Questions & Answers
Bimetallic strips are made of: 44NKhTYu, 29NK, 24NK, 75GND, 42N, 36N, Kh15N60, Kh20N80.
Bimetallic washers are made of: L63 + Invar 36, St3 + AD1, St20 + L63, St3 + M1, 08Kh18N10 + AD1, M1 + AD1, St20 + M1.
Bimetallic thermal plates are made of: L63 + 36N, N70MF + 36NKh, BrOF6.5-0.15 + 36N, L68 + 36N, L63 + 36N.
The main GOST standard for bimetallic strips, disks, and bands:
GOST 10885-85 is a standard establishing technical requirements for bimetallic strips. The document defines acceptance rules, parameters, chemical composition, testing methods, quality control, design, mechanical properties, tape purpose, marking, supply, dimensions, and tape manufacturing methods and materials.
The main GOST standard for bimetallic washers:
GOST 11371-78 is a standard for normal-grade flat washers used with bolts, nuts, studs, and screws. The standard establishes weight, acceptance rules, quality control, coating types, surface requirements, hardness and thickness of washers, materials of manufacture, marking, main dimensions, accuracy classes, and areas of use of washers.
The main GOST standard for bimetallic thermoplates:
GOST 10533-86 is a standard for thermoplastic bimetals and bimetals. The document regulates: testing methods, technical characteristics, acceptance rules, quality control, classification, areas of application, requirements for the connection of layers and surfaces, marking, dimensions, mechanical properties and design of thermoplates.
Bimetallic strip weight table
| Thickness, mm | Width 10 mm | Width 20 mm | Width 50 mm | Width 100 mm |
| 0,1 | 0,008 kg | 0,016 kg | 0,040 kg | 0,079 kg |
| 0,2 | 0,016 kg | 0,032 kg | 0,079 kg | 0,158 kg |
| 0,3 | 0,024 kg | 0,047 kg | 0,119 kg | 0,237 kg |
| 0,5 | 0,040 kg | 0,079 kg | 0,198 kg | 0,395 kg |
| 0,8 | 0,063 kg | 0,126 kg | 0,316 kg | 0,632 kg |
| 1,0 | 0,079 kg | 0,158 kg | 0,395 kg | 0,79 kg |
| 1,5 | 0,119 kg | 0,237 kg | 0,593 kg | 1,185 kg |
| 2,0 | 0,158 kg | 0,316 kg | 0,79 kg | 1,58 kg |
Bimetallic strip weight table
| Strip size, mm | Weight of 1 m, kg |
| 1×20 | 0,162 |
| 1×30 | 0,243 |
| 1×50 | 0,405 |
| 2×20 | 0,324 |
| 2×30 | 0,486 |
| 2×50 | 0,81 |
| 3×30 | 0,729 |
| 3×50 | 1,215 |
Table of weights of bimetallic disks
| Diameter, mm | Weight of 1 piece, g |
| 20 | 2,5 |
| 30 | 5,7 |
| 40 | 10,2 |
| 50 | 15,9 |
| 60 | 22,9 |
| 80 | 40,7 |
| 100 | 63,6 |
Table of weights of bimetallic washers
| Size | Weight of 1000 pieces, kg | Weight of 1 piece, g |
| М6 | 0,35 | 0,35 |
| М8 | 0,72 | 0,72 |
| М10 | 1,3 | 1,3 |
| М12 | 2,1 | 2,1 |
| М16 | 4,4 | 4,4 |
| М20 | 8,5 | 8,5 |
| М24 | 14,2 | 14,2 |
Table of weights of bimetallic thermoplates
| Size, mm | Thickness, mm | Weight of 1 piece, g |
| 20×5 | 0,3 | 0,24 |
| 30×5 | 0,3 | 0,36 |
| 50×10 | 0,5 | 2,03 |
| 100×10 | 0,5 | 4,05 |
| 100×20 | 1,0 | 16,2 |
| 150×30 | 1,0 | 36,5 |