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Database: 365,228(8 Aug 2026)

Flat welding head

Flat welding head, Total:193 items.

The international standard classification for "Flat welding head" includes: Rings, bushes, sleeves, collars , Flanges, couplings and joints , Rivets , Rivets .

The Chinese standard classification for "Flat welding head" includes: Pipeline fittings , Fastener , Fasteners .


Professional Standard - Machinery

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 12615.4-2004 Closed end blind rivets with break pull mandrel and protruding head-property class 51
  • GB/T 12615.2-2004 closed end blind rivets with break pull mandrel and protruding head-property class 30
  • GB/T 3758-2008 24° cone connectors - Weld-on nipple
  • GB/T 12615.3-2004 closed end blind rivets with break pull mandrel and protruding head-property class 06
  • GB/T 12615.1-2004 closed end blind rivets with break pull mandrel and protruding head-property class 11

Professional Standard - Aerospace

  • QJ 523-1983 Shear Sealed Round Head Ring Groove Rivet Shank
  • QJ 531-1985 Rod of Pulling-Riveting Type Tensile Sealing Mushroom Head Ring Groove Rivet

Group Standards of the People's Republic of China

  • T/NJ 1132-2018 Agricultural and forestry tractors and machinery metal pipe joints O-ring flat seal joints

未注明发布机构

Society of Automotive Engineers (SAE)

  • SAE AS5018-2015 WASHER, FLAT, BEAM SEAL FITTING
  • SAE AS5018-1995 Washer, Flat, Beam Seal Fitting
  • SAE AS25183B-2021 CONNECTOR, PLUG, ELECTRIC, POTTING SEAL, SOLDER CONTACT, AN TYPE
  • SAE AS4510/2-2013 Fittings, Weld To Beam Seal, Fluid Connection
  • SAE AS25183A-2011 Connector, Plug, Electric, Potting Seal, Solder Contact, AN Type
  • SAE MA2301-1996 Fitting, Adapter, Slip on Nut Beam Seal to Weld, Metric
  • SAE AS4230D-2019 FITTING, ELBOW, 45°, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4232D-2019 FITTING, ELBOW, 90°, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4232C-2015 FITTING, ELBOW, 90°, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4230-2002 FITTING, ELBOW, 45°, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4232-2002 FITTING, ELBOW, 90°, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4230C-2015 FITTING, ELBOW, 45°, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4230C-2007 FITTING, ELBOW, 45? EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE MA2300-2015 FITTING, ADAPTER, EXTERNAL THREAD BEAM SEAL TO INTEGRAL WELD RING, METRIC
  • SAE AS4232B-2007 Fitting, Elbow, 90°, External Thread, Beam Seal to Integral Weld Ring
  • SAE AS4231C-2015 FITTING, ELBOW, 45°, BULKHEAD, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4233D-2019 FITTING, ELBOW, 90°, BULKHEAD, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4227A-2013 FITTING ASSEMBLY, ADAPTER, INTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4227-2002 FITTING ASSEMBLY, ADAPTER, INTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4231D-2019 FITTING, ELBOW, 45°, BULKHEAD, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4233C-2015 FITTING, ELBOW, 90°, BULKHEAD, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4231-2002 FITTING, ELBOW, 45°, BULKHEAD, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4233-2002 FITTING, ELBOW, 90°, BULKHEAD, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE J1453-2-2007 Specification for O-Ring Face Seal Connectors: Part 2 Requirements, Dimensions, and Tests for Steel Unions, Bulkheads, Swivels, Braze Sleeves, Caps, and Connectors with ISO 6149-2 Metric Stud Ends
  • SAE AS4229-1996 Fitting, Adapter, Bulkhead, External Thread, Beam Seal to Integral Weld Ring
  • SAE J1453/3-2007 Specification for O-Ring Face Seal Connectors: Part 3 Requirements, Dimensions, and Tests for Steel Unions, Bulkheads, Swivels, Braze Sleeves, Connectors, Caps, and Connectors with SAE J 1926-2 Inch Stud Ends
  • SAE J1453-2-2013 Specification for O-Ring Face Seal Connectors: Part 2 Requirements, Dimensions, and Tests for Steel Unions, Bulkheads, Swivels, Braze Sleeves, Braze-on Tube Ends, Caps, and Connectors with ISO 6149-2 Metric Stud Ends and ISO 6162 4-Bolt Flange Heads

