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19 Feb 2018 09:40 , News

Owing to the unique combination of properties of stainless alloys they are indispensable in modern medicine. The required materials properties include good corrosions resistance in body fluids, biocompatibility, good strength to-weight ratio, fatigue resistance and a low magnetic susceptibility. The term biocompatibility is not well-defined but can be described in simple terms as the ability to perform adequately in a specific situation in the human body.

19 Feb 2018 09:33 , News

An Achilles heel of austenitic stainless steels is the susceptibility to stress corrosion cracking (SCC). However, when the nickel concentration exceeds about 20% considerable improvement in the resistance to stress corrosion is observed (Fig 1). Nickel-rich austenitic stainless steels (NiASS), therefore, deserve to be treated as an own family. In fact, for nickel concentrations beyond about 30% the resistance to stress corrosion is comparable to that of duplex and ferritic stainless steels.

19 Feb 2018 09:30 , News

The sixth article in a series throughout 2017 on the topic of
the seven families of stainless steels; their characteristics,
complementary properties and the wide variety of
applications, from tiny items destined for the human body
to large scale constructions for use in the process industry.
This month looks at stainless steels strengthened by particles
(precipitation hardening).

19 Feb 2018 09:16 , News

When plastically deformed, traditional austenitic stainless steels with 18% chromium and 8% nickel undergo a martensitic phase transformation. This is due to the fact that the austenite phase is not thermodynamically stable at room temperature. As seen in the phase diagram in Fig 1 the phases expected at room temperature (in true equilibrium) are austenite (γ), ferrite (α) and carbides.

7 Feb 2018 16:56 , News

For the ninth consecutive year, Sandvik has been included in RobecoSAM’s world renowned sustainability publication.

6 Feb 2018 09:06 , News

Sandvik will invest about 200 million SEK in a plant for manufacturing fine metal powders in the business area Sandvik Materials Technology. The 4000-square meter facility, producing titanium- and nickel powder, is expected to be up and running by 2020.

31 Jan 2018 16:17 , Press release

Sandvik has announced a price increase effective from 1 February 2018 on all heat exchanger tubing products for North America.

23 Jan 2018 16:07 , News

A survey undertaken by Sandvik has revealed the importance of adopting new technologies, while at the same time keeping costs down for customers purchasing stainless steel.

News

19 Feb 2018 09:40 , News

Owing to the unique combination of properties of stainless alloys they are indispensable in modern medicine. The required materials properties include good corrosions resistance in body fluids, biocompatibility, good strength to-weight ratio, fatigue resistance and a low magnetic susceptibility. The term biocompatibility is not well-defined but can be described in simple terms as the ability to perform adequately in a specific situation in the human body.

19 Feb 2018 09:33 , News

An Achilles heel of austenitic stainless steels is the susceptibility to stress corrosion cracking (SCC). However, when the nickel concentration exceeds about 20% considerable improvement in the resistance to stress corrosion is observed (Fig 1). Nickel-rich austenitic stainless steels (NiASS), therefore, deserve to be treated as an own family. In fact, for nickel concentrations beyond about 30% the resistance to stress corrosion is comparable to that of duplex and ferritic stainless steels.

19 Feb 2018 09:30 , News

The sixth article in a series throughout 2017 on the topic of
the seven families of stainless steels; their characteristics,
complementary properties and the wide variety of
applications, from tiny items destined for the human body
to large scale constructions for use in the process industry.
This month looks at stainless steels strengthened by particles
(precipitation hardening).

19 Feb 2018 09:16 , News

When plastically deformed, traditional austenitic stainless steels with 18% chromium and 8% nickel undergo a martensitic phase transformation. This is due to the fact that the austenite phase is not thermodynamically stable at room temperature. As seen in the phase diagram in Fig 1 the phases expected at room temperature (in true equilibrium) are austenite (γ), ferrite (α) and carbides.

7 Feb 2018 16:56 , News

For the ninth consecutive year, Sandvik has been included in RobecoSAM’s world renowned sustainability publication.

6 Feb 2018 09:06 , News

Sandvik will invest about 200 million SEK in a plant for manufacturing fine metal powders in the business area Sandvik Materials Technology. The 4000-square meter facility, producing titanium- and nickel powder, is expected to be up and running by 2020.

23 Jan 2018 16:07 , News

A survey undertaken by Sandvik has revealed the importance of adopting new technologies, while at the same time keeping costs down for customers purchasing stainless steel.

