Compacted graphite iron (CGI), also known as vermicular graphite iron (GJV, VG, [1] JV [2] or GGV from the German: "Gusseisen mit Vermiculargraphit" [3]) especially in non-English speaking countries, [4] is a metal which is gaining popularity in applications that require either greater strength, or lower weight than cast iron.

Compacted graphite iron is an emerging cylinder block material having a higher specific strength than conventional gray iron, and with improved fatigue strength and acoustic properties relative to aluminum, thereby allowing cast iron blocks of reduced thickness and …

Compacted graphite iron (CGI) along with lamellar graphite iron and spheroidal graphite iron define the three main classes of cast iron according to morphology. CGI displays very useful properties for a range of engineering applications with the tensile strength and elastic modulus being considerably higher than grey cast irons (75% and 35% ...

2008年2月5日 · We've had a few people asking for the specs of the new Cleveland CG Tour irons so I thought we'd post them tonight... The CG Tour will come stock with Dynamic Gold shafts and will feature a D2 swingweight. That's all for tonight... thanks for all of the email and comments. We'll talk to you tomorrow. 6 years later... Just picked up a set used...

Explore the properties and uses of different types of cast irons, including gray cast iron, spheroidal graphite cast iron (SG iron), and vermicular graphite cast irons (VG irons). Discover the unique microstructure and mechanical advantages of VG irons in various applications.

2023年8月7日 · Vertical CG is the single most important design feature of an iron's playability. Your AOA can accommodate higher CGs, but the turf you commonly play can be a factor as well. Firm turf makes that steep swing hard to execute repeatedly and hard to penetrate the ground enough to get the club AVCoG below the ball CG.

2007年10月26日 · The CG Red “Tour Spec” iron is the preferred iron for the better golfer (as well as Cleveland’s Tour staff). It features a classic player’s profile with a thinner topline, reduced offset, and a medium heel-toe width.

2015年2月5日 · The CG Black irons are game-improvement irons aimed at golfers who swing less than 90 mph with the driver and are looking for higher launch and more carry. They’re designed with lower, more rearward CG (center of gravity) for …

2008年6月19日 · The new CG iron family is designed to cater for players of all abilities. The CG Gold is a large cavity back that's geared up for forgiveness, while still promising a soft feel off the clubface. Gold Gelback insert is 10% softer than CG Red's for better vibration dampening and forgiveness on mis-hits.

2007年10月4日 · The Cleveland CG Gold irons are the game improvement cousin to the CG Red. Not as bulky as some of the other game improvement irons on the market, the CG Gold’s are designed for the golfer looking for some forgiveness, a decent feel and a traditional look.