F53 (also known as 2507) Super Duplex is an austeniticferritic (duplex) stainless steel. Consisting of 25% Chromium and 7% Ni. F53 (2507) super duplex, like other duplex grades combines higher corrosion resistance and strength compared to other austenitic stainless steels, while also having superior pitting resistance. F53 boasts higher impact strengths over F51, It is also suitable in applications in environments of -50°F to +600°F temperature range. Like other duplex grades F53 does suffer from embrittlement and loss of toughness, when exposed to prolonged use in applications or environments below -50°F or above +600°F, this is why duplex is not suitable for exposure outside of these ranges.
F53 long weld neck (LWN) flange is a type of flange made from ASTM A182 F53 super duplex stainless steel, featuring a long, tapered hub that extends from the flange face, according to oepipe.com and Projectmaterials. This design provides reinforcement and is particularly suited for high-pressure and hightemperature applications. The extended hub allows for a smooth transition in thickness from the flange to the pipe, reducing stress concentrations.
Long Weld Neck FlangeDrawing
F53/2507 of Chemical composition and Mechanical properties
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New XiFei (SuZhou) Business Co.,Ltd is one of the leading and most respected manufacturers in China. Our products include metals,machinery, containers, construction materials, mechanical products, electrical systems, and medical accessories. Established in1980, XIFEI has been working diligently ever since to embrace the needs of our global customer base.We work to ensure absolute customer satisfaction. Our team has dedicated itself to perfecting our three core components, "Service, Management and Craftsmanship." Our advantage:3S Service(Small Quantity/Short Time/Special Material)
1. who are we?
We are based in Jiangsu, China, start from 2021,sell to South Asia(30.00%),Eastern Asia(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%),Domestic Market(5.00%),North America(5.00%),Northern Europe(5.00%),Central America(5.00%),Africa(5.00%),Southeast Asia(5.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Pipe,Flange,Steel plate,Pipe fittings,Alloy products
4. why should you buy from us not from other suppliers?
Our advantage:3S Service (Small Quantity/Short Time/Special Material) We have our own factories, quality can be controlled seriously. We Specialize in manufacturing about 21 years. We have professional testing department and testing equipment.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA;
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6. Are you trading company or manufacturer ?
We are manufacturer.
7. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
quantity.
8. Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but need pay the cost of freight.
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Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.