sulfur stainless steel powder technology

Pumping Molten Sulfur: A Challenge for Pump Design ...

Nov 18, 2015· sulfur can still be pumped with an acceptable viscosity. Low flow conditions within the pump could generate an increase in temperature, which could effect lubrication of the bearings. ... Stainless steel is resistant at full range and is the preferred material for phase interfaces with a high H 2S content (pipe columns).

Sulphur Transportation - Sulphuric Acid

Over longer distances, a heating system is required to maintain the sulphur in the liquid state. Truck Transportation. A typical semi-trailer for transporting molten sulphur is shown below. The capacity of the tank is approximately 3,800 USGal and is constructed of stainless steel and is insulated. Standard Molten Sulphur Trailer

Sulfur Price | Sulphuric Acid Analysis & Reports | CRU

CRU's sulphur and sulphuric acid team provides in-depth market analysis, forecasts and price assessments to major fertilizer and metal businesses worldwide. Our market analysis examines supply, demand and prices in all countries and regions. Our multi-commodity coverage across fertilizers and metals allows us to support this analysis with ...

Effects of Sulfur Addition on the Formation of Inclusions ...

Effects of Sulfur Addition on the Formation of Inclusions and the Corrosion Behavior of Super Duplex Stainless Steels in Chloride Solutions of Different pH ... Keywords: polarization, duplex stainless steel, pitting corrosion, inclusion, sulfur ... The Mining and Materials Processing Institute of Japan, Society of Nano Science and Technology ...

Steel Glossary | Glossary of Terms | Platts

Stainless steel accounts for 60-65% of global consumption (~1.2m t/y), and collectively, metallurgical applications take over 90% of nickel demand. In stainless steel, nickel is most associated with austenitic grades (typically 4-22% Ni). It is sometimes present in ferritic …

Making Stainless Steel Stainless | Products Finishing

Aug 01, 2007· The procedure: a) After degreasing, soak parts for 30 min in a 5% solution of sodium hydroxide at 160–180ºF. b) Water rinse the parts thoroughly. c) Immerse parts for 30 min in a 20% by volume nitric acid solution containing 3 oz/gal sodium dichromate at 120–140ºF. d) Remove parts from bath and flush with water.

ASCO Sintering - Stainless Steel

The characteristic common to all stainless steels is high chromium content. Chrome is the most important alloy constituent, ranging from a low of 10.5% in a ferritic grade to a high of 24-26% in an austenitic composition. Nickel is the second most important alloying element, ranging from 3.5-5.5% to 19-22% in austenitic alloys.

STUDIES ON WETTABILITY OF STAINLESS STEEL 316L …

Studies on Wettability of Stainless Steel 316L Powder in Laser Melting Process 535 Journal of Engineering Science and Technology October 2014, Vol. 9(5) Stainless steel 316L was chosen as the material for investigation due to its ready availability in both powder and plate form and its virtue of enormous applications.

Stainless steel - Wikipedia

Stainless steel: 276 is a group of ferrous alloys that contain a minimum of approximately 11% chromium,: 3 a composition that prevents the iron from rusting and also provides heat-resistant properties.: 3 Different types of stainless steel include the elements carbon (from 0.03% to greater than 1.00%), nitrogen, aluminium, silicon, sulfur, titanium, nickel, copper, selenium, niobium, and ...

H-P STAINLESS STEEL Anti-Seize ... - Anti-Seize Technology

H-P Stainless Steel™ Anti-Seize Compound, Nuclear Grade, is formulated with ultra pure graphite and stainless steel powder to meet the demanding requirements of the Nuclear and electrical power generating industry. Each Lot is rigorously tested for halogens, sulfur, nitrates, nitrides, and low melting metal elements specifically restricted for use in Nuclear power plants.

Supplies a Sulfur Granulation and Handling Plant ...

Jan 28, 2011· The pastillation system is based on a Rotoform feeder which deposits droplets of liquid sulfur onto a continuously running stainless steel belt. (Picture: ) Hellenic Petroleum, one of the largest commercial and industrial groups in Greece, is currently modernizing its Elefsis refinery, to produce fuels which meet the latest ...

How should we add Sulfur to molten steel? in which method?

Sulphur is mainly added in liquid steel as pure element or Sulphur iron/Pyrite mineral. Cored wire is the preferred addition method due to Sulphur's low density and low boiling point. Cored wire ...

Stainless Steel Welding - Fronius International

Stainless steel is the term used for alloyed and unalloyed steels with a particularly high level of purity. The proportion of sulfur and phosphorus, the elements accompanying the iron, is below 0.025%. Stainless steel does not have to be rust-proof, but in daily life the term rust-free steel is generally only used to refer to stainless steel.

Study on Friction Behavior of Ferroalloy and Wet ...

1.5 h 210 N 200 rpm 1045 steel Sulfur powder with 2% water, 4 g 20 ± 5 °C 20% ± 5% 2.0 h 210 N 200 rpm 1045 steel Sulfur powder with 2% water, 4 g 20 ± 5 °C 20% ± 5% 2.2. Theoretical Methodology 2.2.1. Frictional Heat Calculation Frictional heat is the main heat source in this sulfur-iron friction system. As indicated in Figure

Issues Relevant to Recycling of Stainless-Steel Pickling ...

