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Hi New Metal Working World!

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Hi Latest Introduced Industry Standard 2014 Today!

Hi Latest Introduced Industry Standard 2014 Today! 

ASTM A568/A568M:

This specification covers the general requirements for steel sheet in coils and cut lengths. 

It applies to the existing specifications that describe carbon steel, structural steel, and high-strength, low-alloy steel (HSLA) furnished as hot-rolled sheet and cold-rolled sheet.

Description / Abstract:

This specification covers the general requirements for steel sheet in coils and cut lengths. It applies to the following specifications that describe carbon steel, structural steel, and high-strength, low-alloy steel (HSLA) furnished as hot-rolled sheet and cold-rolled sheet: Specifications A414/A414M, A424, A606, A659/A659M, A794, A1008/A1008M, A1011/ A1011M, and A1039/A1039M.  This specification is not applicable to hot-rolled heavy-thickness carbon sheet coils (Specification A635/A635M).  In case of any conflict in requirements, the requirements of the individual material specification shall prevail over those of this general specification.  For the purposes of determining conformance with this and the appropriate product specification referenced in 1.1, values shall be rounded to the nearest unit in the right hand place of figures used in expressing the limiting values in accordance with the rounding method of Practice E29.  Annex A1 lists permissible variations in dimensions and mass (see Note 1) in SI [metric] units. The values listed are not exact conversions of the values listed in the inch-pound tables, but instead are rounded or rationalized values. Conformance to Annex A1 is mandatory when the "M" specification is used.  NOTE 1—The term weight is used when inch-pound units are the standard. However, under SI the preferred term is mass.  The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  This specification and the applicable material specifications are expressed in both inch-pound units and SI units. However, unless the order specifies the applicable "M" specification designation (SI units), the material shall be furnished to inch-pound units.

(Hi) - High Efficiency Motors!

(Hi) - High Efficiency Motors!

To understand the concept of high efficiency motors, you must first know how to calculate efficiency and the losses associated with the motor components themselves. 
This article reviews the basic concept for explaining motor efficiency and what makes certain motors different.

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Hi Considerations for Choosing an Industrial Ventilation System!.

Hi Your Choices for Consideration of an industrial ventilation system!!!

Industrial Ventilation Fan Systems can be a necessary component to any commercial or industrial operating company.  These ventilation systems benefit not only the productivity of your employees and machines, but can affect your company’s bottom line as well.  When considering ventilation systems for your building, there are five key factors to consider:

1.  Objectives of the Ventilation Fan System;

These are generally multi-faceted, from personnel comfort and employee health to increased production efficiency and more.  For example, are you looking to provide general ventilation for fume or odor removal, or are you looking for personnel cooling because of heat stress on employees? Ensure your objectives are overcoming the biggest problems and accomplishing the most important benefits.

2.  Budget;

Availability of money to finance the system is a key factor that must be considered early in the planning stage. The funds available will affect the objectives you set and influence the system of ventilation selected. Expenses include equipment, as well as mechanical and electrical installation costs.  In some cases you may set out a ventilation plan that takes two or more years to complete due to limited funding. 

3.  Practical Limitations within the Building;

There are certain limitations in any production environment. The location of heat-generating equipment, partitions such as pallet racks or machinery within the building, or large cross-sectional areas are a few. Other circumstances may be air circulation obstructions such as machinery, raw materials, or finished goods.  We see a lot of what we call “short circuits,” where ventilation fans are placed next to wall openings or loading dock doors.  Thus, air is brought in thru the openings and then discharged by the fan before it's had a chance to provide cooling within the structure.

4.  Common Sense Factors;

In planning a ventilation system, taking advantage of the location of exhaust fans and prevailing wind direction will aid the system’s efficiency.  Economy of “long dimension” is helpful in reducing the cross-sectional area of a building, thus minimizing needed air velocity. Significance of noise production of a ventilation system must be taken into account. Additionally, you will always want to use the cleanest, coolest air source to circulate through the building. Other considerations include other production equipment that depends on airflow to perform its intended purpose such as paint booths, dust and fume extraction systems, make-up air systems, etc.  

5.  Benefits of a Ventilation Fan System;

All companies want to realize economies from good planning.  The greatest benefit that can come from a well-designed ventilation system is that it achieves its basic purpose and design.  A system where all components work together is essential. Replacement of exhaust air with “make-up air” fans may be necessary. Good planning will also recognize the necessity for proper air distribution and circulation through an occupied building, not just exhausting bad air.

These five considerations, when accounted and planned for properly, will ensure a unified industrial ventilation system that accomplishes tangible benefits for a company’s productivity and profitability. There are many industrial ventilation fan system design manufacturers including Hammam Industries & Co. in Egypt who supply, install, maintain & service the fan system design equipment. Visit the web site click link here. Hammam Industries & Co. also specialize in providing all needs for air pollution & climate control projects & solutions.

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