Astm 4118, Din 18CrMo4 and JIS SCM420 are all types of alloy steels widely used in manufacturing.
Supply Range For SCM420 Steel Bar
SCM420 Steel Round Bar: diameter 8mm – 1000mm
SCM420 Steel Plate: thickness 10mm – 1500mm x width 200mm – 3000mm
SCM420 Steel Grade Square: 20mm – 500mm
Surface Finish: Black, Rough Machined, Turned or as per given requirements.
Criterion For Heat Treating Conditions Revise:
Ac: 770~835℃
Ar: 770~700℃
Ms: 410℃
Mechanical Properties Of AISI Alloy SCM420
| Properties | Metric |
| Tensile strength | 517 MPa |
| Yield strength | 365 MPa |
| Bulk modulus (typical for steel) | 140 GPa |
| Shear modulus (typical for steel) | 80.0 GPa |
| Elastic modulus | 190-210 GPa |
| Poisson's ratio | 0.27-0.30 |
| Elongation at break (in 50 mm) | 33.00% |
| Reduction of area | 63.70% |
| Hardness, Brinell | 137 |
| Hardness, Knoop (converted from Brinell hardness) | 156 |
| Hardness, Rockwell B (converted from Brinell hardness) | 75 |
| Hardness, Vickers (converted from Brinell hardness) | 143 |
| Machinability (hot rolled and cold drawn, based on 100 machinability for AISI 1212 steel) |
ASTM 4118 Application:
Auto parts raw materials:
Due to their high strength and wear resistance, Astm 4118 alloys help improve the overall performance and durability of vehicles and are widely used in the production of engine components such as gears, shafts and bearings.
Aerospace production raw materials:
Astm 4118, Din 18CrMo4 and JIS SCM420 alloy steels with excellent fatigue resistance are used in the manufacture of critical aerospace components such as landing gear, turbine blades and jet engine components.
Mechanical industry raw materials:
Astm 4118 alloys with high strength and wear resistance can be used in various machinery and equipment.
Main products
We're the supplier of a wide range of stainless steel products ( ss plate/sheet, ss coil, ss tube/pipe, ss bar/rod of all shapes, channel steel, angel steel and etc), and other nonferrous metal products.
Various Standard and non-standard specifications are both available as customers request. All products we provided are strictly in line with the international standards.
Products of common specification or grades are adequate in stock, please feel free to contact us if you want a quote or more details about the specific products.
Hot Tags: astm 4118 din 18crmo4 jis scm420 alloy steel, China, manufacturers, suppliers, factory, Titanium Pipe, Bearing Steel, EN36 material, 1 2714 steel data sheet, 321 stainless steel tubing, plastic mould steel grades