Bulgarian (BDS) Standards for Steel Materials
Abstract
This group of Bulgarian (BDS) standards covers carbon, alloy and structural steels, free-cutting steels, plates for pressure vessels, hot-rolled plates, sheets and strips, high-temperature steel castings, welding filler rods, tool steels and electrical quality steels.
Review of BDS Standards for steel consists of 4 volumes. It contains formally approved BDS standard classifications, guides, practices, specifications, test methods, terminology and related material such as proposals.
Covers:
- Group of standards for structural and constructional steels
- Group of standards for tool steels
- Group of standards for steels with special physical properties
- Group of standards for stainless and heat resisting steels
The following data is given for each standard: standard number and year, grade, chemical composition and mechanical properties (yield point, tensile strength, notch toughness). When deemed useful, steel type, manufacturing method, thickness of plate, heat treatment and other data are described.
Group of standards for structural and constructional steels
| BDS 2592 | Structural steels |
| BDS 3492 | Unalloyed steel castings |
| BDS 4758 | Concrete steel |
| BDS 4880 | Low alloy steels |
| BDS 5785 | Unalloyed high-grade steels |
| BDS 5930 | Unalloyed boiler steels |
| BDS 6354 | Alloyed constructional steels |
| BDS 6550 | Alloyed steel castings |
| BDS 6609 | High-temperature steels for boiler tubes |
| BDS 6742 | Spring steels |
| BDS 6886 | Free-cutting steels |
| BDS 7478 | High-temperature steel castings |
| BDS 7933 | Narrow gauge rails |
| BDS 9609 | Cold rolled strip |
| BDS 9793 | Rails |
| BDS 9801 | Weldable steels for shipbuilding |
| BDS 10786 | Rails of vacuum-treated steels |
| BDS 10787 | Heat-treated rails |
| BDS 11488 | Cold-rolled sheet for cold-drawing |
| BDS 12731 | Seamless tubes for ball and roller bearings |
| BDS 14351 | Hot rolled sheet for cold-drawing |
| BDS 15888 | Structural steels resistant to weathering |
| BDS 5084 | Welding filler rod |
| BDS 14679 | Wire for built-up welding |
Group of standards for tool steels
| BDS 6751 | Carbon tool steels |
| BDS 7008 | High-speed steels |
| BDS 7938 | Alloyed tool steels |
Group of standards for steels with special physical properties
| BDS 10112 | Electrical quality steel |
Group of standards for stainless and heat resisting steels
| BDS 6738 | Stainless steels |
| BDS 9631 | Stainless steel castings |
| BDS 9634 | Valve steels |
| BDS 5084 | Filler rod |
| BDS 14679 | Rod for built-up welding |
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