ASTM A485-17(2022)

Podrobné informace

Označení: ASTM A485-17(2022)

Datum vydání: 01.03.2022

Stran: 4

Země: Americká technická norma

Kde koupit?

Můžete zakoupit na eshop.normservis.cz

Anotace

This specification covers high hardenability modifications of high-carbon bearing quality steel to be used in the manufacture of antifriction bearings. The grades of steels covered here are: Grade 1, Grade 2, Grade 3, Grade 4, Grade B2, Grade B3, Grade B4, Grade B5, Grade B6, Grade B7, and Grade B8. Heat and product analyses shall be performed wherein specimens shall conform to required chemical composition of carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, titanium, copper, molybdenum, oxygen, and aluminum. The steels shall undergo normalizing followed by spheroidize annealing before heating for end quenching. Test for hardenability shall be performed wherein specimens shall conform to required Brinell and Rockwell hardness.


Keywords:
ICS Number Code 77.140.20 (Steels of high quality)