45 # seamless steel pipe

45 # seamless steel pipe
45 # seamless steel pipe is one of the steel materials. A high-quality carbon structural steel.
A lot of mold production company will use it as the mold steel.
45 # seamless steel pipe refers to the carbon content of such material, probably about 450. Such material, compared to the other high quality carbon steel, are more common.
45 Steel: the average carbon content of 0.42-0.50%, the average silicon content of 0.17-0.37%, the average manganese content of 0.50-0.80%, the average sulfur content of <= 0.035%, the average phosphorus content <= 0.035% , the average chromium content <= 0.25%, with an average nickel content of <= 0.2545 steel. About 0.45% carbon content.
Recommended heat treatment temperature
45 # seamless steel normalizing: 850
45 # seamless steel pipe quenching: 840
45 # seamless steel tempering: 600
45 # seamless steel tensile strength: not less than 600Mpa
45 # seamless steel pipe yield strength: not less than 355Mpa
45 # seamless steel pipe elongation: 10%
45 # seamless steel pipe shrinkage: 40%
45 # seamless steel pipe Impact Energy: 39J
45 # seamless steel pipe steel delivery status hardness: no more than
45 # seamless steel pipe is not heat-treated: 229HBS
45 # seamless steel annealed steel: 197HBS
45 # seamless steel pipe Application examples:
For parts of the impeller pump compresso,r manufacturing gears, rack, sprockets, shaft, keys, pins, steam turbine.
Model 45 #
45 # seamless steel pipe products specifications φ: 756MM; wall thickness: below 100MM.