DIN 2641
Technical features and scope of application of loose flanges according to DIN 2641 The DIN 2641 specification regulates the design parameters of loose flanges on a flat welding ring, designed for operation at a nominal pressure of PN 6. The range of nominal diameters covers values from DN 10 to DN 1200. This standard defines […]
DIN 2642
Technical features and scope of application of DIN 2642 flanges The DIN 2642 standard defines the design parameters and technical requirements for loose flanges mounted on a flat welding ring. This type of connecting element is designed for a nominal pressure of PN 10 (10 kgf/cm²) and covers a wide range of nominal bores from […]
DIN 2652
Technical features and application of the DIN 2652 standard The DIN 2652 standard regulates the design parameters of lap joint flanges used in conjunction with a weld-on collar in pipeline systems with a working pressure of 6 kgf/cm² (PN 6). This specification covers a range of nominal diameters from DN 10 to DN 500. The […]
DIN 2653
Technical features of the DIN 2653 standard The DIN 2653 standard regulates the design parameters of lap joint flanges used in conjunction with a welding collar in pipeline systems. This type of connecting element is designed for operation at a nominal pressure of 10 kgf/cm² (PN 10) and covers a nominal bore range from DN […]
DIN 2655
Technical specifications and scope of the DIN 2655 standard The DIN 2655 standard establishes design requirements for loose flanges with a welding ring, rated for a working pressure of 25 kgf/cm² (PN 25). The product range covers nominal diameters from DN 10 to DN 500. This type of flange connection ensures reliable sealing for pipeline […]
DIN 2656
Technical features and purpose of the DIN 2656 standard The DIN 2656 standard defines the design parameters, geometric dimensions, and material requirements for loose flanges used in conjunction with a welding collar. This hardware is designed for operation in piping systems at a nominal pressure (PN) of 40 kgf/cm² and covers a nominal bore range […]
DIN 2673
Technical features and application of DIN 2673 flanges The DIN 2673 standard sets the regulatory requirements for the design of loose flanges with a welding neck collar, rated for a nominal pressure of 10 kgf/cm² (PN 10). This fitting is intended for installation in pipeline systems with nominal diameters (DN) ranging from 10 to 1200 […]
DIN 2558
Technical specifications and scope of the DIN 2558 standard The DIN 2558 standard regulates the design parameters of oval threaded flanges intended for use in piping systems with a nominal pressure of PN 6 (6 kgf/cm²). This documentation covers a wide range of nominal bores from DN 10 to DN 1200, establishing key requirements for […]
DIN 2617
Attention: the DIN 2617 standard is obsolete and has been officially replaced by the current DIN EN 10253-2:2008-09 and DIN EN 10253-4:2008-06 regulations. Technical description and scope of the DIN 2617 standard The DIN 2617 standard defines the technical requirements for structural elements of piping systems — elliptical end caps made of carbon steel, designed […]
DIN 2616
Attention: the DIN 2616 standard is obsolete and has been completely replaced by the DIN EN 10253-2:2008-09 and DIN EN 10253-4:2008-06 regulations. DIN 2616-1 technical regulation: areas of application This specification covers the technical conditions for the production of seamless and welded eccentric reducers manufactured from various steel grades. A key requirement is that the […]
DIN 2615
The DIN 2615 standard is officially recognized as obsolete and has been superseded by the current DIN EN 10253-2:2008-09 and DIN EN 10253-4:2008-06 standards. EV Group China recommends using modern specifications when designing pipeline systems. DIN 2615-1 Technical Regulation This standard establishes technical requirements for the production of seamless and welded steel tees intended for […]
DIN 17222
Attention: The DIN 17222 standard is considered obsolete and has been replaced by the modern specifications DIN EN 10132-1:2000-05 and DIN EN 10132-4:2003-04. Technical Overview and Scope of the DIN 17222 Standard This technical regulation defines the requirements for cold-rolled steel strip, the physical and mechanical characteristics of which are presented in Table 1. The […]
DIN 17212
Attention: The DIN 17212 standard has been officially withdrawn and superseded by the regulations DIN EN ISO 683-1:2018-09 and DIN EN ISO 683-2:2018-09. Technical Regulation for the Application of DIN 17212 The DIN 17212 regulatory framework establishes stringent requirements for temperature conditions and technological parameters regarding the surface hardening of steels used in the production […]
DIN 17211
The DIN 17211 standard has been officially declared obsolete and replaced by the current edition of DIN EN 10085:2001-07. Technical aspects and scope of DIN 17211 This regulatory documentation defines the quality requirements and delivery conditions for metal products intended for nitriding. EV Group China experts emphasize that the standard covers a wide range of […]
