Steel Rolling
Rolling is an indirect compression process. The only force or stress applied is the radial pressure from the rolls. So deforms the metal and pulls it through the roll gap. It can be compared to compression or forging but it’s different in two respects first compression takes place between a pair of platens at various […]
Steel Recycling Rates-II
More than aluminum, paper, glass, and plastic joined, still more steel is recycled the number 1# recycling material in North America. Steelmaking furnaces have been designed to devour steel scrap. Because of it is economically beneficially to recycle old steel into new steel, making the steel industry’s single largest source of raw material. The steel […]
Steel Recycling Rates-I
Steel is North America’s Number #1 Recycled Material. Each year, more steel is recycled than aluminum, paper, glass and plastic combined! Scrap has become the steel industry’s single largest source of raw material because it is economically advantageous to recycle old steel into new steel. In light of this, steelmaking furnaces have been designed to […]
What’s the melting point of steel?
That depends on the alloy of steel you are talking about. The term alloy is almost always used incorrectly these days, especially amongst bicyclists. They use the term to mean aluminum . What the term alloy really means is a mixture of metals, any kind of metals. Almost all metal used today is a mixture […]
Molten Light Metal Processing-II
Fluxing of Copper Alloys Fluxing practice in copper alloy melting and casting encompasses a variety of different fluxing materials and functions. Fluxes are specifically used to remove gas or prevent its absorption into the melt, reduce metal loss, remove specific impurities and nonmetallic inclusions, refine metallic constituents, lubricate and control surface structure in the semi […]
Shipper’s Export Declaration (SED)
The Shipper’s Export Declaration is the most common document used by exporters. It is required for mail shipments valued over US$500 and other shipments valued at more than US$2500. Shipments that use an Individual Validated License (IVL) must have a SED. The SED is the only export document that is filed by an U.S. governmental […]
Zinc and Zinc Alloys
Alloys covered by B86 are hypo-eutectic with a composition close to 4% Al. Alloys included in B791 are hypereutectic with an aluminum content greater than the eutectic chemistry. All of the zinc casting alloys has eutectic microstructures; the hypoeutectic alloys solidify with zinc-rich dendrites, hypereutectic alloys solidify with aluminum-rich dendrites. The mechanical, physical properties of […]
