2015年10月17日星期六

Guangdong shunde SEKO Machinery Co.LTD.—— 5S mnagement

SEKO Machinery has been promoting 5S management, because the general manager Mr Nv Haihui to lead. 5S including seiri, seiton, seiso, seiketsu and shitsuke.It is held once a week a small comparison, once a month the big appraisal. And aslo set up a special 5S management committee, in order to make the managers and ordinary employees can be fully integrated into the 5S management, better for the standardization of enterprise management. Another set up the 5S special fund to motivate employees, to ensure the 5S results, make the whole company always maintain a clean and tidy appearance, with a thriving vitality!

Guangdong Shunde Seko Machinery & Technology Co.,Ltd.www.gdseko.com
Lucy Xie

sevvice@gdseko.com
Skype:Lucy Xie,SEKO Machinery

Suggested Reading:The introduction of iron

Comparison of standardized steels

Comparison of standardized steels


Time:2015-10-16 17:29:23


Production and Distribution of Iron Ore around the World(2)

1. USA:
Once USA was the highest iron ore-producing country of the world. As indicated in Table 8.1, the percentage of world production of iron ore was 18.1 in 1960 and 9.8 in 1975. But now it produces less than 4 per cent of the worlds production and ranks 7th. The four main iron ore-producing regions of USA are Lake Superior region, north-eastern region, south-eastern region and western region.

(i) Lake Superior Region:

In this region haematite iron ore occurs as long low ridge, the most important of which is the Mesabi Range. Other deposits occur in the Vermilion, Cuguna, Gogebic, Menominee and Marquette ranges. This region comprises north-eastern Minnesota, Michigan and south-eastern Wisconsin states.

(ii) North-eastern Region:

Mainly magnetite ores are mined in the Adirondacks region of New York and the Cornwall area of Pennsylvania. They have the advantage of a central location near the industrial cities of New York and Pittsburgh.

(iii) South-eastern Region:

This region, centered at Birmingham, Alabama, produces both haematite and limonite ores. It is favourably located near the coalfields of the southern Appalachians and serves the iron and steel industry of Birmingham.

(iv) Western Region:

This includes many scattered fields in western USA in the states of Utah, Nevada, Wyoming and California. The ores are transported to the steelworks at San Francisco, Los Angeles, Pueblo, Colorado and Provo, Utah.

2. South Africa:

South Africa emerged as a leading iron ore-producing country of the African continent and ranks 8th in the world iron ore production. In South Africa Transvaal is the main iron ore-producing centre.

Transvaal is having high-grade ore with 60 to 65 per cent iron content. The total reserves have been estimated at 10 billion tons in South Africa. The average annual production of South Africa is 4 million metric tons.

3. Canada:

Canada produces 1.95 per cent of the total world production of iron ore in 2006. Canada has iron ore in the Lake Superior region, as does the USA. The main centres are Schefferville and Wabush City. The iron field covers some 51,800 sq km and is estimated to have 400 million tons of iron reserves. Ore is taken by rail to Sept Isles on the Gulf of St. Lawrence and shipped via St. Lawrence Seaway and Great Lakes to Canadian and US steel-making centres.

4. Sweden:

Sweden is a major iron ore producer in Europe and ranks 10th in the world production. It produces 1.42 per cent of the total iron ore production in 2006. The major iron ore mines of Sweden are located at Kiruna, Malmberget, Dannemore, Grangeberg, Falun, Fargesta, etc. The ore is having high grade magnetite iron, in which iron content is 65 per cent. Sweden used to export about 80 per cent of its production to its neighbouring European countries.

5. United Kingdom:

In the 19th century Great Britain was the leading producer of iron ore of the world but now it is no more in prominence and most of its ores have been exhausted. The area of eastern England is the most important in output of iron ore stretching from Yorkshire through Lincolnshire, Rutland, and Northamptonshire. UK is now a major iron ore importing country.

