CAN 8620 steel be welded?
Emma Newman
Updated on February 17, 2026
Similarly, it is asked, what is the hardness of 8620 steel?
AISI 8620 Steel, single quenched and tempered (230°C (450°F)), carburized
| Physical Properties | Metric | English |
|---|---|---|
| Hardness, Vickers | 361 | 361 |
| Tensile Strength, Ultimate | 1157 MPa | 168000 psi |
| Tensile Strength, Yield | 833 MPa | 121000 psi |
| Elongation at Break | 14.3 % | 14.3 % |
Similarly, what is 8620 steel used for? AISI 8620 is a hardenable chromium, molybdenum, nickel low alloy steel often used for carburizing to develop a case-hardened part. This case-hardening will result in good wear characteristics. In the carburized condition this alloy is used for gears, ring gears, shafts and crankshafts.
Thereof, can you weld tool steel?
Common welding processes acceptable on tool steels include shielded metal-arc, gas tungsten-arc, oxy-acetylene and atomic hydrogen. Reputable steel supply houses can recommend specific electrodes of welding wire for each tool steel. Austenitic welding electrodes are frequently used on large repairs as an underlay.
Is 8620 steel heat treatable?
HEAT TREATING 8620 can be hardened to 1500° F followed by water quench. Carburize at 1650° - 1700° F in an appropriate carburizing medium and oil quench to harden. Tempering of carburized parts is done at 250° - 300° F and will result in the alloy having a core strength of approximately 135,000 psi minimum.
Related Question Answers
What kind of steel is 8620?
AISI 8620 Steel is a low alloy nickel, chromium, molybdenum case hardening steel, generally supplied in the as rolled condition with a maximum hardness HB 255max. SAE steel 8620 offers high external strength and good internal strength, making it highly wear resistant.How do you heat treat w1 tool steel?
Heat Treatment W1 steels with large sections or intricate shapes have to be slowly preheated to 593°C (1100°F) and then the temperature should be slowly increased to 816°C (1500°F). The steels should be maintained at the same temperature for 10 to 30 minutes and finally water or brine quenched.What is ASTM a29?
ASTM A29 specification is standard specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements. Carbon steel bar steel grades like 1020, 1045, 1050 etc. And alloy steel bar common steel grades like 4140, 4340, 5140 etc.Is 8620 a chemical composition?
General characteristics of Alloy Steel 8620 Alloy steel 8620 is a case-hardening steel containing nickel, chromium and molybdenum as alloying elements. The alloy shows good strength and toughness properties, and has a higher core strength than grades 8615 and 8617.Can high speed steel be welded?
Braze it with your choice of brazing rod or even silver solder. HSS does not weld very wellyou can sort of stick it together but it's not easy to make a reliable weld. BTW: 1045 is not mild steelit's got enough carbon in it to qualify as a medium carbon steel and needs preheat to be successfully welded.How do you weld hardened steel shafts?
- Clamp the pieces of hardened steel together so they do not shift during the welding process.
- Mark both sides of the welding area with welding temperature crayons.
- Preheat the area that you will be welding with a propane blow torch for three to five minutes.
Can high carbon steel be welded?
Low carbon steel is typically the most readily welded steel in a room temperature environment. High carbon steel is even more prone to weld cracking than the other two groups of carbon steel. Welding high carbon steel will most likely require very thorough preheating and post-heating processes to avoid this.How do you weld high strength steel?
Here are a few tips:- Obtain the proper weld procedure from the manufacturer or from an engineer competent in welded repair of high strength steel.
- Employ a welder that is certified for the welding process and filler metal type in the required position.
- Ensure that the electrodes are clean, and in good condition.