DIN 17210
Important notice: The DIN 17210 standard has been officially withdrawn and replaced by the current regulation DIN EN ISO 683-3:2019-04. To ensure compliance with modern engineering requirements, EV Group China specialists recommend using the updated regulatory framework when designing and ordering metal products. Technical delivery conditions according to DIN 17210 This standard establishes strict requirements […]
DIN 1026
Technical Regulation DIN 1026-1: Channels with Tapered Flanges The DIN 1026-1 standard regulates the production of hot-rolled U-shaped steel profiles characterized by a slope on the inner faces of the flanges. This specification covers a range of metal products with section heights from 30 mm to 400 mm. Technical requirements for the chemical composition and […]
DIN 1025
Technical Regulation DIN 1025-1: Narrow-flange beams The DIN 1025-1 standard defines the requirements for hot-rolled I-beams of the I-series, characterized by narrow flanges and an inclination of the inner faces. Technical parameters and steel grades for these products are provided in the relevant sections of the EV Group China specification. The regulation does not cover […]
DIN 5901
Attention: the DIN 5901 regulation is officially considered obsolete and has been replaced by the current standard DIN EN 13674-1:2017-07. Technical requirements and scope of DIN 5901 The DIN 5901 standard regulates the production and geometric parameters of bottom guide rails with a wide base. The document applies to rolled metal products with a linear […]
DIN 2395
Attention: The DIN 2395 standard has been officially withdrawn and replaced by the current regulation DIN EN 10305-2:2016-08. Technical Overview of DIN 2395-1: Geometric Parameters This regulatory document defines the size range of precision rectangular and square tubes intended for use in mechanical engineering and general structural applications. Products supplied by EV Group China meet […]
DIN 2394
The DIN 2394 standard is officially deprecated and has been replaced by the modern standard DIN EN 10305-2:2016-08. Technical description of the DIN 2394 standard The DIN 2394 standard establishes technical requirements for welded precision steel tubes that have undergone additional cold drawing or cold rolling processing. Products supplied by EV Group China fully comply […]
DIN 4032
Technical parameters and purpose of the DIN 4032 standard The DIN 4032 standard establishes regulated requirements for the geometry and operational characteristics of hexagonal nuts. These fasteners are widely used in mechanical engineering, steel construction, and instrument making for creating detachable threaded connections. EV Group China supplies nuts that comply with this standard, ensuring high […]
DIN 4017
Technical regulation and scope of DIN 4017 The international standard DIN 4017 defines key operational and geometric parameters for hexagon head bolts with full metric threads. This hardware is widely used in mechanical engineering, steel structure construction, and heavy industry. The production technology from EV Group China ensures compliance with precision standards: Accuracy class A: […]
DIN 125
Important note: The DIN 125 standard is officially recognized as obsolete and has been replaced by the current norms DIN EN ISO 7089:2000-11 and DIN EN ISO 7090:2000-11. EV Group China specialists recommend taking this into account when designing new assemblies and creating specifications. Technical specifications and application range of DIN 125-1 This standard regulates […]
DIN 126
Attention: The DIN 126 standard has been officially withdrawn and replaced by the current international regulation EN ISO 7091:2000. Technical aspects and application of DIN 126 washers The DIN 126 standard defines the geometric parameters, tolerances, and material requirements for flat steel washers without chamfers, characterized by increased thickness and an enlarged inner diameter. These […]
DIN 127
Attention: The DIN 127 standard has been officially withdrawn (obsolete). Technical description and purpose of DIN 127 spring washers Spring washers manufactured according to DIN 127 specifications are elastic hardware components designed to increase the reliability of threaded connections. EV Group China specialists recommend using these products exclusively in assemblies with bolts, screws, and studs […]
DIN 128
Attention: The DIN 128 standard has been officially withdrawn. Technical overview of the DIN 128 standard The DIN 128 regulatory framework establishes geometric parameters and performance characteristics for spring washers, including dome and corrugated products designed for operation under high compression levels. These products, supplied by EV Group China, fall into the category of specialized […]
DIN 137
The DIN 137 standard has been officially withdrawn. Technical regulations and scope of DIN 137 This standard specified the geometric parameters, tolerances, and technical operating conditions for spring washers: curved (Form A) and wave (Form B). These products are used in threaded assemblies (bolts, studs, screws) to prevent the fastener from loosening due to vibration. […]