6. France:

The major producing areas of France are Lorraine, Normandy and Pyrenees. The Lorraine district supplies about 95 per cent of countrys total. Though the metallic content of the ores is about 35 per cent on the average, it can be smelted at a low cost because of calcium carbonate content in the ore. It is the largest single ore-body reserve in Europe. It helped much in setting up steel plants in France.

7. Germany:

The major iron ore-producing areas of Germany are located in West Germany, these are: Saar Vogelsburg, Erzeburg and Westphalia. Germany has considerable reserves of medium quality of ore located in the eastern part of Rhine valley, Siege and Lahn river valley.

8. Spain:

The main areas of iron ore in Spain are Bilbao, Oviedo and Santander of Iberian Peninsula.

Production and Distribution of Iron Ore around the World2

9. Africa:

In Africa, apart from South Africa, other countries having iron ore mining are Tunisia, Algeria, Morocco, Liberia and Mauritania. Mauritania is the 15th iron ore-producing country of the world, which has produced 0.65 per cent iron ore of the world in 2006.

10. Asia:

There are many areas in Asia, apart from China and India, which are having iron ore and also produce a limited quantity. The most notable ones are Iran and Kazakhstan, which rank 12th and 13th respectively in the world. North Korea, Taiwan, Malaysia and Philippines also produce iron ore.

11. Latin America:

In Latin America, Mexico, Venezuela, Chili and Peru are the iron ore-producing countries, other than Brazil. Mexico ranks 14th in world production and its share was 0.77 per cent in 2006. Venezuela has rich iron ore reserve in the Guiana Highlands at Cerro Bolivar and El Pau. Chile exploits deposits around Algarroba in Central Chile and Peru has mines in the Nazca Marcona area.



Guangdong Shunde Seko Machinery & Technology Co.,Ltd.www.gdseko.com
Lucy Xie

sevvice@gdseko.com
Skype:Lucy Xie,SEKO Machinery

Suggested Reading:Production and Distribution of Iron Ore around the World1

Production and Distribution of Iron Ore around the World(1)

Iron ore-producing areas are widely distributed in the world. There are about 60 countries in the world, which produce iron ore.
China, Brazil, Australia, India, Russia, Ukraine, USA, South Africa, Canada, Sweden, etc., are the main producers of the iron ore. Table 8.1 indicates the percentage of the iron ore production in important countries of the world.

1. China:

China now emerged as a leading iron ore-producing country in the world. Till 1975, its production of iron ore in the world was only 6.5 per cent, but in year 2000, China produced 24.3 per cent iron ore of the world. This percentage further increased to 30.77 in year 2006-07, accordingly China is now first in iron ore production in the world.

Its annual production of iron ore is about 520 million tons. China has large iron ore deposits, of which the Manchurian deposits are the most actively mined. Other important regions are the Lower Chang (Yangtze) at Ma’anshan and Tayeh, the Chungking area, and around Taiyuan. Scattered deposits occur in the peninsula, north of Baotou (Paotow), border of Xinjiang (Sinking), at Kiuchure, in the lower Xi Jiang (Si Kang), near Guangzhou (Canton), and on the island of Hainan in the south.

2. Brazil:

Brazil is the world’s second largest iron ore-producing country contributing 17.75 per cent of the world’s total production. Till 1975 its percentage in world production of iron ore was 9.2. The main iron ore-producing areas are located in Itabiria in south-east Brazil. Itabiria is believed to be the richest iron ore reserves in the world – estimated reserves of 35,000 million metric tons.

Brazil’s other important areas of iron ore are: Urucum (Mato Grosso), Catalao (Goias) and Ipanema (Sao Panto). The Carajas iron ore reserve is now identified as one of the main reserves of Brazil. Largely due to the output of this region, Brazil now leads the world in iron ore exports.

3. Australia:

Australia produced 270 million metric tons of iron ore in 2007 and ranks third in world production with 15.98 per cent production. Australia has widely distributed iron ore deposits and reserves which are very large.

The recent working of vast iron ore fields in Western Australia at Mt. Gold-worthy, Mt. Whaleback, Mt. Bruce, Mt. Tom Price, and at Yami Sound has greatly increased production. In Southern Australia, the largest deposit occurs in Iron Knob, Iron Monark, etc. Australia exports most of its iron ore to Japan and European countries.

