Hydraulic fluids of L-HL, L-HM, L-HV, L-HS and L-HG type
WARNING: The production, handling and use of products as specified in this standard may be hazardous, if suitable precautions are not observed. This standard does not purport to address all of the safety problems associated with the product. It is the responsibility of the user of this standard to establish appropriate safety and protective practices and determine the applicability of regulatory limitations prior to use.
1 Scope
This standard specifies the classification and labeling, requirements and test methods, inspection rules, and marking, packaging, transportation and storage of hydraulic fluids of L-HL, L-HM (high-pressure), L-HM (general), L-HV, L-HS and L-HG type.
This standard is applicable to hydraulic fluids intended for hydrostatic hydraulic systems.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 260 Petroleum products - Determination of water
GB/T 261 Determination of flash point - Pensky-Martens closed cup method
GB/T 264 Petroleum products - Determination of acid number
GB/T 265 Petroleum products - Determination of kinematic viscosity and calculation of dynamic viscosity
GB/T 511 Petroleum products and additives - Determination of mechanical impurities - Gravimetric method
GB/T 1884 Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method
GB/T 1885 Petroleum measurement tables
GB/T 1995 Petroleum products - Calculation of viscosity index
GB/T 2433 Petroleum products - Lubricating oils and additives - Determination of sulphated ash
GB/T 2541 Petroleum products - Computation table for viscosity indices
GB/T 3141 Industrial liquid lubricants - ISO viscosity classification
GB/T 3535 Petroleum products - Determination of pour point
GB/T 3536 Petroleum products - Determination of flash and fire points - Cleveland open cup method
GB/T 4756 Petroleum liquids - Manual sampling
GB/T 4945 Standard test method for acid and base number of petroleum products and lubricants by colour-indicator titration
GB/T 5096 Petroleum products - Corrosiveness to copper - Copper strip test
GB/T 6540 Petroleum products - Determination of colour
GB/T 7304 Petroleum products and lubricants - Determination of acid number - Potentiometric titration method
GB/T 7305 Standard test method for water separability of petroleum oils and synthetic fluids
GB/T 7631.2 Lubricants, industrial oils and related products (class L) - Classification - Part 2: Family H (hydraulic systems)
GB/T 8021 Petroleum products - Determination of saponification number
GB/T 11133 Liquid petroleum products - Determination of water - Karl Fischer reagent method
GB/T 11143 Standard test method for rust-preventing characteristics of inhibited mineral oil in the presence of water
GB/T 12579 Determination of foaming characteristics of lubricating oils
GB/T 12581 Standard test method for oxidation characteristics of inhibited mineral oils
GB/T 14039 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles
DL/T 432 Determination of particulate contamination in oil
SH/T 0103 Standard test method for shear stability of polymer containing fluids using an European diesel injector apparatus
SH 0164 Rules for packaging, storage, transportation and delivery of petroleum products
SH/T 0189 Determination of anti-wear performance of lubricating oil (four-ball machine method)
SH/T 0209 Determination of thermal stability of hydraulic oil
SH/T 0210 Filterability test method of hydraulic oil
SH/T 0301 Determination of hydrolysis stability of hydraulic fluid (glass bottle method)
SH/T 0305 Method for determination of seal compatibility index of petroleum products
SH/T 0306 Lubricant bearing capacity test method (CL-100 gear machine method)
SH/T 0307 Determination of wear characteristics of petroleum-based hydraulic oil (vane pump method)
SH/T 0308 Method for determination of air release value of lubricating oil
SH/T 0361 Slide ways oil
SH/T 0565 Standard test method for determination of the sludging tendencies of inhibited mineral oils
SH/T 0604 Crude petroleum and petroleum products - Determination of density - Oscillating U-tube method
SAE J 745 Hydraulic power pump test procedure
NAS 1638 Cleanliness requirements of parts used in hydraulic systems
3 Classification and labeling
3.1 Product classification
According to GB/T 7631.2, this standard classifies hydraulic fluids into five categories: L-HL anti-oxidation and anti-rust hydraulic fluids, L-HM anti-wear hydraulic fluids (high-pressure and general), L-HV low-temperature hydraulic fluids, L-HS ultra-low temperature hydraulic fluids, and L-HG hydraulic slide ways fluids.
