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Std ID |
Description (Standard Title) |
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GB/T 18324-2025
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Plain bearings - Copper alloy bushes - Dimensions and tolerances
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GB/T 18325.1-2025
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Plain bearings - Bearing fatigue - Part 1: Plain bearings in test rigs and in applications under conditions of hydrodynamic lubrication
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GB/T 21466.1-2025
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Plain bearing - Hydrodynamic plain journal circular cylindrical bearings under steady-state conditions - Part 1: Calculation procedure
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GB/T 21466.2-2025
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Plain bearing - Hydrodynamic plain journal circular cylindrical bearings under steady-state conditions - Part 2: Functions used in the calculation procedure
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GB/T 21466.3-2025
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Plain bearing - Hydrodynamic plain journal circular cylindrical bearings under steady-state conditions - Part 3: Permissible operational parameters
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GB/T 46635.1-2025
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Plain bearings - Automotive engine bearing test rig using actual connecting rods - Part 1: Test rig
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GB/T 46657-2025
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Plain bearings - Fluid film bearing materials for vehicular turbocharger
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GB/T 2673.1-2025
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Fasteners - Hexalobular socket screws - Part 1: Countersunk flat head screws with reduced loadability
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GB/T 3098.2-2025
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Mechanical properties of fasteners - Part 2: Nuts
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GB/T 3098.5-2025
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Mechanical properties of fasteners - Part 5: Tapping screws
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GB/T 31.2-2025
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Fasteners - Hexagon head bolts with split pin hole on shank - Part 2: Reduced shank - Product grade B
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GB/T 31.3-2025
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Fasteners - Hexagon head bolts with split pin hole on shank - Part 3: Fine pitch thread
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GB/T 5780-2025
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Fasteners - Hexagon head bolts - Product grade C
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GB/T 5781-2025
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Fasteners - Hexagon head bolts - Full thread - Product grade C
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GB/T 5782-2025
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Fasteners - Hexagon head bolts
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GB/T 5783-2025
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Fasteners - Hexagon head bolts - Full thread
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GB/T 5784-2025
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Fasteners - Hexagon head bolts - Reduced shank - Product grade B
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GB/T 5785-2025
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Fasteners - Hexagon head bolts - Fine pitch thread
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GB/T 70.2-2025
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Fasteners - Hexagon socket screws - Part 2: Hexagon socket button head screws with reduced loadability
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GB/T 70.4-2025
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Fasteners - Hexagon socket screw - Part 4: Hexagon socket button head screws with collar and reduced loadability
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GB/T 859-2025
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Fasteners - Single coil spring lock washers - Light type
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GB/T 93-2025
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Fasteners - Single coil spring lock washers - Normal type
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GB/T 12459-2025
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Steel buttwelding piping fittings - Types and parameters
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GB/T 13401-2025
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Steel buttwelding piping fittings - Technical specification
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GB/T 46627-2025
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Standard test methods for sealability of gaskets at elevated temperature for pipe flanges
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GB/T 12221-2025
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Metal valves - Face to face, end to end, centre to face and centre to end dimensions
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GB/T 12226-2025
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General purpose industrial valves - Technical specification for gray iron castings
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GB/T 12227-2025
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General purpose industrial valves - Technical specification for ductile iron castings
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GB/T 12228-2025
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General purpose industrial valves - Technical specification for carbon steel forgings
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GB/T 12229-2025
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General purpose Industrial valves - Technical specification for carbon steel castings
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GB/T 12232-2025
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General purpose industrial valves - Flanged iron gate valves
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GB/T 12233-2025
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General purpose industrial valves - Casting iron globe valves and lift check valves
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GB/T 3207-2025
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Bright steel
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GB/T 11251-2025
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Alloy structural steel plate, sheet and strip
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GB/T 46598-2025
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Steel plate, sheet and strip for gaseous hydrogen transportation and storage pipeline
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GB/T 714-2025
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Structural steel for bridge
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GB/T 46437-2025
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Plastic-dipped composite steel pipes for industrial piping
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GB/T 46439-2025
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Seamless stainless steel pipes for hydrogen powered vehicle piping
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GB/T 46599-2025
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Steel pipe for gaseous hydrogen storage and transportation pipeline
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GB/T 2104-2025
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General rules of packing, marking and quality certificate for steel wire ropes
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GB/T 24595-2025
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Hot-rolled steel bars for quenched and tempered crankshafts
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GB/T 26045-2025
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Lead alloys ingot for accumulator cell slab lattice
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GB/T 8891-2025
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Copper and copper alloy tube for heat radiator
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GB/T 12769-2025
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Titanium-clad copper bar
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GB/T 29914-2025
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Oxidation catalyst for diesel vehicle exhaust purification
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GB/T 5159-2025
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Metallic powders, excluding powders for hardmetals - Determination of dimensional changes associated with compacting and sintering
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GB/T 30858-2025
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Polished mono-crystalline sapphire substrate wafer
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GB/T 15547-2025
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Blanks of forged steel rolls for cold rolling mill
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GB/T 18182-2025
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Acoustic emission examination and evaluation of metallic pressure vessels
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GB/T 46623-2025
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Additive manufacturing of metals - Orientation and location dependence ofmechanical properties for finished parts
