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Sanicro35, made for harsh wet corrosive conditions

Sanicro35, made for harsh wet corrosive conditions

Sanicro35 is a new grade introduced by Sandvik in recent years to bridge the performance gap between stainless steels and nickel-based alloys for use in extremely harsh corrosive environments. The main objectives of introducing Sanicro 35 are: (1) Sanicro® 35 aims to fill the gap between standard duplex or austenitic stainless steels with poor performance and less cost effective nickel-based alloys. (2) Sanicro® 35 is optimized for high structural stability, improved weldability and overall producibility. (3) Sanicro® 35 offers excellent corrosion resistance in harsh, high chloride applications (e.g. seawater) and other highly corrosive environments.

The composition of Sanicro 35 is designed with increased nitrogen content for strength, Cr, Mo, and N combined to improve the material’s resistance to point corrosion, and Ni to improve resistance to acid corrosion and structural stability.PREN values up to 52 or more. Has a good mechanical properties index, yield strength can reach 425MPa, between alloy 625 and duplex stainless steel 2205. The maximum allowable pressure exceeds 654SMO and other materials, and the maximum allowable temperature is 430°C. It has excellent resistance to pitting corrosion, crevice corrosion and seawater corrosion, as well as good resistance to hydrochloric acid, sulfuric acid, nitric acid and organic acid corrosion, excellent stress corrosion cracking resistance, and the material has excellent welding performance. Currently Sanicro35 passed the UNSN08935 standard, in line with NACEMR0175/ISO15156-3:20154a and 4c type materials. Conforms to ANSI/NACEMR0103/ISO17495-1: 2016 High alloy austenitic stainless steel and nickel based alloys. Seamless tubes conform to ASTM B163. certified to ASME Code Case 2982. the Boiler and Pressure Vessel Code, Sections VIII, I and II and Special Materials Assessment (PMA) pre-approval, TÜV file 1326W043219.

 

Sanicro has excellent material properties and can be used as an alternative upgrade to current super austenitic stainless steels for a wider temperature range than duplex and super duplex stainless steels, with performance comparable to more expensive nickel-based alloys. sanicro 35 has the same production process as stainless steels and is suitable for a wide range of service and applications.

 

Sanicro® 35 is a new member of Sandvik’s Sanicro® family of nickel-based alloys and austenitic stainless steels, offering higher strength and corrosion resistance over a wider temperature range.

 

Designed for extreme corrosive environments and seawater applications, Sanicro® 35 is ideal for heat exchanger tubes and hydraulic instrumentation tubes. The new alloy offers high strength, good corrosion resistance, structural stability and ease of processing.

 

In the hydraulic instrumentation tubing segment, this new material bridges the gap between stainless steel and expensive nickel-based alloys, helping to streamline inventories, reduce catalogs and provide a safe alternative to existing materials.

 

In the high-performance heat exchanger (HX) segment, Sanicro® 35 achieves higher operating temperatures and is more cost effective than nickel-based alloys. These benefits support lower life cycle costs, eliminate unplanned downtime, resist uniform corrosion and pitting and avoid crevice corrosion.

 

Its versatile material properties mean it can reduce risk and provide customers with a smart and cost-effective option for dealing with corrosion. By bridging the gap between stainless steel and nickel-based alloys, Sanicro® 35 offers an excellent price/performance ratio and the ability to balance heat exchanger performance fluctuations.

 

Instead of choosing a conservative material, Sanicro® 35 gives you the confidence and performance you need to meet your job requirements. In cost-conscious environments, Sanicro® 35 is more than considered a comprehensive tubing solution for many hydraulic instrumentation and heat exchanger challenges.

 

After eight years of testing and full production using recycled steel and a 75-ton melt made with sustainable “green energy,” Sandvik has finally introduced an alloy that bridges the performance gap between standard duplex/austenitic materials and expensive nickel-based alloys.

Sanicro® 35 is a new super austenitic material with 6.5 Mo properties and high performance strength and corrosion resistance at temperatures in excess of 250ºC.

From hydraulic instrumentation tubes to heat exchanger tubes, Sanicro® 35 offers a new high performance alternative to existing grades and a peace of mind for field operators looking for a cost effective material.

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Founded in 1998, FuShun covers an area of 3000 square meters, annual sales volume of 20000 tons. We are engaged in the manufacture and export of Tool Steel, Nickel Alloy, Stainless Steel and other special steel products…,View more content About Me.

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