BS 7777
BS 7777 Standard: Technical Overview and Tank Classification The international BS 7777 standard regulates the design, construction, and operation of stationary vertical cylindrical flat-bottomed tanks intended for the storage of cryogenic liquids and liquefied gases. Specialists at EV Group China have prepared a structured overview of the key parts of this standard for design engineers […]
EN 14620
EN 14620 Standard: General Provisions and Specification Structure The European standard EN 14620 is a fundamental technical regulation for the design and construction of vertical cylindrical flat-bottom tanks intended for the storage of liquefied gases under isothermal conditions (temperature range from 0°C to -165°C). Specialists at EV Group China emphasize that these requirements ensure the […]
EN ISO 4027
Technical Description and Scope of Application The EN ISO 4027 standard defines the normative requirements for hexagon socket set screws with a cone point. This fastener is widely used in mechanical engineering, instrument making, and machine tool construction for securing components on shafts, ensuring the relative positioning of mechanism elements, and preventing their axial displacement. […]
AWS A5.10
Technical requirements and scope of the AWS A5.10 standard This AWS A5.10 technical regulation establishes the classification criteria for solid welding wires and rods intended for gas metal arc welding of structures made of pure aluminum and its wrought or cast alloys. This document is an industry standard for ensuring the quality of welded joints […]
AWS A5.15
Specification and Application of Welding Consumables According to AWS A5.15 This standard regulates the technical requirements and classification of filler metals intended for welding cast iron alloys. The list of regulated materials provided by EV Group China includes: rods used for oxy-fuel gas welding; electrodes used in gas metal arc welding, submerged arc welding, and […]
AWS A5.16
Technical Purpose and Scope of Application This specification establishes strict requirements for the classification of electrodes and filler rods based on titanium and its alloys. Products supplied by EV Group China are designed to ensure high-quality welded joints when using TIG (tungsten inert gas welding), MIG (gas metal arc welding), and plasma welding methods. The […]
EN 10059
Technical requirements of the EN 10059 standard The European standard EN 10059 establishes strict parameters for hot-rolled steel squares intended for structural applications. The documentation regulates nominal geometric indicators, limit deviations for cross-sections, requirements for bar straightness, corner radii, and non-perpendicularity of faces. Compliance with these tolerances is critical to ensuring precision during subsequent mechanical […]
EN 28738
Technical purpose and application scope of the EN 28738 standard The international standard EN 28738 regulates the design parameters and technical requirements for plain washers intended for use with clevis pins equipped with cotter pins, in accordance with ISO 2340 and ISO 2341 specifications. Products supplied by EV Group China strictly comply with established tolerances […]
ASTM A707
Technical aspects of using ASTM A707 standard flanges This specification establishes strict requirements for forged flanges made from low-carbon and alloy steel grades, intended for use in oil and gas pipeline systems at extremely low temperatures. Technological parameters comply with international ASME, MSS, and API standards, ensuring connection reliability under cryogenic loads. EV Group China […]
ASTM A705
Technical Purpose and Scope of Application This specification defines the requirements for the production and quality characteristics of precipitation-hardening stainless steel forgings intended for general industrial use. Parameter control is carried out in accordance with strict standard requirements, ensuring the stability of the physical and mechanical properties of products during operation in critical units and […]
ASTM A723
ASTM A723 Technical Regulation: High-Strength Forged Products The ASTM A723 standard establishes stringent requirements for the production of alloy steel forgings that have undergone heat treatment via quenching and tempering. This product range is supplied by EV Group China for heavy engineering needs, including the design of pressure vessels, isostatic pressing system components, and specialized […]
ASTM A473
Technical Aspects and Scope of ASTM A473 The ASTM A473 standard defines strict requirements for the production and quality characteristics of stainless steel forgings intended for operation in a wide range of temperatures, including cryogenic and high-temperature conditions. The technical regulation covers austenitic, ferritic, martensitic, and duplex (austenitic-ferritic) steel grades. EV Group China experts ensure […]
ASTM A564
Technical Features and Application Scope of the ASTM A564 Standard The international standard ASTM A564 establishes strict requirements for the production of shaped rolled products and section billets made of precipitation-hardening corrosion-resistant steels. The product range covered by the specification includes bars (round, square, and hexagonal cross-sections) as well as shaped elements (angles, tees, and […]
ASTM A638