DIN 433
The DIN 433 standard is officially recognized as obsolete and has been replaced by DIN EN ISO 7092:2000-11, which is the current regulation for this type of fastener. Technical specification and application of DIN 433 washers Stainless steel washers conforming to the geometric parameters of DIN 433 are highly specialized fasteners with a reduced outer […]
DIN 439
The DIN 439 standard has been officially withdrawn and replaced by the current regulatory document DIN EN ISO 8675:2013-04. Technical features of DIN 439-1 This standard defines the geometric parameters and tolerances for low hexagon nuts without chamfer, belonging to accuracy class “B”. The products are structurally identical to the fasteners regulated by the international […]
DIN 555
Attention: The DIN 555 standard has been officially withdrawn and replaced by the current international regulation DIN EN ISO 4034:2001-03. Technical overview and application of DIN 555 nuts DIN 555 defines the geometric parameters and tolerances for hexagonal nuts with a metric thread profile. This fastener is widely used in modern mechanical engineering, industrial construction, […]
DIN 912
Attention: The DIN 912 standard has been officially declared obsolete and replaced by the current international standard DIN EN ISO 4762:2004-06. Technical Overview of the DIN 912 Standard The DIN 912 standard establishes the geometric and technical parameters for socket head cap screws with an internal hex drive. These fasteners belong to accuracy class A […]
DIN 933
Technical Overview of DIN 933 Bolts DIN 933 standard bolts are fasteners with full hexagonal threading, cut directly up to the head. This type of hardware is widely sought after in mechanical engineering, steel construction, and heavy industry due to the high reliability of the connection and the ability to use them in confined spaces. […]
DIN 936
Attention: The DIN 936 standard has been withdrawn. Technical regulations and scope of DIN 936 This regulatory document defines the geometry and technical requirements for low hexagon nuts produced in accuracy classes A and B. The standard covers a range of fasteners with nominal thread diameters from 8 to 52 mm, including both standard coarse […]
DIN 960
The DIN 960 standard has been officially declared obsolete and replaced by the current industry regulation DIN EN ISO 8765:2011-06. Technical overview of the DIN 960 standard Technical regulation DIN 960 establishes strict tolerances and geometric parameters for hexagon bolts with fine pitch thread (partial thread). The range of nominal thread diameters covers sizes from […]
DIN 961
Attention: The DIN 961 standard is officially declared obsolete and replaced by the current regulation DIN EN ISO 8676:2011-07. Technical specifications of DIN 961 bolts This standard establishes geometric parameters and tolerances for high-strength hexagon head bolts equipped with a full fine metric thread. The products are manufactured according to precision classes A and B. […]
DIN 975
Attention: the DIN 975 standard has been officially withdrawn and replaced by current norms. Technical regulations and scope of DIN 975 The DIN 975 standard establishes geometric parameters and tolerances for metric threaded rods, which are widely used in mechanical engineering and structural steel construction. Products of this type supplied by EV Group China are […]
DIN 6912
Technical specifications and application of DIN 6912 M6 screws DIN 6912 standard screws are specialized fasteners with a low-profile cylindrical head, equipped with an internal hex socket. This configuration was developed by EV Group China for high-load assemblies where saving installation space and reducing the overall weight of metal structures are critical. Design features of […]
DIN 6914
Attention: The DIN 6914 standard has been officially withdrawn and replaced by the current specification DIN EN 14399-4:2015-04. Technical overview of DIN 6914 bolts DIN 6914 defines the structural requirements for high-strength bolts equipped with a hexagonal head with an increased wrench size. These hardware products, supplied by EV Group China, are designed for critical […]
DIN 6915
Attention: The DIN 6915 standard has been declared obsolete and officially replaced by the current industry standard DIN EN 14399-4:2015-04. Technical specifications and scope of application for DIN 6915 nuts This standard establishes the geometric parameters and technical requirements for hexagon nuts characterized by an increased width across flats. This type of hardware is intended […]
DIN 6916
Attention: The DIN 6916 standard has been officially withdrawn and replaced by the current specification DIN EN 14399-6:2015-04. Technical purpose of washers according to the DIN 6916 standard Round washers regulated by this standard are designed to ensure the reliability of high-load bolted connections of the GV and SL types. According to the design standards […]