CZ-CSN

Korean Agency for Technology and Standards (KATS)

  • KS B ISO 15973:2008 Closed end blind rivets with break pull mandrel and protruding head-AIA/St
  • KS B ISO 15975:2005 Closed end blind rivets with break pull mandrel and protruding head-AI/AIA
  • KS B ISO 15976:2005 Closed end blind rivets with break pull mandrel and protruding head-St/St
  • KS B ISO 16585:2004 Closed end blind rivets with pull mandrel and protruding head-A2/SSt
  • KS D ISO 3305-2003(2013) Plain end welded precision steel tubes-Technical conditions for delivery
  • KS B ISO 13919-1:2018 Welding — Electron and laser-beam welded joints — Guidance on quality levels for imperfections — Part 1: Steel
  • KS M 2954-2007 Test methods of water-soluble flux for horizontal soldering

VN-TCVN

BE-NBN

Defense Logistics Agency

CH-SNV

SAE - SAE International

  • SAE AS4510/2-1996 Fittings@ Weld to Beam Seal@ Fluid Connection
  • SAE AS4510/2A-2019 Fittings@ Weld to Beam Seal@ Fluid Connection
  • SAE AS4232-1996 Fitting@ Elbow@ 90 Degree@ External Thread@ Beam Seal to Integral Weld Ring
  • SAE AS4230-1996 Fitting@ Elbow@ 45 Degree@ External Thread@ Beam Seal to Integral Weld Ring
  • SAE AS25183-2004 CONNECTOR@ PLUG@ ELECTRIC@ POTTING SEAL@ SOLDER CONTACT@ AN TYPE
  • SAE AS25183B-2017 Connector, Plug, Electric, Potting Seal, Solder Contact, AN Type
  • SAE AS4231-1996 Fitting@ Elbow@ 45 Degree@ Bulkhead@ External Thread@ Beam Seal to Integral Weld Ring
  • SAE AS4233-1996 Fitting@ Elbow@ 90 Degree@ Bulkhead@ External Thread@ Beam Seal to Integral Weld Ring
  • SAE AS38999/48A-1998 Connectors@ Electrical@ Circular@ Miniature@ High Density@ Quick Disconnect (Bayonet@ Threaded@ and Breech Coupling)@ Environment Resistant@ Removable Crimp and Hermetic Solder Contacts@ Receptable@ Weld Mounting Hermetic@ Breech Coupling@ Hermetic Solder
  • SAE AS38999/48-1998 Connectors@ Electrical@ Circular@ Miniature@ High Density@ Quick Disconnect (Bayonet@ Threaded@ and Breech Coupling)@ Environment Resistant@ Removable Crimp and Hermetic Solder Contacts@ Receptable@ Weld Mounting Hermetic@ Breech Coupling@ Hermetic Solder
  • SAE AS4228-1996 Fitting@ Adapter@ External Thread@ Beam Seal to Integral Weld Ring
  • SAE MA2300-1996 Fitting@ Adapter@ External Thread Beam Seal to Integral Weld Ring@ Metric
  • SAE AS4230A-2006 FITTING, ELBOW, 45? EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4233A-2006 FITTING, ELBOW, 90°, BULKHEAD, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4227B-2014 FITTING ASSEMBLY@ ADAPTER@ INTERNAL THREAD@ BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4227C-2017 FITTING ASSEMBLY@ ADAPTER@ INTERNAL THREAD@ BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4227A-2005 FITTING ASSEMBLY@ ADAPTER@ INTERNAL THREAD@ BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS4232A-2006 Fitting, Elbow, 90°, External Thread, Beam Seal to Integral Weld Ring
  • SAE AS4227D-2019 FITTING ASSEMBLY@ ADAPTER@ INTERNAL THREAD@ BEAM SEAL TO INTEGRAL WELD RING
  • SAE AS38999/45A-1998 Connectors@ Electrical@ Circular@ Miniature@ High Density@ Quick Disconnect (Bayonet@ Threaded@ and Breech Coupling)@ Environment Resistant@ Removable Crimp and Hermetic Solder Contacts@ Receptacle@ Solder Mounting@ Hermetic@ Breech Coupling@ Hermetic Sol
  • SAE AS38999/45-1998 Connectors@ Electrical@ Circular@ Miniature@ High Density@ Quick Disconnect (Bayonet@ Threaded@ and Breech Coupling)@ Environment Resistant@ Removable Crimp and Hermetic Solder Contacts@ Receptacle@ Solder Mounting@ Hermetic@ Breech Coupling@ Hermetic Sol