3.2 Product labeling
Hydraulic fluids are labeled as:
Category code Viscosity grade Product name Standard No.
Example: L-HL 46 Anti-oxidation and anti-rust hydraulic fluids GB 11118.1;
L-HM 46 Anti-wear hydraulic fluids (high-pressure) GB 11118.1;
L-HM 46 Anti-wear hydraulic fluids (general) GB 11118.1;
L-HV 46 Low-temperature hydraulic fluids GB 11118.1;
L-HS 46 Ultra-low temperature hydraulic fluids GB 11118.1;
L-HG 46 Hydraulic slide ways fluids GB 11118.1.
4 Requirements and test methods
The technical requirements and test methods for each category of hydraulic fluids are shown in Tables 1 to 5 respectively.
Foreword II
1 Scope
2 Normative references
3 Classification and labeling
3.1 Product classification
3.2 Product labeling
4 Requirements and test methods
5 Inspection rules
5.1 Inspection classification and items
5.1.1 End-of-manufacturing inspection
5.1.2 Type inspection
5.2 Batching
5.3 Sampling
5.4 Judgment rules
5.5 Re-inspection rules
6 Marking, packaging, transportation and storage
Annex A (Normative) Evaluation of hydraulic fluids performance - T6H20C double pump test method
A.1 Scope
A.2 Method summary
A.3 Test apparatus
A.4 Description of test stages
A.4.1 Stage I
A.4.2 Stage II
A.4.3 Steps for adding water
A.4.4 Fluid-water separation
A.5 Test preparation
A.6 Break-in procedure
A.7 Test procedure
A.8 Test measurement
A.9 Test result analysis
A.9.1 Vane pump
A.9.2 Piston pump
A.9.3 Measurement values and graphs
A.10 Reference fluid test
Annex B (Informative) Main differences between this standard and GB 11118.1-1994
Hydraulic fluids of L-HL, L-HM, L-HV, L-HS and L-HG type
WARNING: The production, handling and use of products as specified in this standard may be hazardous, if suitable precautions are not observed. This standard does not purport to address all of the safety problems associated with the product. It is the responsibility of the user of this standard to establish appropriate safety and protective practices and determine the applicability of regulatory limitations prior to use.
1 Scope
This standard specifies the classification and labeling, requirements and test methods, inspection rules, and marking, packaging, transportation and storage of hydraulic fluids of L-HL, L-HM (high-pressure), L-HM (general), L-HV, L-HS and L-HG type.
This standard is applicable to hydraulic fluids intended for hydrostatic hydraulic systems.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 260 Petroleum products - Determination of water
GB/T 261 Determination of flash point - Pensky-Martens closed cup method
GB/T 264 Petroleum products - Determination of acid number
GB/T 265 Petroleum products - Determination of kinematic viscosity and calculation of dynamic viscosity
GB/T 511 Petroleum products and additives - Determination of mechanical impurities - Gravimetric method
GB/T 1884 Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method
GB/T 1885 Petroleum measurement tables
GB/T 1995 Petroleum products - Calculation of viscosity index
GB/T 2433 Petroleum products - Lubricating oils and additives - Determination of sulphated ash
GB/T 2541 Petroleum products - Computation table for viscosity indices
GB/T 3141 Industrial liquid lubricants - ISO viscosity classification
GB/T 3535 Petroleum products - Determination of pour point
GB/T 3536 Petroleum products - Determination of flash and fire points - Cleveland open cup method
GB/T 4756 Petroleum liquids - Manual sampling
GB/T 4945 Standard test method for acid and base number of petroleum products and lubricants by colour-indicator titration
GB/T 5096 Petroleum products - Corrosiveness to copper - Copper strip test
GB/T 6540 Petroleum products - Determination of colour
GB/T 7304 Petroleum products and lubricants - Determination of acid number - Potentiometric titration method
GB/T 7305 Standard test method for water separability of petroleum oils and synthetic fluids
