The 2xxx, 6xxx, and 7xxx series wrought aluminum alloys are heat treatable and the 4xxx series consist of both heat treatable and non-heat treatable alloys. The 2xx.x, 3xx.x, 4xx.x and 7xx.x series cast alloys are heat treatable. Strain hardening is not generally applied to castings.
  Answer   In football games, 11 players start the game for each team. The number of substitutes varies depending on the competition. For example, in the English football leagues-Premier League, Championship etc - 5 substitutes are allowed.ow many substitutes does the average football team have? the adverage team has 15 players that can take part in the game. 11 of those players start the game, during the game the manager can make 4 subs however they cannot sub if a p â¦ layer has been sent off with a red card.
Altogether how many players and officials are on the field on NFl football game? Both teams have 11 players (22 total) on the field for one play and there are seven officials. That would make 29 people altogether on the field for a play in NFL football. if you're talking about football (not American football) then there are 2 teams 11 players each |+ 3 or 5 referees. 11 players from each team, and seven officials. (The number of officials will vary in high school or junior college.) Of the seven officials, some might be just off the field â¦ of play, such as the Head Linesman and the Line Judge during a snap, or the two officials posted on the think white line under the goalposts during a try.