SCC

  • DANSK DS/ISO 5817:1994 Arc-welded joints in steel - Guidance on quality levels for imperfections
  • DANSK DS/EN 1712:1998 Non-destructive examination of welds - Ultrasonic examination of welded joints - Acceptance levels
  • NS-EN 1712:1997 Non destructive examination of welds — Ultrasonic examination of welded joints — Acceptance levels
  • DANSK DS/EN ISO 10042/AC:2006 Welding – Arc-welded joints in aluminium and its alloys – Quality levels for imperfections
  • BS EN 25817:1992 Arc-welded joints in steel. Guidance on quality levels for imperfections
  • DANSK DS/EN ISO 5817:2014 Welding – Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) – Quality levels for imperfections
  • DIN EN 1712 E:2007 Draft Document - Non-destructive testing of welds - Ultrasonic testing of welded joints - Acceptance levels; German version prEN 1712:2007
  • UNE-EN 1712:1998 NON DESTRUCTIVE EXAMINATION OF WELDS. ULTRASONIC EXAMINATION OF WELDED JOINTS. ACCEPTANCE LEVELS.
  • NS-ISO 10042:1992 Arc-welded joints in aluminium and its weldable alloys — Guidance on quality levels for imperfections
  • MIL MIL-DTL-3786/4N-2019 Switch, Rotary, Closed Construction, 2 Amperes, Low Level, Positive Shaft Grounding, Flux Seal, Style SR04
  • UNE-EN 12517:1998 NON-DESTRUCTIVE EXAMINATION OF WELDS. RADIOGRAPHIC EXAMINATION OF WELDED JOINTS. ACCEPTANCE LEVELS.
  • NS-EN ISO 10042:2018 Welding — Arc-welded joints in aluminium and its alloys — Quality levels for imperfections (ISO 10042:2018)
  • DANSK DS/EN 16296:2021 Imperfections in thermoplastics welded joints – Quality levels
  • MIL MIL-DTL-3786/4M-2014 Switch, Rotary, Closed Construction, 2 Amperes, Low Level, Positive Shaft Grounding, Flux Seal, Style SR04
  • AENOR UNE-EN 16296:2013 Imperfections in thermoplastics welded joints - Quality levels
  • NS-EN 16296:2021 Imperfections in thermoplastics welded joints - Quality levels
  • NS-EN 16296:2012 Imperfections in thermoplastics welded joints — Quality levels
  • MIL MIL-DTL-3786/4L-2008 Switch, Rotary, Closed Construction, 2 Amperes, Low Level, Positive Shaft Grounding, Flux Seal, Style SR04
  • NS-EN ISO 5817:2014 Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections (ISO 5817:2014)
  • AENOR UNE-EN ISO 10042:2018 Welding. Arc welded joints in aluminum and its alloys. Quality levels for imperfections. (ISO 10042:2018).
  • DIN EN ISO 10042 E:2017 Draft Document - Welding - Arc-welded joints in aluminium and its alloys - Quality levels for imperfections (ISO/DIS 10042:2017); German and English version prEN ISO 10042:2017
  • HOLDEN HN 1078-2001 Weld Through Sealer
  • DIN EN ISO 5817 E:2012 Draft Document - Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections (ISO/DIS 5817:2012); German version prEN ISO 5817:2012
  • MIL MIL-DTL-83731/16D-2007 SWITCHES, TOGGLE, MINIATURE, RIGHT ANGLE (HORIZONTAL), PCB MOUNT, DOUBLE POLE, LEVER SEAL, FLUX SEAL(SUPERSEDING MIL-DTL-83731/16C)

ES-UNE

  • UNE-EN ISO 10042:2018 Welding - Arc-welded joints in aluminium and its alloys - Quality levels for imperfections (ISO 10042:2018)
  • UNE-EN 16296:2022 Imperfections in thermoplastics welded joints - Quality levels
  • UNE-EN ISO 5817:2023 Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections (ISO 5817:2023)

