What is 8620 alloy steel?
AISI 8620 alloy steel is a common, carburizing alloy steel. This alloy steel is flexible during hardening treatments, thus enabling improvement of case/core properties.
How does C-276 compare with other stainless steels?
compared with those of two popular, austenitic stainless steels (316L and 254SMO), and a lower-molybdenum nickel alloy (625), in hydrochloric and sulfuric acids. At hydrochloric acid concentrations above about 5%, C-276 alloy provides a quantum improvement over
Can C-276 alloy be hot forged?
HASTELLOY® C-276 alloy can be hot forged, hot rolled, hot upset, hot extruded, and hot formed. However, it is more sensitive to strain and strain rates than the austenitic stainless steels, and the hot working temperature range is quite narrow. For example, the
Is C-276 alloy resistant to acid corrosion?
acid concentrations above about 5%, C-276 alloy provides a quantum improvement over the stainless steels, and offers much greater resistance to higher concentrations of both acids than alloy 625. The concentration limit of 20% hydrochloric acid is the azeotrope, beyond which high temperature corrosion tests are less reliable.
Alloy 8620 steel is a low-carbon carburizing/case-hardening steel that contains nickel, chromium, and molybdenum as alloying elements. The nickel content provides 8620 with good ductility and toughness while the chromium and molybdenum in its composition increase its hardness penetration and wear.
Is 8620 a low alloy steel?
A medium-strength, low-carbon alloy steel, 8620 contains good toughness and strength properties, along with good core strength.
What is the hardness of 8620 steel?
8620 Steel Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Izod Impact | 115 J | 84.8 ft.lb |
| Hardness, Brinell | 149 | 149 |
| Hardness, Knoop (converted from Brinell hardness) | 169 | 169 |
| Hardness, Rockwell B (converted from Brinell hardness) | 80 | 80 |
How do you anneal 8620 alloy steel?
Annealing. AISI 8620 may be given a full anneal at 1550 F and slow cooling at not more than 50 F per hour down to 850 F. From there it may be air cooled.
Is 8620 a good knife steel?
8620 steels are great choices for many applications including building knives with excellent toughness and wear resistance while remaining easy to machine when needed.
What is the difference between 8620 and 8620H?
They provided good carburizing, hardenability, mechanical properties and machining properties appropriate for the annealed condition. The 8620 steel material could be case hardened, so the hardness could be different after hardening. So the AISI 8620H is the “H” condition of 8620 steel with required hardenability.
Can you weld case hardened steel?
By using suitablepost-welding heat ways and picking weld joints that equitably circulate weight on the metal, one can effectively weld hardened steel. One can preheat it or use a low hydrogen bar whenwelding. However, you have to preheat it and, at that pointre-temper in the wake of welding, If it’s devicesteel.
Can you weld carburized steel?
On the other hand, the weldability of carburized steel having high carbon content is relatively low [4,5]. Furthermore, the characteristic of weld area is also affected by several driving forces generated from heat input and welding current in arc welding, as revealed by several studies [6-9].
What does 8620 steel mean?
Hot rolled 8620 steel is a low carbon, low alloy grade that contains nickel, chromium, and molybdenum. It has good carburizing properties and formability. The alloy content supports carburizing, improving surface hardness and wear. Eaton Steel Bar Company stocks various diameters of 8620 hot rolled steel to meet the market demands.
What is the tensile strength of 8620 steel?
Steel GradesAISI 8620 Chemical information,Mechanical properties AISI 8620 Physical Properties Tensile strength 115-234 σb/MPa Yield Strength 23 σ 0.2 ≥/MPa
What is 8620 material?
Alloy 8620 is a low carbon case hardening alloy that features a hard case with a tough ductile core which experiences minimal distortion during heat treatment, this alloy steel provides a combination of toughness, hardness, strength and impact performance not found in lower grade carbon steels.
What is material 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. This alloy may be used in the production of medium-strength parts such as forged camshafts, fasteners and gears.