Oct 09, 2018· Stainless-steel producers have long paid attention to pickling sludge because of its hazardous nature and chromium content, especially Cr 6+.This sludge is produced in amounts of approximately 3–5% compared with the stainless steel produced, meaning that, for a 1.0 Mt/year stainless steel producer, approximately 50,000–60,000 metric tons of pickling sludge is produced per …

Making Stainless More Machinable | Production Machining

May 19, 2010· They found that sulfur forms compounds in the stainless steels that will help break the stainless steel chip during machining and form a lubrication layer on the top of the cutting tool, reducing friction and extending tool life. The use of sulfur expanded throughout the stainless industry to give rise to free machining grades such as 303, 416 ...

materials via sulfur doping for ultrastable potassium ...

1 Tuning the nitrogen-doping configuration in carbon materials via sulfur doping for ultrastable potassium ion storage Yang Xu,a∆ Changlai Wang,b,c∆ Ping Niu,a Zhiqiang Li,a Lingzhi Wei,a Ge Yao,a Fangcai Zheng* a and Qianwang Chen**a,b a Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Materials, Anhui University ...

(PDF) Considerations for the weldability of types 304L and ...

For acceptable penetration without a risk of crack, the sulfur range should vary from 0.005% to 0.030% for 316 stainless steel with the suggested Cr eq /Ni eq ratio range from 1.43 to 1.9 [11 ...

Steel Choice Matters for Corrosion ... - MoldMaking Technology

Jan 07, 2020· Several tests were conducted on this free-machining stainless steel in laboratory conditions with media containing chloride, condensation and in slightly acidic conditions. A sulfur-alloyed steel was tested for comparison. The results indicated that the free-machining steel and the sulfur-alloyed steel are nearly identical in corrosion resistance.

Metal Vapor Behavior in GTA Welding of a Stainless Steel ...

Jun 29, 2009· The anode was of a low sulfur stainless steel or a high sulfur stainless steel. A viscosity approximation was used to express the diffusion coefficient in terms of viscosity of shielding gas and metal vapor. ... Journal of the Society of Powder Technology, Japan, 10.4164/sptj.46.865, 46, 12, (865-872), (2009). Crossref. Volume 4, Issue 4 ...

Effect of Elemental Sulfur on Pitting Corrosion of Steels

tendency of austenitic stainless steels (SS 316 L and NIT 60) and carbon steel (API 5 LX 60) in the presence of elemental sulfur. The pitting corrosion tendency of alloys was studied by using cyclic polarization technique at two different temperatures with and without elemental sulfur.

NIST - SRM Order Request System SRM 101g - 18 Cr-10 Ni ...

Mar 10, 2002· SRM 101g - 18 Cr-10 Ni Steel (AISI 304L) (powder form) Stainless Steel, AISI 304L, ferrous metals, ASTM C1408,ASTM E0353, ASTM E0354, ASTM E1019,ASTM E1473, ASTM E1587 ... Sulfur 0.0078 ... The collection of this information is authorized under The National Institute of Standards and Technology Act, as amended, 15 U.S.C ...

Material Corrosion Resistance Guide - Fluid Technology

Housings and frames can be furnished in all stainless steel, aluminum or Monel. The exact grade of metal used depends on the nature of the installation. Unless otherwise specified, #304 housings will be furnished when stainless steel is ordered. #316 stainless steel is also available. All Hartzell fans and blowers for corrosive applications

Hierarchical structures of stainless steel 316L ...

Oct 01, 2017· At the beginning of the process a stainless steel start plate with the dimensions 150 × 150 × 10 mm 3 was heated up to 800–820 °C. The temperature of the process was kept between 700–830 °C, measured by the thermocouple under the start plate. After that a layer of powder is brought in by so-called rake system and it is additionally pre ...

Powder metallurgy - Wikipedia

Powder metallurgy (PM) is a term covering a wide range of ways in which materials or components are made from metal powders.PM processes can avoid, or greatly reduce, the need to use metal removal processes, thereby drastically reducing yield losses in manufacture and often resulting in lower costs.. Powder metallurgy is also used to make unique materials impossible to get from melting or ...

Pit Initiation Mechanism at MnS Inclusions in Stainless ...

Aug 22, 2013· Three types of stainless steels were used; commercial types 304 and 303 re-sulfurized stainless steel bars with diameters of 23 mm and a low-sulfur type 304 stainless steel plate prepared by vacuum induction melting. The chemical compositions of the stainless steels are listed in Table I. These stainless steels were heat-treated at 1353 K for 0 ...

Selection of Stainless Steel for Handling Sulphur Dioxide ...

Corrosion risks to stainless steel A 20% concentration of sulphur dioxide dissolved in water at 20 degC can be expected to give a corrosion rate between 0.1 and 1.0 mm/year on 304 types, but a rate below 0.1mm/year on 316 types and hence is 'mildly' corrosive.

Immobilization Of Radioactive And Hazardous Wastes In A ...

stable form of sulfur polymer cement (SPC). In the present work, the mixture of the contaminant(s) and the sulfur mixture which is composed from 95% S and 5% aromatic /or aliphatic hydrocarbons used as polymerizing agents for sulfur (by weight), were added in a stainless steel vessel and primarily heated to …