Category: ‘Casting’

ASTM A48 Class 35 Cast Iron

December 17, 2011

Cast iron ASTM A48 class 35 is equal to HT250, FC250, GG25, G25, FGL250, T260, O125, which is a type of high grade gray cast iron. The followings are its application, physical properties, chemical composition and our opinion. ... Read More...

Heat Treatment of Malleable Irons

December 14, 2011

Ferritic and pearlitic malleable irons are both produced by annealing white iron of controlled composition. Malleable irons have largely been replaced by ductile iron in many applications. This is due in part to the necessity of ... Read More...

Heat Treatment of High-Alloy White Irons

December 14, 2011

High-alloy cast irons are an important group of materials whose production should be considered separately from that of the ordinary types of cast irons. The producing foundries usually have the equipment needed to handle the hea... Read More...

Heat Treatment of High Alloy Graphitic Irons

December 14, 2011

High-alloy cast irons are an important group of materials whose production should be considered separately from that of the ordinary types of cast irons. In these cast iron alloys, alloy content is well above 4% and, consequently... Read More...

Heat Treatment Basic Knowledge of Metal Casting

November 16, 2011

Heat treatment is very meaningful for metal casting design engineers and mechanical engineers, and heat treatment is a very high value method used to improve the quality of metal materials. Heat treatment can change or influence ... Read More...

FBO automatic molding line in China

November 15, 2011

As for the sand casting, there are several molding processes, which include manual moulding, machine molding (mechanical moulding), automatic machine molding. The automatic molding include horizontal molding and vertical molding.... Read More...

Tractor Gearbox made in China

November 11, 2011

The main function of the gearbox is supporting the drive shaft to ensure that the center distance between the axis and parallel, and to ensure tractor gearbox components connected with other parts of the correct installation. ... Read More...

Ductile iron in China

November 11, 2011

Ductile iron is also known as nodular cast iron, spheroidal graphite iron, spherulitic iron.Ductile iron is a kind of spherical graphite cast iron. The globalization and inoculation processes effectively improved the mechanical p... Read More...

Cast Iron Stove Burner

November 11, 2011

Cast iron stove is produced by material of gray iron of ASTM 20 grade. The production technology is shell molding and green sand molding process. The advantages of cast iron stove burners are low production cost, durable and ... Read More...

Basic Knowledge of Metal Casting

November 9, 2011

Metal casting has been widely used in our residential and industrial fields. Casting is the foundation of modern machinery manufacturing industry. Casting process is to pour the melted metal into the mold, after the solidific... Read More...

How to prevent sand holes in iron castings

November 9, 2011

As for the resin sand molding, water glass sand molding, although the intensity of the two molding are very high, sand holes will still appear in iron castings. Reason: Sand cleaning is not thorough. There are residual sand i... Read More...

Iron casting and resin sand casting equipments development in China

November 9, 2011

China has becomes one of the world's largest casting machine manufacturer. China foundry machinery manufacturing industry has made great achievements in recent years. Since 1985, the original mechanical and electrical ministry b... Read More...

Floor Molding Process Introduction

November 9, 2011

Floor molding is a traditional sand molding process. Floor molding means we make the sand casting on floor or ground by sand boxes. The deference from other casting method is we use green sand or resin sand, and mold by manual,... Read More...

ASTM A182 F22, A182 F11, A387 Gr11, A355 p5

November 1, 2011

A182 is the standard specification covering forged or rolled and stainless steel pipe flanges, forged fittings and valves and parts for high temperature usage in pressure systems with a temperature range from -20°F to 1100°F. ... Read More...

Ductile Iron Application

October 27, 2011

The scope of ductile iron application can be divided into four fields: First, pressure pipes and fittings. Second, the automobile industry. Third, agriculture, road and construction applications. Fourth, general engineering. ... Read More...

The Difference between Pig Iron and Wrought Iron

October 27, 2011

Pig iron usually refers to the iron alloy with carbon content of the 2 to 4.3%, also known as cast iron. Besides carbon, pig iron also contains silicon, manganese and small amounts of sulfur and phosphorus, it can not be forge... Read More...

Industrial Burners – Natural gas burners Propane gas burners

October 27, 2011

Industrial burners mean the natural gas burners or propane gas burners, which are used in industrial fields such as in hospital, restaurant, factories etc. In USA, the industrial burners have been widely used for long history... Read More...

Properties of Gray Cast Iron

October 27, 2011

Gray cast iron can be regarded as carbon steel as matrix organization with graphite flakes added. Gray cast iron can be divided into three categories according to the different matrix organization: ferritic matrix of gray cast ... Read More...

How to select iron casting process?

October 27, 2011

The most common iron casting process is sand casting, followed by special casting methods, such as metal mold casting, investment casting, plaster casting and so on. The sand casting process can be divided into green sand, org... Read More...

The problem with brake drum made in China

October 26, 2011

The material degree for brake drums is gray iron class 35 (HT250, FC250, GG25, ISO300, G250) with 1% copper (Cu). Their Brinell Hardness should be HB 180-250. Their weights are usually from 10kg to 45kg. They are widely used fo... Read More...

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