4. India:

India is the fourth largest producer of iron ore in the world. On an average, India produces about 7 per cent of the world production. It has about 2.6 per cent iron ore reserves of the world.

The leading states and their iron ore-producing areas are as follows:

1 Chhattisgarh: Arindogi, Raoghat and Bailadia (Bastar), Dhalli —Rajbara (Durg), etc.

2disha: Keonjbar, Mayurbhanj and Diringburi districts.

3arnataka: Babudan hill, Hospet, Chitradurg, Tumkur, Sandur and Bellary districts.

4Jharkhand: Noamundi, Notaburu, Pansiraburu, Budaburu, Guo, Barajamada, Meghahataburu in Singhblim district.

5Andhra Pradesh: Anantpur, Kurmool, Adilabed, Karimnegct, etc.

6oa: Bicholim, Sirigao, Mapusa, Netarlim, etc.

7Maharashtra: Pipalagoon, Asola, Lohara in Chandrapura district.

Mostly India’s ore deposits are concentrated in the north-east of peninsular India in the states of Jharkhand, Chhattisgarh and Odisha. Other fields have been discovered in many parts of the country; among them Andhra Pradesh and Karnataka iron ore mines are notable. India also exports large amount of iron ore through Paradip, Muruagao and Vishakhapatnam ports to Japan, Poland, UK, etc.

5. Russia:

The undivided USSR was the leading iron ore-producing country in the world. As shown in Table 8.1, in 1960 and 1975, the production of USSR was 21.2 and 25.4 per cent respectively of the world. But, in 2000 and 2006, it was 6.3 and 6.21 per cent respectively. Now, Russia ranks fifth in iron ore-producing countries of the world. The yearly production of Russia is about 105 million metric tons.

The three main areas of iron ore in Russia are:

(i) Ural Region:

This region is having a high-grade ore and produces about 25 per cent of the country’s total. Magnitogorsk, Novotrotsk, Zlaloust, Nizny Taghil and Seerow are the main areas of this region.

(ii) Moscow:

Tula region also known as Kursk Magnetic Anomaly is having large reserve of iron ore. This region produces high-grade iron ore. Orel and Veroneth are two major areas of this region.

(iii) North-West Russia:

In this region Murmansk and Kovador are significant mining areas of iron ore.

In Russia, most of the iron exploitation and associated industrial development is concentrated near Moscow. Many rich deposits were found in Siberia also.

6. Ukraine:

Ukraine is the sixth leading producer of iron ore in the world and it produced 4.32 per cent of the world production in 2006. Krivoi Rog of Ukraine possesses best iron ore having 68.5 per cent metallic percentage. It contributes 75 per cent production of Ukraine. The estimated reserves of the region are more than 200 million tons. Other regions of Ukraine are Zaporozhe, Zdanow, Lipetsk and Kerch Peninsula.

Guangdong Shunde Seko Machinery & Technology Co.,Ltd.www.gdseko.com
Lucy Xie

sevvice@gdseko.com
Skype:Lucy Xie,SEKO Machinery

Suggested Reading:Comparison of standardized steels

2015年10月13日星期二

The types of carbon steel

1Mild and low-carbon steel
Mild steel, also known as plain-carbon steel, is now the most common form of steel because its price is relatively low while it provides material properties that are acceptable for many applications. Low-carbon steel contains approximately 0.05–0.15% carbon making it malleable and ductile. Mild steel has a relatively low tensile strength, but it is cheap and easy to form; surface hardness can be increased through carburizing.

It is often used when large quantities of steel are needed, for example as structural steel. The density of mild steel is approximately 7.85 g/cm3 (7850 kg/m3 or 0.284 lb/in3)[4] and the Young's modulus is 210 GPa (30,000,000 psi).