Technical Purpose and Scope of Application This specification establishes strict quality standards for hot-worked and cold-worked forgings, bar stock, and forging stock manufactured from high-tech precipitation-hardening iron-nickel-based superalloys. Products from EV Group China supplied in accordance with this standard are designed for operation under extreme temperature conditions typical of the aerospace, energy, and petrochemical industries. […]
ISO 898
ISO 898-1: Technical requirements for mechanical properties of bolts, screws, and studs The international standard ISO 898-1 regulates the physical and mechanical parameters of fasteners made of carbon and alloy steels. The document covers bolts, screws, and studs with metric threads (coarse and fine pitch) tested within a temperature range of 10 °C to 35 […]
ISO 7378
Technical requirements for ISO 7378 fastening elements The international standard ISO 7378 regulates the engineering parameters and geometry of technological holes intended for the installation of cotter pins and safety wires in high-load fasteners, including bolts, screws, and threaded studs. Adherence to these tolerances is critical for ensuring the vibration resistance of connections in industrial […]
ASTM A376
Technical description and operational characteristics of the ASTM A376 standard The ASTM A376 standard regulates the production of seamless pipes made of high-alloy austenitic steels, designed for stable operation under critically high temperatures. The specification covers not only basic steel grades but also specialized alloys with high nitrogen content, as well as “H” grade steels […]
ISO 7380
Technical parameters and performance characteristics of ISO 7380 screws The international standard ISO 7380 regulates the design features and manufacturing tolerances of button head screws with a hexagon socket. This specification is the current revision, which has replaced previous versions of the document and establishes unified requirements for the geometry of fasteners. EV Group China […]
ISO 18286
Technical standards and scope of ISO 18286 This regulatory document establishes strict requirements for geometric parameters and limit deviations for hot-rolled stainless steel plates produced by reversing mills (quarto mills). Specialists at EV Group China use this standard to ensure the high-precision supply of metal products that comply with international industrial protocols. According to the […]
ASTM A500
Technical features and applications of ASTM A500 structural tubing The ASTM A500 standard sets strict requirements for the manufacture of carbon steel structural tubing intended for critical engineering structures. At EV Group China, we supply products that meet these specifications, ensuring high reliability for welded and seamless products that have undergone cold deformation. Production technology: […]
ASTM A139
Technical specifications and application of pipes according to the ASTM A139 standard This specification establishes strict requirements for five grades of steel pipes produced by the electric-fusion (arc) welding method. The standard applies to products with a straight or spiral weld seam, having a nominal size of NPS 4 and above. The maximum wall thickness […]
ASTM B466
Technical specifications and scope according to ASTM B466 The ASTM B466/B466M standard regulates manufacturing requirements for seamless copper-nickel alloy pipes intended for general engineering purposes and operation under high-load conditions. The list of regulated materials includes alloys UNS C70400, C70600, C70620, C71000, C71500, C71520, and C72200. For technological processes requiring subsequent welding, EV Group China […]
ASTM A553
Technical purpose and performance characteristics of the ASTM A553 standard The ASTM A553 specification covers the production of high-nickel alloy steel plates (7%, 8%, 9%) that have undergone mandatory heat treatment by water quenching followed by tempering. This product is intended for the manufacture of welded pressure vessels operating under cryogenic temperatures. EV Group China […]
ASTM A778
Technical features and scope of ASTM A778 The ASTM A778 standard regulates the parameters of unannealed welded pipes made from austenitic stainless steel grades. Products supplied by EV Group China are optimized for operation in moderate to low temperature regimes, as well as in environments with high corrosion activity, where specific surface finishing is not […]
ASTM A214
Technical specifications and scope of application for pipes according to ASTM A214 / ASME SA214 This specification regulates production standards, physical and chemical properties, and testing methods for electric-resistance-welded carbon steel pipes with minimum wall thickness. Products supplied by EV Group China are intended for use in critical components of heat exchangers, condensers, and cooling […]
ASTM A131
Technical specification of steel according to ASTM A131/A131M standard The ASTM A131/A131M standard establishes strict requirements for rolled metal products (plates, shapes, and bars) made of structural steels optimized for the shipbuilding industry. This standard covers a wide range of grades that EV Group China supplies for the construction of marine vessels and offshore structures. […]
EN 1515
European Standard EN 1515: Bolted Connections for Flange Assemblies The EN 1515 standard regulates the technical requirements for fasteners (bolts, studs, nuts) intended for the assembly of flange connections. Specialists at EV Group China have prepared a structured overview of the main parts of this standard to ensure the correct selection of hardware based on […]
