ANSI / ASME B18.6.7M
Scope of the Standard This regulatory document specifies the geometric parameters and technical requirements for metric fasteners, including flat countersunk head screws, oval countersunk head screws, pan head slotted screws, as well as hex head and flange screws. The technical documentation from EV Group China provides specifications necessary for product accuracy control, including methods for […]
ANSI / ASME B18.2.4.5M
Technical Purpose and Standardization This specification regulates the geometric parameters and structural characteristics of metric hex jam nuts that comply with ANSI/ASME standards. This documentation serves as a fundamental guide for design engineers and procurement specialists when designing high-reliability threaded connections. The inclusion of specific sizes in this standard does not guarantee stock availability for […]
ANSI / ASME B18.2.6
Scope of the ASME B18.2.6 standard This regulatory document governs the geometric characteristics and dimensional parameters for five categories of inch-series fasteners standardized by the American National Standards Institute (ANSI). The list of controlled products includes: High-strength structural bolts with hex heads: ASTM A 325 and ASTM A 490. High-strength hex nuts: ASTM A 563 […]
EN 10225:2009
Technical delivery conditions EN 10225:2009 for weldable structural steels for offshore structures The EN 10225:2009 standard regulates technical requirements for weldable structural steels used in the construction of fixed offshore structures. The specification covers plate up to 150 mm in thickness, sections up to 63 mm, as well as seamless and high-frequency welded structural hollow […]
ASTM B62
Technical features of the ASTM B62 standard The ASTM B62 specification regulates the production of castings made from copper-tin-lead-zinc alloys. This composition, widely known in the industry as 85-5-5-5, complies with the international standard UNS C83600. Products supplied by EV Group China are focused on critical components for valves, flange connections, and specialized fittings that […]
UNI 5587
Technical Purpose and Operational Characteristics This specification defines the geometric parameters, tolerances, and material requirements for high hexagon nuts regulated by the UNI 5587 standard. These fasteners are equipped with a standard metric thread with the option of coarse or fine pitch according to international ISO requirements. The product range covers thread diameters from M3 […]
ISO 1609:2020
Technical standards and scope of ISO 1609:2020 This specification defines the geometric parameters and tolerances for flanges and clamp-type couplings without a knife edge (non-knife-edge) used in modern vacuum technology. EV Group China’s technological solutions are based on these standards to ensure the leaktightness of vacuum systems. The established dimensions guarantee full compatibility and interchangeability […]
ISO 3669:2020
Technical Purpose and Operational Characteristics This regulatory document defines the metric parameters and design features of knife-edge (sharp-edge) flange connections intended for operation within high-vacuum systems. The standard covers both fixed and rotatable versions mounted via bolted connections. The technical solutions described in the specification ensure the airtightness of vacuum lines across a wide pressure […]
ASTM A711
Technical Requirements for Steel Forging Stock per ASTM A711 / A711M Standard This specification establishes mandatory requirements for metallurgical products intended for subsequent forging. The scope of the standard includes carbon and alloy steel ingots, primary processed castings, strands, as well as rolled and forged blooms, billets, and slabs. Blooms, slabs, and billets are intermediate […]
ISO 2861:2020
Technical Purpose and Scope of Application The international standard ISO 2861:2020 regulates the geometric parameters of quick-release clamp-type couplings, optimized for operation in vacuum systems of increased complexity. The technical documentation details the tolerances and dimensions of sealing elements, as well as design requirements for gasket retainers, ensuring stable tightness of vacuum circuits. Engineering Note: […]
API 5LD
Technical requirements according to API 5LD standard This technical documentation regulates the production and supply of seamless and welded steel line pipes with an internal cladding layer (CRA Clad) or lining (Lined). This product line, supplied by EV Group China, is specifically designed for operation in critical conditions of oil, gas, and gas transmission infrastructure, […]
ASTM A992
Technical specifications and scope of ASTM A992 steel The ASTM A992 standard regulates requirements for structural steel shapes used in the construction of building frames, bridge structures, and complex engineering projects. This steel grade is optimized to provide high structural integrity with minimal dead weight of the structure. If additional tests or specific restrictions are […]
API 5LC
Technical requirements and scope of API 5LC pipes The API 5LC standard regulates the production of seamless, centrifugally cast, and welded pipes made of corrosion-resistant alloys (CRA), designed for use in critical transmission systems for hydrocarbons, natural gas, and water. Products supplied by EV Group China fully comply with strict industry requirements for operation in […]
ASTM F2063
