Steel pipes are indispensable materials for various conventional weapons, barrels and barrels of steel. Steel pipes can be divided into pipes and fittings according to the shape of the cross-sectional area. Roll to the automatic pipe mill. Finally, the uniform machine is wall thick and sizing in the sizing machine to meet the specifications. The use of continuous tube mills to produce hot rolled seamless steel tubes is more advanced. The mechanical properties of steel are an important indicator of the end-use properties (mechanical properties) of steel, the chemical composition and the 304 stainless steel tube, which depends on the steel heat treatment system.
In the steel pipe standard, tensile properties (tensile strength, yield strength, elongation and yield point), hardness, toughness, and high and low temperature properties of the user are specified according to different requirements. The yielding phenomenon of the metal material, the force of the sample does not increase during the stretching process (constant) can still continue to extend the stress yield point, said. In the case of force, it should be distinguished by a lower yield point. The yield point is N / mm square unit (MPa).
The ability of a metal material to resist the surface of a hard object is called hardness. According to different test methods and application range, it can be divided into Brinell hardness, Vickers hardness, Rockwell hardness, hardness, microhardness and hardness. Commonly used pipes are Brinell hardness, Rockwell, and Vickers III. As the steel ball or carbide ball has a certain diameter, the test force (F) specifies the pressure surface to the style, the test force is removed after the hold time, and the diameter of the sample surface is measured (L).
We provide organic and inorganic pigments to our customers in Middle East, South East Asia etc,you also can find barium sulphate, carboxyl methyl cellulose , melamine and other relative producets here.
Iron oxide red is widely used as inexpensive, durable pigments in paints, coatings and colored concretes.
1. barium sulphate, it is super-fine powder made from high quality barite which is after thoroughly grinding process. The end products have good dispersibility, high whiteness, nice covering power, stable chemical properties.
Application : used in pharmaceutical industry, leather industry, printing and dyeing industry
2. Melamine:
Main Application, Storage and Transportation:
1). Food grade melamine raw material can be used to produce melamine table ware.
2). Also used as industrial grade additive, widely used in plastics, paint textile, paper.
3). Used as the material to produce melamine formaldehyde (MF) colophony.
4). Owning the abilities of fire-resistant, water-resistant, hot-resistant, age-preventing, electric arc resistant, bearing chemical corruption, perfect insulation capability, gloss grade, and machinery intention, and good thermal-setting capacity, it is widely used in wood, plastic, dope, paper-making, textile industry, leather, electric, and medicine, etc.
5) The product is a kind of weak alkaline and nontoxic material. It should be kept in a clean and dry place. Moisture and rain proof with careful handle during storage and transportation.
White Powder Pigment,Waterproof Coating,Pigment Ink,Iron Oxide Pigments
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