance plan, heat treatment charts, etc.
Wooden cases, plywood cartons, boxes, and cases are used to pack Stainless Steel 1.4539 Seamless Pipes. These are also supplied in the form of big bundles which is covered with a thin film of plastic. This packaging prevents contamination while exporting.
|SS 904L||1.4539||N08904||SUS 904L||STS 317J5L||904S13||Z2 NCDU 25-20||X1NiCrMoCu25-20-5|
Pipe Specification : ASTM A312, A358 / ASME SA312, SA358
Dimension Standard : ANSI B36.19M, ANSI B36.10
Outside Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock
Thickness Range : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type : Seamless / ERW / Welded / Fabricated Pipes
Form : Round, Square, Rectangular, Oval, Hydraulic Etc
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
End Protection : Plastic Caps
Outside Finish : 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
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
|SS 904L||0.020 max||2.00 max||1.00 max||0.040 max||0.030 max||19.00 – 23.00||4.00 – 5.00 max||23.00 – 28.00||1.00 – 2.00|
|Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|7.95 g/cm3||1510 °C (2750 °F)||Psi – 75,000 , MPa – 485||Psi – 40,000 , MPa – 275||20 %|
The full identification of the pipe should be continuously marked down its whole length, including :
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