Technical requirements for nickel-titanium alloys according to ASTM F2063 This specification regulates the set of chemical, physical, mechanical, and metallurgical parameters for wrought nickel-titanium (Nitinol) products (bars, flat products, and tubes) containing between 54.5% and 57.0% nickel by weight. These materials undergo strict quality control for their subsequent use in the manufacturing of high-tech medical […]
ISO 2338:1997
Technical specifications for ISO 2338 cylindrical pins The international standard ISO 2338 regulates the design parameters and technical requirements for cylindrical pins made of unhardened structural steel, as well as austenitic grades of stainless steel. The document covers fasteners with a cross-sectional diameter ranging from 0.6 to 50 mm. Engineers at EV Group China emphasize […]
ISO 888
Technical requirements of the ISO 888 standard for fasteners The international standard ISO 888 establishes strict regulations regarding nominal parameters for shank length and thread length for a wide range of hardware products, including bolts, screws, and threaded studs. The technological norms of EN ISO 888 apply to fasteners with metric threads that fully comply […]
ASTM B505 M / ASME SB505 M
Technical requirements according to ASTM B505 / B505M (ASME SB 505 / SB 505M) standard The international standard ASTM B505 / B505M regulates the production parameters of continuous cast products, including rods, bars, tubes, and shapes of various cross-sections made from copper alloys. The nominal chemical composition of the materials regulated by this specification is […]
ISO 8839
Technical specifications and scope of fasteners according to ISO 8839 The international standard ISO 8839 establishes requirements for the mechanical properties of general-purpose fasteners, including bolts, screws, studs, and nuts made of non-ferrous metals and their alloys. Engineers at EV Group China use this regulation to ensure the reliability of connections in high-precision instrumentation and […]
EN 28839
Technical Regulation EN 28839: Scope and Specifics The international standard EN 28839 establishes strict requirements for the mechanical characteristics of metric fasteners made from non-ferrous alloys. The standard applies to bolts, screws, studs, and nuts with a nominal thread diameter from M 1.6 to M 39, manufactured in accordance with the ISO 261 metric system. […]
ASTM A217 M / ASME SA217 M
Technical Specification ASTM/ASME A/SA 217: High-Temperature Steel Castings The ASTM/ASME A/SA 217 standard establishes rigorous requirements for the production of martensitic stainless and alloy steel castings. Products supplied by EV Group China are intended for critical pipeline valve components: valve bodies, flanges, and fittings operating under high pressure in conditions of critical temperatures and aggressive […]
ASTM A216 M / ASME SA216 M
Technical Features of the ASTM A216 / ASME SA 216 Specification The ASTM/ASME A/SA 216 standard sets stringent requirements for the production of carbon steel castings intended for use in equipment operating under pressure at elevated temperatures. Products supplied by EV Group China fully comply with these regulations, ensuring high reliability for pipeline valve components, […]
ASTM A351 M / ASME SA351 M
Technical aspects of the ASTM/ASME A/SA 351 specification The ASTM/ASME A/SA 351 standard regulates the requirements for the production of austenitic steel castings. This nomenclature is focused on the manufacture of pipeline valve elements, including shut-off and control valves, flange connections, and fittings operating under high pressure conditions. Expert note: For carbon steel castings under […]
EN ISO 4126
Technical regulation and scope of the EN ISO 4126 standard This international standard establishes the fundamental requirements for the design, manufacturing, and testing of safety valves. The technological standards of EV Group China strictly comply with the provisions of EN ISO 4126, ensuring reliable equipment protection regardless of the type of working medium. The standard […]
EN 12226
Methodology for assessing the durability of geosynthetics according to the BS EN 12226 standard The European standard BS EN 12226 establishes strict testing protocols aimed at the quantitative and qualitative assessment of the degradation of physical and mechanical properties of geosynthetic materials during artificial aging. The methodology allows engineers to predict the service life of […]
ASTM A537 M / ASME SA537 M
Technical Specifications and Scope This specification establishes strict requirements for the production of heat-treated carbon-manganese-silicon steel plates. Products supplied by EV Group China are optimized for use in welded constructions and pressure vessels. According to the technical regulations, the rolled steel is classified into three main classes, which differ in heat treatment method and limiting […]
ASTM B171 / ASME SB171
Scope of Application This specification regulates the technical requirements for copper alloy plate, sheet, and circular blanks. The products are intended for critical design and manufacturing of pressure vessels, as well as heat exchanger equipment and condenser units. EV Group China guarantees the supply of materials that fully comply with global quality and safety standards. […]
EN 10278