GB/T 7631.2 Lubricants, industrial oils and related products (class L) - Classification - Part 2: Family H (hydraulic systems)
GB/T 8021 Petroleum products - Determination of saponification number
GB/T 11133 Liquid petroleum products - Determination of water - Karl Fischer reagent method
GB/T 11143 Standard test method for rust-preventing characteristics of inhibited mineral oil in the presence of water
GB/T 12579 Determination of foaming characteristics of lubricating oils
GB/T 12581 Standard test method for oxidation characteristics of inhibited mineral oils
GB/T 14039 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles
DL/T 432 Determination of particulate contamination in oil
SH/T 0103 Standard test method for shear stability of polymer containing fluids using an European diesel injector apparatus
SH 0164 Rules for packaging, storage, transportation and delivery of petroleum products
SH/T 0189 Determination of anti-wear performance of lubricating oil (four-ball machine method)
SH/T 0209 Determination of thermal stability of hydraulic oil
SH/T 0210 Filterability test method of hydraulic oil
SH/T 0301 Determination of hydrolysis stability of hydraulic fluid (glass bottle method)
SH/T 0305 Method for determination of seal compatibility index of petroleum products
SH/T 0306 Lubricant bearing capacity test method (CL-100 gear machine method)
SH/T 0307 Determination of wear characteristics of petroleum-based hydraulic oil (vane pump method)
SH/T 0308 Method for determination of air release value of lubricating oil
SH/T 0361 Slide ways oil
SH/T 0565 Standard test method for determination of the sludging tendencies of inhibited mineral oils
SH/T 0604 Crude petroleum and petroleum products - Determination of density - Oscillating U-tube method
SAE J 745 Hydraulic power pump test procedure
NAS 1638 Cleanliness requirements of parts used in hydraulic systems
3 Classification and labeling
3.1 Product classification
According to GB/T 7631.2, this standard classifies hydraulic fluids into five categories: L-HL anti-oxidation and anti-rust hydraulic fluids, L-HM anti-wear hydraulic fluids (high-pressure and general), L-HV low-temperature hydraulic fluids, L-HS ultra-low temperature hydraulic fluids, and L-HG hydraulic slide ways fluids.
3.2 Product labeling
Hydraulic fluids are labeled as:
Category code Viscosity grade Product name Standard No.
Example: L-HL 46 Anti-oxidation and anti-rust hydraulic fluids GB 11118.1;
L-HM 46 Anti-wear hydraulic fluids (high-pressure) GB 11118.1;
L-HM 46 Anti-wear hydraulic fluids (general) GB 11118.1;
L-HV 46 Low-temperature hydraulic fluids GB 11118.1;
L-HS 46 Ultra-low temperature hydraulic fluids GB 11118.1;
L-HG 46 Hydraulic slide ways fluids GB 11118.1.
4 Requirements and test methods
The technical requirements and test methods for each category of hydraulic fluids are shown in Tables 1 to 5 respectively.
Contents of GB 11118.1-2011
Foreword II
1 Scope
2 Normative references
3 Classification and labeling
3.1 Product classification
3.2 Product labeling
4 Requirements and test methods
5 Inspection rules
5.1 Inspection classification and items
5.1.1 End-of-manufacturing inspection
5.1.2 Type inspection
5.2 Batching
5.3 Sampling
5.4 Judgment rules
5.5 Re-inspection rules
6 Marking, packaging, transportation and storage
Annex A (Normative) Evaluation of hydraulic fluids performance - T6H20C double pump test method
A.1 Scope
A.2 Method summary
A.3 Test apparatus
A.4 Description of test stages
A.4.1 Stage I
A.4.2 Stage II
A.4.3 Steps for adding water
A.4.4 Fluid-water separation
A.5 Test preparation
A.6 Break-in procedure
A.7 Test procedure
A.8 Test measurement
A.9 Test result analysis
A.9.1 Vane pump
A.9.2 Piston pump
A.9.3 Measurement values and graphs
A.10 Reference fluid test
Annex B (Informative) Main differences between this standard and GB 11118.1-1994