Association Francaise de Normalisation

  • NF EN ISO 10042:2018 Welding - Arc-welded aluminum and aluminum alloy assemblies - Quality levels versus defects
  • NF A89-521:1997 Non destructive examination of welds. Ultrasonic examination of welded joints. Acceptance levels.
  • NF J22-215:1993 Shipbuilding. Exhaust head. Flat steel flanges for welding.
  • NF A89-801*NF EN 16296:2021 Imperfections in thermoplastics welded joints - Quality levels
  • NF EN 15385:2007 Packaging - Rolled flexible tubes - Test methods for determining head weld strength

United States Navy

IT-UNI

  • UNI 3464-1954 Ships use pointed sealing sleeves welded to pipes. Welded joint
  • UNI 3475-1954 Ships use pointed sealing sleeves welded to pipes. Head welding hub
  • UNI 3472-1954 Ships use pointed sealing sleeves welded to pipes. Welded joint sleeve
  • UNI EN 16296-2021 Imperfections in thermoplastics welded joints - Quality levels
  • UNI 3468-1954 Ships use pointed sealing sleeves welded to pipes. Joints for welded end casing

U.S. Military Regulations and Norms

British Standards Institution (BSI)

PL-PKN

  • PN M73165-1965 Hydraulic drive and control equipment Coper sealed flange joints Welded pipe ends
  • PN M73164-1965 Hydraulic drive and control equipment Rubber sealed flange joints Welded pipe ends

German Institute for Standardization

  • DIN EN ISO 10042:2019-01 Welding - Arc-welded joints in aluminium and its alloys - Quality levels for imperfections (ISO 10042:2018); German version EN ISO 10042:2018
  • DIN EN 16296:2021-07 Imperfections in thermoplastics welded joints - Quality levels; German version EN 16296:2021
  • DIN EN ISO 5817:2023 Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections (ISO 5817:2023)
  • DIN EN ISO 5817:2023-07 Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections (ISO 5817:2023); German version EN ISO 5817:2023
  • DIN 86129:2018-03 Plug screws and flat sealing rings for welded-in screw caps for filling and sounding pipes

International Organization for Standardization (ISO)

  • ISO 3305:1976 Plain end welded precision steel tubes — Technical conditions for delivery

American Society of Mechanical Engineers (ASME)

GSO

  • BH GSO ISO 5817:2016 Welding -- Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) -- Quality levels for imperfections
  • GSO ISO 5817:2013 Welding -- Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) -- Quality levels for imperfections
  • OS GSO ISO 5817:2013 Welding -- Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) -- Quality levels for imperfections
  • GSO ISO 10042:2013 Welding -- Arc-welded joints in aluminium and its alloys -- Quality levels for imperfections
  • GSO ISO 13919-1:2015 Welding -- Electron and laser-beam welded joints -- Guidance on quality levels for imperfections -- Part 1: Steel

Lithuanian Standards Office

Danish Standards Foundation

  • DS/EN 16296:2013 Imperfections in thermoplastics welded joints - Quality levels
  • DS/EN 16296:2021 Imperfections in thermoplastics welded joints – Quality levels

AENOR

AT-ON

RO-ASRO

  • STAS 9560-1980 WIRE FOR SEALS
  • STAS 8815/2-1979 Equipment for chemical industry JOINTS FOR WELDING WITH FLAT LINED AND WELDED NECK FLANGE NP 2,5 Dimensions
  • STAS 8815/5-1979 Equipment for chemical industry JOINTS FOR WELDING WITH FLAT LINED AND WELDEDNECK FLANGE NP 16 Dimensions

American Society for Testing and Materials (ASTM)

AIA/NAS - Aerospace Industries Association of America Inc.

  • NASM3213-1998 Screws@ Machine@ Pan Head@ Cross-Recessed@ Self-Sealing@ Integral Fluorosilicone 0-Ring@ Plain and Self-Locking

KR-KS

  • KS B ISO 13919-1-2018 Welding — Electron and laser-beam welded joints — Guidance on quality levels for imperfections — Part 1: Steel

ESDU - Engineering Sciences Data Unit

  • ESDU 66010-1966 Elastic stresses in a long circular cylindrical shell with a flat head closure under uniform pressure.