Low-carbon steels suffer from yield-point runout where the material has two yield points. The first yield point (or upper yield point) is higher than the second and the yield drops dramatically after the upper yield point. If a low-carbon steel is only stressed to some point between the upper and lower yield point then the surface may develop Lüder bands.[6] Low-carbon steels contain less carbon than other steels and are easier to cold-form, making them easier to handle.

2Higher-carbon steels

Carbon steels which can successfully undergo heat-treatment have a carbon content in the range of 0.30–1.70% by weight. Trace impurities of various other elements can have a significant effect on the quality of the resulting steel. Trace amounts of sulfur in particular make the steel red-short, that is, brittle and crumbly at working temperatures. Low-alloy carbon steel, such as A36 grade, contains about 0.05% sulfur and melts around 1,426–1,538 °C (2,599–2,800 °F). Manganese is often added to improve the hardenability of low-carbon steels. These additions turn the material into a low-alloy steel by some definitions, but AISI's definition of carbon steel allows up to 1.65% manganese by weight.

Guangdong Shunde Seko Machinery & Technology Co.,Ltd.www.gdseko.com
Lucy Xie

sevvice@gdseko.com
Skype:Lucy Xie,SEKO Machinery

Suggested Reading:The USA raw steel production slips 0.5 percent from previous week

The USA raw steel production slips 0.5 percent from previous week

According to the American Iron and Steel Institute (AISI), in the week ending October 3, 2015, US domestic raw steel production was 1,727,000 net tons while the capability utilization rate was 72.2 percent. Production was 1,862,000 net tons in the week ending October 3, 2014 while the capability utilization then was 77.4 percent. The current week production represents a 7.3 percent decrease from the same period in the previous year. Production for the week ending October 3, 2015 is down 0.5 percent from the previous week ending September 26, 2015 when production was 1,735,000 net tons and the rate of capability utilization was 72.6 percent. Adjusted year-to-date production through October 3, 2015 was 67,819,000 net tons, at a capability utilization rate of 72.5 percent. That is down 8.0 percent from the 73,727,000 net tons during the same period last year, when the capability utilization rate was 78.0 percent.

Guangdong Shunde Seko Machinery & Technology Co.,Ltd.www.gdseko.com
Lucy Xie

sevvice@gdseko.com
Skype:Lucy Xie,SEKO Machinery

Suggested Reading:What is the carbon steel?

2015年10月11日星期日

The profile of the ThyssenKrupp

ThyssenKrupp AG is a German multinational conglomerate corporation based in Duisburg and Essen, Germany. The corporation consists of 670 companies worldwide. While ThyssenKrupp is one of the world's largest steel producers, the company also provides components and systems for the automotive industry, elevators, escalators, material trading and industrial services.As of a 2009 reorganization, it is structured into eight business areas that fall under two major divisions, Materials and Technologies. The Materials division concentrates on carbon steel, stainless steel, and material services while the Technology Division concentrates on elevator, plant and components technology, and marine systems. The company is the result of the 1999 merger of Thyssen AG and Krupp, and now has its operational headquarters in Essen. The largest shareholder is the Alfried Krupp von Bohlen und Halbach Foundation, a major German philanthropic foundation, created by and named in honour of Alfried Krupp von Bohlen und Halbach, former owner and head of the Krupp company, once the largest company in Europe.
ThyssenKrupp has 5,500 employees and generates €1.6 billion in revenue in Spain, where it mainly manufactures elevators. Italy, where the company produces most of its stainless steel, generates €2.3 billion in revenue. The businesses in those two countries make up 9% of all sales for the company.

ThyssenKrupp's products range from machines and industrial services, to steel production and shipbuilding. It also has activities in the sphere of defence.

Construction of the corporate headquarters began in 2007. The first buildings were complete in 2010; the second phase of building was completed in June 2015. Situated in the west of Essen, the corporate campus was designed by Chaix & Morel et associeés (Paris) and JSWD Architekten (Cologne). Their design was selected for construction in an architectural design competition in 2006.
sevvice@gdseko.com
Skype:Lucy Xie,SEKO Machinery

Suggested Reading:The types of stainless steel