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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 35023-2018 Methods to assess the reliability of hydraulic components

    China National - YD Standards
    GB/T 34542.2-2018 Storage and transportation systems for gaseous hydrogen—Part 2: Test methods for evaluating metallic material compatibility in hydrogen atmosphere

    China National - YD Standards
    GB/T 22140-2018 Code for field acceptance test of small hydro turbines

    China National - YD Standards
    GB/T 34542.3-2018 Storage and transportation systems for gaseous hydrogen?aPart 3: Test method for determination of the susceptibility of metallic materials to hydrogen gas embrittlement (HGE)

    China National - YD Standards
    GB/T 223.82-2018 Steel and iron—Determination of hydrogen content—Thermal conductivity/infrared method after fusion under inert gas

    China National - YD Standards
    GB/T 36488-2018 Determination of polycyclic aromatic hydrocarbons in coatings

    China National - YD Standards
    GB/T 638-2018 Chemical reagent—Stannous chloride dihydrate

    China National - YD Standards
    GB/T 17213.14-2018 Industrial-process control valves—Part 8-2: Noise considerations—Laboratory measurement of noise generated by hydrodynamic flow through control valves

    China National - YD Standards
    GB/T 3367.4-2018 Glossary of terms for diesel locomotive—Part 4:Hydraulic transmission system

    China National - YD Standards
    GB/T 36486-2018 NC hydraulic press

    China National - YD Standards
    GB/T 36520.2-2018 Hydraulic fluid power—Dimensions and tolerances of polyurethane seals—Part 2：Dimensions and tolerances of seals used in hydraulic reciprocating applications for piston rod

    China National - YD Standards
    GB/T 36520.1-2018 Hydraulic fluid power—Dimensions and tolerances of polyurethane seals—Part 1：Dimensions and tolerances of seals used in hydraulic reciprocating applications for piston

    China National - YD Standards
    GB/T 18844.2-2018 Plain bearings—Type, appearance and characterization，causes of damage to metallic hydrodynamic bearings—Part 2: Cavation erosion and its countermeasures

    China National - YD Standards
    GB/T 36703-2018 Hydraulic fluid power—Pressure switches—Mounting surfaces

    China National - YD Standards
    GB/T 36570-2018 Code of operation and maintenance of fire facilities for hydropower plant

    China National - YD Standards
    GB/T 20507-2018 Spherical nickel hydroxide

    China National - YD Standards
    GB 3445-2018 Indoor fire hydrant

    China National - YD Standards
    GB/T 36764-2018 Rubber compounding ingredients—Silica, precipitated, hydrated—Determination of heavy metal content by inductively coupled plasma atomic emission spectrometric method

    China National - YD Standards
    GB/T 36646-2018 Equipment for preparation of nitride semiconductor materials by hydride vapor phase epitaxy

    China National - YD Standards
    GB/T 36669.1-2018 In-service pressure vessel inspection—Part 1: Hydrogenation reactor

    China National - YD Standards
    GB/T 11060.3-2018 Natural gas─Determination of sulfur compound─Part 3:Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method

    China National - YD Standards
    GB/T 18844.1-2018 Plain bearings—Type, appearance and characterization，causes of damage to metallic hydrodynamic bearings—Part 1: General

    China National - YD Standards
    GB/T 36693-2018 Earth-moving machinery—Hydraulic excavator—Reliability test procedures,failure classification and evaluation

    China National - YD Standards
    GB/T 9139-2018 Earth-moving machinery—Hydraulic excavators—Technical specifications

    China National - YD Standards
    GB/T 36695-2018 Earth-moving machinery—Fuel consumption for hydraulic excavator—Test methods

    China National - YD Standards
    GB/T 35893-2018 Determination of aluminium zirconium chloride hydroxide complexes, aluminium zirconium chloride hydroxide glycine complexes and aluminum chlorohydrate as antiperspirant active ingredients in cosmetics

    China National - YD Standards
    GB/T 8243.5-2018 Methods of test for full-flow lubricating oil filters for internal combustion engines—Part 5: Test for cold start simulation and hydraulic pulse durability

    China National - YD Standards
    GB/T 35874-2018 Technical regulation for evaluation of sugarcane resistance to smut（Sporisorium scitaminea Syd.）

    China National - YD Standards
    GB/T 14837.3-2018 Rubber and rubber products—Determination of the composition of vulcanizates and uncured compounds by thermogravimetry—Part 3:Hydrocarbon rubbers，halogenated rubbers and polysiloxane rubbers after extraction

    China National - YD Standards
    GB/T 15623.1-2018 Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 1: Test methods for four-port directional flow-control valves

    China National - YD Standards

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