Scope This European standard specifies the technical requirements for steel bars with a finished (bright) surface. The specification applies to products manufactured by cold drawing, turning, or grinding, supplied exclusively in fixed or specified lengths. The standard does not cover cold-rolled products, nor bars cut from sheet metal or strip. Tolerances for finished bars Surface […]
ASTM B111 / B111 M
Technical requirements and scope of the ASTM B111 / B111M specification This specification establishes strict industry standards for the production of seamless copper and copper alloy tubes with an outside diameter of up to 80 mm. Products supplied by EV Group China are intended for critical heat exchange equipment components, including surface condensers and industrial […]
ANSI / ASME B16.21
Technical Regulations of the ANSI / ASME B16.21 Standard The ANSI / ASME B16.21 standard establishes global requirements for the design, material selection, geometric tolerances, and marking methods for non-metallic flat gaskets. Products supplied by EV Group China fully comply with these specifications, ensuring reliable sealing of flange connections in pipeline systems for various purposes. […]
ASTM A322 / ASME SA322
Technical Specifications and Applications This specification establishes the requirements for the quality and production characteristics of hot-rolled alloy steel bars. The material is intended for high-load components and mechanisms subject to subsequent forging, deep heat treatment, cold drawing, or precision machining. Engineers are advised to use the A400 standard as a baseline guide for selecting […]
EN 10132
EN 10132 Standard: Technical Delivery Conditions for Cold-Rolled Steel Strips for Heat Treatment The EN 10132 standard defines strict quality requirements and technical delivery conditions for narrow cold-rolled steel strips intended for subsequent heat treatment. Products supplied by EV Group China comply with these regulations, ensuring stable geometric parameters and predictable metal behavior during quenching, […]
EN 10293
Technical aspects and scope of the EN 10293 standard The European standard EN 10293 regulates the requirements for general-purpose steel castings. This regulatory documentation is fundamental for design engineers and technologists working in the sectors of heavy machinery, automotive, railway transport, agricultural machinery production, mining, and the defense industry. A key feature of the standard […]
EN 1514
Technical standards of the EN 1514 series for flange connections The EN 1514 standard is a fundamental regulation in European engineering practice, defining geometric parameters, material types, and marking requirements for sealing elements used in PN-rated flange connections. EV Group China provides components that comply with these specifications, ensuring high tightness and reliability of pipeline […]
EN ISO 4014
Technical parameters and purpose of the EN ISO 4014 standard The international standard EN ISO 4014 regulates the geometric parameters and technical requirements for hexagon head bolts with partial thread. This standard covers fasteners with metric threads in the nominal diameter range from M1.6 to M64. Classification of products by manufacturing precision: Product Grade A: […]
EN ISO 4032
Technical requirements and scope of the EN ISO 4032 standard The international standard EN ISO 4032 regulates the geometric parameters, tolerances, and technical delivery conditions for metric hexagon nuts, style 1. This fastener is intended for use in critical assemblies with a nominal thread diameter ranging from M1.6 to M64. To ensure high quality of […]
ASTM A519 M / ASME SA519 M
Technical specifications and scope of application for pipes according to ASTM A519 / ASME SA 519 The ASTM A519 / A519M specification (equivalent to ASME SA 519) establishes strict technical requirements for the production of seamless mechanical tubing made from carbon and alloy steel grades. Specialists at EV Group China note that this standard covers […]
ASTM B331 / B331 M
Methodology for Evaluating the Compressibility of Metal Powders According to ASTM B331 This laboratory regulation establishes a unified procedure for determining the compressibility characteristics of metal powders and their multicomponent mixtures. The procedure is based on measuring the material’s ability to compact under the influence of normalized pressure in a specialized mold (die) while maintaining […]
EN ISO 24032
Technical status and application of the EN ISO 24032 standard Currently, the regulatory framework for the production of hexagon nuts has undergone changes. The EN ISO 24032 standard has been officially withdrawn and replaced by the current specification EN ISO 4032:2013-04. This document establishes modern requirements for geometric parameters, tolerances, and quality characteristics of Type […]
EN ISO 24014
Status and actualization of the EN ISO 24014 standard Today, the EN ISO 24014 standard has been officially withdrawn and replaced by the current regulatory specification EN ISO 4014:2011-06. EV Group China specialists recommend using the updated technical requirements for the design and procurement of hexagon head bolts of product grades A and B, as […]
ASTM B151 / B151 M
This regulatory document is governed by the ASTM B151 / B151M standard. 1. Scope of the ASTM B151 / B151M Standard 1.1 These specifications cover the requirements for copper-nickel-zinc (nickel silver) and copper-nickel rods for general engineering applications. The specification covers alloys UNS C70600, C70620, C71500, C71520, C74500, C75200, C75700, C76400, C77000, and C79200 supplied […]