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GB/T 18759.2-2025
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Electrical equipment of machines - Open numerical control system - Part 2: System architecture
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GB/T 19436.1-2025
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Electrical safety of machinery - Electro-sensitive protective equipment - Part 1: General requirements and tests
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GB/T 19436.2-2025
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Electrical safety of machinery - Electro-sensitive protective equipment - Part 2: Particular requirements for equipment using active opto-electronic protective devices (AOPDs)
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GB/T 19673.1-2025
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Rolling bearings - Accessories for sleeve type linear ball bearings - Part 1: Boundary dimensions，geometrical product specifications (GPS) and tolerances for series 1 and 3
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GB/T 19673.2-2025
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Rolling bearings - Accessories for sleeve type linear ball bearings - Part 2: Boundary dimensions, geometrical product specifications
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GB/T 25767-2025
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Rolling bearings - Tapered rollers
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GB/T 27556-2025
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Rolling bearings - Radial bearings, retaining slots - Dimensions, geometrical product specifications (GPS) and tolerance values
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GB/T 4605-2025
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Rolling bearings - Thrust needle roller and cage assemblies, thrust washers
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GB/T 4662-2025
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Rolling bearings - Static load ratings
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GB/T 5868-2025
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Rolling bearings - Mounting dimensions
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GB/T 10445-2025
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Plain bearings - Shaft diameters for unsplit bushes
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GB/T 12235-2025
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Steel globe valves and lift check valve for petroleum, petrochemical and allied industries
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GB/T 12236-2025
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Steel swing check valve for petroleum, petrochemical and allied industries
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GB/T 12245-2025
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Methods of performance test for pressure reducing valves
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GB/T 12246-2025
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Pilot operated pressure reducing valves
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GB/T 20910-2025
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Temperature and pressure safety valve for hot water supply system
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GB/T 21385-2025
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Metal-seated ball valve
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GB/T 21387-2025
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Axial flow check valve for water supply system
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GB/T 10225-2025
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Accuracy of fine-pitch bevel gears
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GB/T 11366-2025
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Basic terminology of planetary drives
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GB/T 12370-2025
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Bevel and hypoid gears - Terminology
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GB/T 16848-2025
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Accuracy of hourglass worms and worm gears
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GB/T 19936.3-2025
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Gears - FZG test procedures - Part 3: FZG test method A/2.8/50 for relative scuffing load-carrying capacity and wear characteristics of semifluid gear greases
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GB/T 46653-2025
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Test method for vertical mounted gear transmission device
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GB/T 6443-2025
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Information of dimensional data and other requirements given on the drawing for cylindrcal involute gears
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GB/T 10412-2025
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Belt drives - Grooved pulleys for classical and narrow V-belts (system based on datum width)
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GB/T 10413-2025
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Belt drives - Grooved pulleys for narrow V-belts(system based on effective width)
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GB/T 11355-2025
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V-belt and V-ribbed belt drives - Calculation of power ratings
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GB/T 13487-2025
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Synchronous belt drives - Synchronous belts for general drive
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GB/T 20736-2025
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Fatigue test method for transmission precision roller chains and leaf chains
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GB/T 46597-2025
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Belt drives - Grooved pulleys for joined classical V-belts - Groove sections AJ, BJ, CJ, DJ and EJ (effective system)
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GB/T 6074-2025
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Leaf chains, clevises and sheaves - Dimensions, measuring forces, tensile strengths and dynamic strengths
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GB/T 14038-2025
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Connections for pneumatic fluid power - Ports and stud ends
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GB/T 46622.1-2025
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Hydraulic fluid power - Mounting dimensions of screw-in cartridge valves - Part 1: Metric threads
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GB/T 25748-2025
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Die casting magnesium alloys
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GB/T 46654-2025
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Radiographic testing for titanium alloy castings - Defect levels
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GB/T 46786-2025
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Metallographic test for zinc alloy die castings
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GB/T 26951-2025
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Non-destructive testing of welds - Magnetic particle testing
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GB/T 26952-2025
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Non-destructive testing of welds - Magnetic particle testing - Acceptance levels
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GB/T 26953-2025
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Non-destructive testing of welds - Penetrant testing - Acceptance levels
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GB/T 10944.3-2025
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Tool shanks with 7/24 taper for automatic tool changers - Part 3: Retention knobs of forms AD, AF, UD, UF, JD and JF
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GB/T 16770.1-2025
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Solid hardmetal end mills with parallel shank - Part 1: Type and dimensions
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GB/T 20331-2025
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Machine taper 1∶50 pin reamers with parallel shanks
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GB/T 20332-2025
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Machine taper 1: 50 pin reamers with Morse taper shanks
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GB/T 2075-2025
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Classification and application of hard cutting materials for metal removal with defined cutting edges - Designation of the main groups and groups of application
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GB/T 28253-2025
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Thread forming tap
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GB/T 3464-2025
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Machine and hand taps
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GB/T 46624.1-2025
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Medium-transfer units for tool interfaces - Part 1: Transfer units for hollow taper shanks in accordance with the GB/T 19449 series
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GB/T 6120-2025
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Metal slitting saw
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GB/T 10922-2025
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Gauges for pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
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