1.7228 Alloy Machine Construction Steel

Everything You Need to Know About 50CrMo4, 708A47, 4150, 50Ch, 1.7228 Alloy Steel EN 1003-3 2006

1.7228 Alloy Steel Description

1.7228 alloy steel is one of the last grades that is classified as structural steel. The 50CrMo4 steel is similar to 42CrMo4 and 34CrMo4 steel due to their low carbon content. They also have the same concentration of Molybdenum and Chromium. The 1.7728 steel has a higher yield point when compared to other HM steels.

1.7228 Alloy Steel Applications

The 1.7228 alloy steel has a good set of properties that makes it a suitable material to create various products and parts. It can be used in various applications. This includes:

  1. Thrust rollers
  2. Heavy-duty screws
  3. Gears
  4. Cogwheels
  5. Guides
  6. Valves
  7. Crankshafts
  8. Bushes
  9. Bolts
  10. Thrust rings

1.7228 Alloy Steel Chemical Composition

The chemical composition of 1.7228 alloy steel is:

1.7228 steel chemical element % present
Carbon (C) [Max] 0.46 to 0.54%
Manganese (Mn) 0.50 to 0.80%
Silicon (Si) [Max] 0.40%
Chromium (Cr) 0.90 1.20%
Phosphorus (P) [Max] 0.025%
Sulphur (S) [Max] 0.035%
Molybdenum (Mo) 0.15 to 0.30%

1.7228 Alloy Steel Heat Treatment

1.7228 steel hot work and heat treatment temperature
Hot Forming °C Tempering °C Normalising °C Soft Annealing °C Quenching °C
1100 to 850 540 to 680 860 720 860
Air Air Air Oil or polymer

1.7228 Alloy Steel Properties

Here are the properties of 1.7228 alloy steel:

  1. High yield point
  2. Good spring properties

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