Steel alloy, article of manufacture and method

17:

• The steel alloy as recited in claim 16 wherein the amount of silicon and the amount of titanium add to at least 0.5%.

18:

• The steel alloy as recited in claim 17 wherein the amount of silicon and the amount of titanium add to at least 0.5% more than the amount of carbon.

19:

• The steel alloy as recited in claim 16 wherein the steel alloy contains 0-0.03% carbon.

20:

• The steel alloy as recited in claim 16 wherein the steel alloy contains 0.5-0.75% silicon.

21:

• The steel alloy as recited in claim 16 wherein the steel alloy contains 0-0.012% sulfur.

22:

• The steel alloy as recited in claim 16 wherein the steel alloy contains 16-18% chromium.

23:

• The steel alloy according to any of the preceding claims, containing 2.0-2.5% molybdenum.

24:

• The steel alloy as recited in claim 16 wherein the steel alloy contains 10-14% nickel.

25:

• The steel alloy as recited in claim 16 wherein the steel alloy contains 0.2-0.7% titanium.

26:

• An article of manufacture made from the steel alloy as recited in claim 16.

27:

• The article of manufacture as recited in claim 26 wherein a bulk material of the article consists of the steel alloy.

28:

• The article of manufacture as recited in claim 26 wherein a surface layer, or coating of the article consists of the steel alloy.

29:

• The article of manufacture as recited in claim 26 wherein the article is a fastening element, or a welding stud.