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| After-sales Service: | Communicate with Us |
| Warranty: | Communicate with Us |
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Lork Group specializes in the supply of AMS 5749 raw materials and processing, alloys, stainless steel, metal quality development, welcome your inquiries.
BG42 is a double vacuum melted martensitic stainless high speed steel designed for critical aerospace structural components and high performance bearings. The steel is vacuum induction melted (VIM) and vacuum arc remelted (VAR) to provide the extremely high cleanliness level required for these fatigue-critical applications.
BG42 has proven to be an excellent knife steel when produced in sheet form. It offers excellent wear and corrosion resistance. The molybdenum enhances the corrosion resistance provided by the high chromium content. In addition, the chromium, molybdenum, and vanadium contents provide approximately 19% carbide volume in the steel.
This high carbide volume and the presence of very hard vanadium carbides enhance the wear resistance and edge retention of knife blades.
| Chemlcal Element | % Present |
| Mn | 0.50 |
| Si | 0.30 |
| Mo | 4.00 |
| V | 1.20 |
| C | 1.15 |
| Cr | 14.50 |
| Fe | Bal |
| Yield strength | min. 1413 MPa |
| Tensile strength | min. 1517 MPa |
| Elongation | min. 10 % |
| H1000 | |
| Yield strength | min. 1310 MPa |
| Tensile strength | min. 1413 MPa |
| Elongation | min. 10 % |
| H1050 | |
| Yield strength | min. 1138 MPa |
| Tensile strength | min. 1207 MPa |
| Elongation | min. 12 % |
| BG-42 stainless steel plate sizes and specifications | |
| Grade | BG-42 |
| Cold rolled stainless steel coil | Thickness: 0.3mm- 3.0mm, Width: 1000mm - 2000mm, Surface: 2B/BA/SB/8K/HL/1D/2D etc |
| Hot rolled stainless steel coil | Thickness: 3.0mm - 16mm, Width: 1000mm - 2000mm Surface: No.1/pickling |
| Standard | ASTM A240/A480, ASTM B688, ASTM B463/SB463, ASTM B168/SB168, ASTM B443/SB443/B424/SB424B625/SB625 B575/SB575, JIS G4303, BS 1449, DN17441, G4305 |
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