Standardization
Subscribe to the BIS electronic newsletter Subscription
Wherever you look you can find a standard!
Seeing better. This depends not only on the glasses used, but also on the spectacle frames. Today, the respective requirements, test methods, design and concepts are s...



TC-20 Heavy non-ferrous metals and their alloys

Status: Active
Chairman: Pencho Lesidrenski
Secretary: Elena Georgieva
Phone: 02/81 74 594
E-mail: Elena.Georgieva@bds-bg.org

Bulgarian title

Тежки цветни метали и сплави

English title

Heavy non-ferrous metals and their alloys

Scope in Bulgarian

Стандартизация в областта на тежки цветни метали и сплави, благородни и съпътстващи металии, с изключение на леките метали (алуминий, титан и магнезий), включваща изисквания към недеформирани, деформирани и лети продукти - материали, означения, терминология, условия на доставка, изисквания към механичните и технологичните характеристики, размерите и допустимите отклонения и методите за изпитване.

Scope in English

Standardization in the field of heavy non-ferrous metals and alloys, precious metals and alloys, excluding light metals (aluminum, titanium and magnesium), including requirements for unwrought, wrought and cast products - materials, designations, terminology, delivery conditions, requirements for mechanical physical and technological characteristics, dimensions and tolerances and test methods.

Relation with all international committees

CEN/TC 133 - Active

Мед и медни сплави
Copper and copper alloys

CEN/TC 209 - Dormant

Цинк и цинкови сплави
Zinc and zinc alloys

CEN/TC 220 - Disbanded

Калай и калаени сплави
Tin and tin alloys

CEN/TC 283 - Disbanded

Благородни метали. Приложение в бижутерията и бижутерски изделия
Precious metals - Applications in jewellery and associated products

CEN/TC 306 - Dormant

Олово и оловни сплави
Lead and lead alloys

ISO/TC 18 - Suspended

Цинк и цинкови сплави
Zinc and zinc alloys

ISO/TC 26 - Active

Мед и медни сплави
Copper and copper alloys

ISO/TC 174 - Active

Ювелирно дело (бижутерия)
Jewellery and precious metals

ISO/TC 155 - Active

Никел и никелови сплави
Nickel and nickel alloys

CEN/SS M14 - Active

Никел
Nickel

CEN/SS M21 - Active

Благородни метали. Приложение в бижутерски и сродни продукти
Precious metals - Applications in jewellery and associated products

CEN/TC 410 - Active

Доверие на потребителите и номенклатура в диамантената индустрия
Consumer confidence and nomenclature in the diamond industry