Piyush steel is a specialist manufacturer and supplier of globally approved Stainless Steel 321 Pipe Fittings. Our large and extensive inventory contains pipe fittings in various specifications, designations, standards, and dimensions. We also offer these pipe fittings in tolerance limit and machining allowances for multiple types of applications. We have an experienced team are charged with upholding to quality control systems. Our core strength is a motivated and committed team who works with full efforts to deliver a high quality production.
We are dedicated to catering to all requirements of our customers regarding industrial piping equipment. We have also facilitated production plant having top machinery and tools; also we consider national and international standards in the production process.
Table Of Content
SS 321 is titanium stabilized austenitic SS grade. It has good general corrosion resistance. This alloy has excellent resistance to intergranular attacks in the exposures to temperatures in the chromium carbide precipitation range of 800 deg F to 1500 deg F. this alloy resists oxidation to 1500 deg F to 816 deg F. moreover, this alloy has higher creep and stress rupture properties than other standard alloys. It has also good low temperature toughness. This alloy is also available in higher carbon composition.
This alloy was developed for improved creep resistance and for higher strength at temperatures above 1000 deg F. In most cases; the carbon content on it enables dual certifications. However, this alloy cannot be hardened by the heat treatment process, only cold working operations is desired. In this alloy different welding operations can perform such as TIG, MIG, arc welding and gas welding.
This alloy has great pitting corrosion resistance ability that ensures its workability in odd environments. It is best to use in the crevice corrosion cracking zone. It works great in the chemical-induced environments that contain phosphoric acids, nitric acids, acetic acids, formic acids, and alkalis. It works great in the organic and inorganic compound containing environments.
Here at Piyush steel, we are fully committed to continuous improvement as a strategic approach to attain the highest quality objectives. We have developed quality objectives at each level to ensure requirements are effectively considered in our production facility. Our motto is complete customer satisfaction. We provide our customer's products that confirm all their requirements.Our quality policy is reviewed and communicated to all workers on a regular basis. Our employees adhered and contribute to the efficiency of our quality system at each level of the manufacturing unit. Our commitment guarantees to provide customers only top quality products without compromising quality.
Our quality control team is combined with technical expertise and great knowledge of industrial standards. To verify products exactly made as per the requirements of customers we perform different tests on products. The main tests are impact tests and material tests.
Various documents that are attached with the delivered pipe fittings to the clients are stated below-
We attach some reports and certifications along with products that reflect our quality. We also provide some guides and manuals so the customers can use the product easily. The reports include disinfection certificates, MTC report, product invoice, attested certificates, heat treatment charts, raw material test report, quality assurance report, specification guide, and welding guide.
Stainless Steel S32100 Buttweld Pipe Elbow are delivered in the prominent packing of wooden cases, cartons, and pallets. Each packing is rolled out with a thin film of plastic that protects any type of contamination while exporting.
Yes, 321 stainless steel buttweld fittings can be heat treated. Heat treating can be accomplished by annealing the fittings at temperatures 1050-1150°C for 30 minutes per 25mm thickness, followed by rapid cooling. This process will increase the strength and hardness of the fittings but also makes them more susceptible to corrosion due to their increased hardness.
SS 321 buttweld fittings are crafted with precision and accuracy from pre-shaped stainless steel pieces. A die forms the metal's final shape, and the edges are welded with high pressure. This process ensures that the fitting is of superior quality and can withstand extreme temperatures and corrosive materials. Heat treating can further strengthen and harden the fittings by annealing them at temperatures between 1050-1150°C for 30 minutes per 25mm thickness. However, this process may make them more susceptible to corrosion due to increased hardness.
|SS 321||1.4541||S32100||SUS 321||X6CrNiTi18-10|
Specification : ASTM A403 / ASME SA403
Dimension Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Type : Seamless / Welded / Fabricated
|SS 321||0.08 max||2.0 max||1.0 max||0.045 max||0.030 max||17.00 - 19.00||0.10 max||9.00 - 12.00||5(C+N) – 0.70 max|
|Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|8.0 g/cm3||1457 °C (2650 °F)||Psi – 75000 , MPa – 515||Psi – 30000 , MPa – 205||35 %|
The full identification of the pipe fittings should be continuously marked down its whole length, including :
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