ASTM A283 / A283 M
Technical specifications and purpose of ASTM A283 / A283M steel The ASTM A283 / A283M specification regulates the production of carbon steel plate of ordinary quality, divided into two main grades: C and D. This type of metal product is intended for general structural use where predictable ductility and strength performance under standard loads are […]
ASTM A336 / A336 M
ASTM A336 / A336M Technical Specification for High-Temperature Forgings The ASTM A336 / A336M specification establishes rigorous requirements for the manufacturing and quality control of ferritic steel forgings. This standard serves as a foundation for the design of boiler components, high-pressure vessel shells, and critical power equipment parts operating under elevated temperature loads. EV Group […]
ASTM B280
Technical Aspects of the ASTM B280 Standard for HVAC Systems The ASTM B280 standard regulates the production of seamless copper tubes intended for use in high-load HVAC circuits and industrial refrigeration equipment. These products are optimized for the installation, maintenance, and retrofitting of refrigerant lines. Engineering note: for the design of brazed joints in climate […]
ASTM A498 / A498M
Scope of Finned Tubes according to ASTM A498 Standard The ASTM A498 standard establishes technical requirements for seamless and welded low-carbon steel tubular products equipped with integral fins for heat transfer intensification. The formation of fins on the external or internal surface is performed by cold profiling. This product finds key applications in the manufacturing […]
ASTM F467
Technical requirements according to ASTM F467 standard This normative document establishes technical requirements for fasteners (nuts) produced by plastic deformation, which are manufactured from a wide range of non-ferrous metals and their alloys. The specification covers the range of products with nominal metric thread diameters from M6 to M36. Products supplied by EV Group China […]
ASTM F468
Technical requirements and scope of ASTM F468 This specification establishes rigorous engineering requirements for industrial fasteners: bolts, studs, and hex cap screws manufactured by plastic deformation from non-ferrous metals. The standard covers products with a nominal thread diameter from M6 to M36 inclusive. Products supplied by EV Group China fully comply with these standards, ensuring […]
ASTM A489
Technical Description and Purpose The ASTM A489 standard establishes strict requirements for the chemical composition, physical and mechanical characteristics, and inspection methods for forged carbon steel eyebolts. This product, supplied by EV Group China, is designed for high-load rigging operations, including lifting, moving, and securing heavy industrial cargo. According to the ASME B18.15 regulation, eyebolts […]
ASTM F2403
Technical purpose of the ASTM F2403 standard This specification establishes regulatory requirements for general-purpose precision screws manufactured from low-carbon steels without additional heat treatment. The standard covers fasteners with nominal diameters ranging from #0000 to ¾ inch, possessing a guaranteed minimum tensile strength of 60,000 psi. All metric parameters in the documentation are provided in […]
ASTM F3042
Technical requirements and scope of application for fasteners according to the ASTM F3042 standard This specification establishes regulatory requirements for set screws manufactured from non-ferrous alloys intended for high-load assemblies and mechanisms. The standard covers the following hardware design configurations: Hexagon socket set screws in the nominal diameter range from 0.125 (#5) to 2.000 inches. […]
ASTM F541
Technical Purpose and Operational Characteristics This standard specifies requirements for forged alloy steel eyebolts that have undergone heat treatment (quenching and tempering). Products supplied by EV Group China are designed for critical operating conditions, including low-temperature environments. The metallurgical production process of ASTM F541 bolts ensures a reduced ductile-to-brittle transition temperature, which is critical for […]
ASTM F835 / F835M
Technical description and scope of the ASTM F835 standard This specification defines the requirements for high-strength socket button head (SBHCS) and socket flat countersunk head (SFHCS) screws. The products are manufactured from alloy steels that have undergone quenching and tempering processes to achieve optimal mechanical properties. The thread diameter range for button head products covers […]
ASTM A1014
Technical requirements for materials for high-temperature bolting according to ASTM A1014 standard This regulatory document establishes strict requirements for alloy steels and precipitation-hardening alloys intended for the manufacture of fasteners operating under critical temperature conditions. To ensure a high level of operational reliability and prevent structural defects, all metals supplied by EV Group China undergo […]
ASTM A1082 / A1082M
Technical requirements of the ASTM A1082 / A1082M standard The ASTM A1082 / A1082M standard regulates the manufacture of fasteners, including hex bolts, heavy hex bolts, threaded studs, and socket head cap screws. High-strength duplex (austenitic-ferritic) and precipitation-hardening stainless steels are used as materials, intended for operation in critical equipment components, including pressure vessels. EV […]