16 Nov 2017 16:42 , News

Martensite, the hardest structural component in steels, is responsible for the high hardness in many sharp edge tools. The formation of martensite is a remarkable phenomenon in materials science and smiths have known for at least 3000 years how to make use of it to produce implements such as knives, axes and ploughs. Therefore, martensite has played a crucial role in the development of our civilization.

10 Nov 2017 11:31 , News

Number three in a series of eight columns throughout 2017 on the topic of the seven families of stainless steels; their characteristics, complementary properties and the wide variety of applications from the smallest of items destined for the human body to large scale constructions in the process industry. This month features duplex stainless steels which combine the properties of austenite with the properties of ferrite.

3 Nov 2017 13:42 , News

The second in a series of eight columns throughout 2017 on the topic of the seven families of stainless steels; their characteristics, complementary properties and the wide variety of applications from the smallest of items destined for the human body to large scale constructions in the process industry. This article focuses on ferritic stainless steels which are so resistant to stress corrosion.

Press releases

31 Jan 2018 16:17 , Press release

Sandvik has announced a price increase effective from 1 February 2018 on all heat exchanger tubing products for North America.

13 Nov 2017 13:36 , Press release

The company established regional oil and gas headquarters and secured a major control lines project in the region earlier this year; Sandvik will also be exhibiting at ADIPEC 2017

30 Oct 2017 00:00 , Press release

Sandvik has appointed Göran Björkman as new President of business area Sandvik Materials Technology and member of the Sandvik Group Executive Management Team. He succeeds Petra Einarsson who is leaving the company for an external assignment. The change is effective as of 1 November 2017.

26 Oct 2017 16:25 , Press release

Sandvik, the global engineering group, will be among the largescale innovators at this year’s FABTECH 2017 welding products exhibition. More than 1,750 world class suppliers are expected to take part in the upcoming FABTECH trade show, the biggest event in North America for the welding industry.

13 Oct 2017 15:55 , Press release

Sandvik has introduced a price increase effective from October 1, 2017 throughout the Europe, Middle East and Africa (EMEA) region.

6 Oct 2017 12:54 , Press release

Stainless Steel World (SSW) Conference & Exhibition 2017
MECC, Maastricht, The Netherlands, November 28-30

Sandvik stand No. 36, North Hall (N. 165)

19 Sep 2017 15:11 , Press release

Stainless Steel World (SSW) Conference & Exhibition 2017 Maastricht, The Netherlands, November 28-30

Sandvik stand No. 36, North Hall (N. 165)

15 Sep 2017 15:09 , Press release

Sandvik has reported a strong start to 2017 for welding products, materials and solutions. The news follows a global surge in demand for specialized welding expertise, with China and NAFTA representing the two largest growth markets.

Features

2 Aug 2017 01:00 , Feature

In my previous column, I promised to give an overview of the role of molybdenum and tungsten in duplex stainless steels (DSS). They are neighbors of chromium in the periodic table (Group 6B) and even more potent than chromium in preventing pitting, which is shown in the familiar PRE-relation:

PRE = %Cr + 3.3×[%Mo + 0.5%W] + 16%N

26 Jul 2017 01:00 , Feature

Designing a steel that is stainless was considered impossible in the beginning of the 1900’s. A renowned German chemist, G Mars, maintained the opinion that creating a stainless steel is impossible because iron is not a noble metal and its oxides are thermodynamically more stable than the pure metal. The year was 1911 but, by the irony of fate, the two first stainless steels were launched the following year.

19 Jul 2017 01:00 , Feature

Some nitrogen has been present in steel as long as steel-making has taken place. This has been unintentional and, in practice, there have been no means of removing or controlling the nitrogen concentration. It was not until the advent of modern process metallurgical techniques such as AOD, VOD and CLU during the 1970’s that nitrogen could be added to the steel melt in a controlled way and nitrogen, therefore, became an important alloying element.

12 Jul 2017 11:00 , Feature

In this series of articles, the role of the elements nickel, manganese, chromium, molybdenum and nitrogen in the design of duplex stainless steels will be described. An optimum balance between austenite and ferrite is accomplished by a clever use of the alloying elements.

27 Apr 2017 09:05 , Feature

Sandvik and MAN Diesel & Turbo in collaboration on critical component for dual-fuel marine engines, reducing emissions from large cargo vessels.

16 Mar 2016 15:50 , Feature

For decades, scientists have been struggling to harness the power of the ocean in a commercially viable way. Exploiting wave energy correctly can generate electricity, to run a desalination process, pump water, or power homes, among a host of other tasks. It is considered to be the most concentrated and least variable form of renewable energy.

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