China has again dominated global crude steel production in the year to September 2010, the World Steel Association reports. The WSA, which includes 66 member countries, reported 112m metric tons of crude steel was produced in the year from September 2009. While China’s production figure of 47.9m mt represented a fall of 5.9% on the [...]
The world’s largest scrap metal recycling company reported a swing back into profit yesterday. Full-year net profit after tax rose to $126.7 million, after a $150.3m loss the previous year. The result beat market expectations of net profit after tax of about $117m and was driven largely by strong margins at its non-ferrous metals business [...]
An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away. While finishing a material often means polishing it to gain a smooth, reflective surface it can also involve roughening as in satin, matte or beaded finishes. [...]
Forge welding is said to be the oldest welding technique ever used by early blacksmiths, dating back to the Iron Age when ancient Egyptians and people from Eastern Mediterranean began to refine the craft of welding iron metals together. Also known as “fire welding,” this method attempts to fasten together two or more metal components [...]
When you buy sheetmetal from the steel supply shop, it comes coated with a rust inhibitor so that the product doesn’t rust before it gets sold. But if you try to weld to that surface, you’re going to get poor results, so you have to remove it first. Fortunately, it’s not very difficult to do. [...]
Increasing Productivity with a FCAW Wire Optimized for Your Application Ken Lee, Application Engineer, The Lincoln Electric Company If welding with a solid wire is satisfactory, why use a higher priced flux-cored wire? A flux-cored wire is optimized to obtain performance not possible with a solid wire. For many welding applications like vertical-up welding, flat [...]
Common Problems and Remedies for GMAW Reprinted with permission from the September/October, 1997 issue of Practical Welding Today magazine, copyright 1997 by The Croydon Group, Ltd., Rockford, IL In much the same way that the automatic transmission has simplified the process of driving, Gas Metal Arc Welding (GMAW) has simplified the process of welding. Of [...]
Sheet metal mark out or layout is the practice of putting dimensions on a piece of metal to show locations of cuts and bends that will be used to fabricate the final work piece. Sheet metal layout tools are needed to measure, mark dimensions, draw straight lines, find non-standard points and calculate round dimensions. Measuring [...]
We thought this article may be of interest to our readers. It talks about some interesting techniques and tricks needed in the workshop: Stainless steel products are used in all parts of our daily life. Certain surface finish expectations must be met, and one of the major challenges in stainless steel treatment is meeting these [...]
