This standard specifies heavy-duty vehicle gear oil (GL-5) formulated with refined mineral oil, synthetic oil or a mixture of the two as the base oil and adding a variety of additives. The products specified in this standard are suitable for vehicle gears used under high-speed impact load, high-speed low-torque and low-speed high-torque conditions, especially hypoid gear drive axles for passenger cars and other various vehicles. They can also be used for manual transmissions. GB 13895-1992 Heavy-duty vehicle gear oil (GL-5) GB13895-1992 Standard download and decompression password: www.bzxz.net

National Standard of the People's Republic of China
Heavy duty gear oils for automobile (GL-5)
Heavy duty gear oils for automobile (GL-5)1 Subject content and scope of application
GB1389592|| tt||This standard specifies heavy-duty vehicle gear oil (GL-5) formulated with refined mineral oil, synthetic oil or a mixture of the two as the base oil and adding a variety of additives.
The products covered by this standard are suitable for vehicle gears used under high-speed impact loads, high-speed low torque and low-speed high torque operations, especially for thrust hypoid gear drive axles of passenger cars and other various vehicles. They can also be used for Manual transmission. According to the viscosity, it is divided into brands such as 75W.80W/90, 85W/90.85W/140.90 and 140. 2 Referenced standards
GB/T 260
Petroleum products moisture determination method
GB/T265 Petroleum products kinematic viscosity determination method and dynamic viscosity calculation method GB/T 387bZxz.net
GB /T 388
GB/T 511
GB/T 2433
GB/T 2541
GB/T 3535
Sulfur content of dark petroleum products Determination method (tube furnace method) Determination of sulfur content of petroleum products (oxygen bomb method) Determination of mechanical impurities in petroleum products and additives (gravimetric method) Additives and additive-containing lubricants Sulfate ash determination method Petroleum products viscosity index calculation table || tt||Petroleum pour point determination method
Determination of flash point and fire point of petroleum products (Cleveland open cup method) GB/T 3536
GB/T 4756
Petroleum and liquid petroleum products Sampling method (manual method) Petroleum products copper sheet corrosion test method
GB/T 5096
Determination of insoluble matter in used lubricating oil
GB/T 8926
GB/T 11140 | | tt | /T 12579
Method for determination of foam characteristics of lubricating oil
Method for determination of groove point of vehicle gear oil
SH/T 0030
Method for determination of storage solubility characteristics of gear oil|| tt | ) SH/T0270 Determination of calcium content of additives and lubricants containing additives SH/T0296 Determination of phosphorus content of additives and lubricants containing additives "Colorimetric method" SH/T0517 Vehicle gear oil rust assessment method (L-33 method) Vehicle Gear Oil Carrying Capacity Evaluation Method (L-37 Method) SH/T 0518
SH/T 0519
Vehicle Gear Oil Scratch Resistance Evaluation Method (L-42 Method) National Technical Supervision High 1992 -12-10 approved 1993-11-01 implementation
16
SH/T 0520
3 technical requirements
item
viscosity grade||tt ||GB 13895-
92
Vehicle gear oil thermal oxidation stability evaluation method (L-60 method) month
Kinematic viscosity (100).mm2/s||tt| |Pour point.
The temperature when the apparent viscosity reaches 15°Pa·s
C
Flash point (open),
Wetting point, C|| tt||Viscosity index
Foaming (foaming tendency).ml
24C
93.5℃
after 24℃
not higher than|| tt||not lower than
not higher than
not lower than
not greater than
not greater than
not greater than
corrosion test (Copper sheet, 121℃, 3h) + grade is not greater than mechanical impurities, %
moisture content, %
pithane insoluble matter, %
sulfate ash, %||tt| |Sulfur, %
Phosphorus, %
Nitrogen.%
Calcium, %
Storage stability 3)
Liquid precipitate, % (( V/V)
Solid sediment, % (m/m)
Corrosion test 3)
Cover plate corrosion area, %
Not greater than||tt ||Not greater than
Not greater than
Not greater than
Not greater than
The corrosion of tooth surface, bearings and other parts is not greater than
Anti-scratch test \
Isti
Quality indicators
75W80W/9085W/90|85W/140
≥4.1
Report
-40|| tt||150
45
13.5~
<24.0
report
-26
165
-35
Report
Report
13.5~
24.0
Report
-12
165
20
report
24.0~
41.0
report
12
180
20
report| |tt||20
50
20
3
0. 05
Traces
Report
Report| |tt||report
report
report
report
0.5
0. 25
1
Rust-free
Pass
90
13.5~
24. 0
Report
180
-17.8||tt| |75
140
24.0~
41.0
report
200
6. 7
75||tt ||Test methods
GB/T265
GB/T 3535
GB/T11145
GB/T3536
SH/ 0030
GB/T2541
GB/T 12579
GB/T 5096
GB/T511
GB/T 260
GB/T 8926A removal|| tt||GB/T2433
GB/T 387.GB/T 388
GE/T 11149
SH/T 0172**
SH/T 0296| |tt||SH/T0224
SH/T 02703
SH/T 0037
SH/T 0517
ISH/T 0519*
item
Loading capacity test”
Thermal oxidation stability
Mesh
100C kinematic viscosity increase, % is not greater than
Phuthane insoluble matter, %| | tt | Quantity
refers to
by
100
3
2
Note: 1) The production unit can choose the appropriate amount according to the different adding formulas method of determination. Mark
2) If there are other metals, the actual measurement results should be measured and reported, and atomic absorption spectrometry is allowed. 3) Guaranteed projects are evaluated every five years. Test method
SH/T 05185
SH/T 0520
GB/T 265
GB/T8926A method
GB/T8926A method||tt ||4) When conducting the scratch resistance test of 75W oil, program 1 (high speed) starts at 79°C, and program N (impact) starts at 93°C. Water spray cooling, the maximum temperature rise is not more than 5.5 ~ 8.3℃.
5) When carrying out the load-carrying capacity test of 75W oil, the high-speed and low-torque test is performed at 104℃, and the low-speed and high-torque test is performed at 93℃. 4 Marking, packaging, transportation, purchase and storage
Marking, packaging, transportation, storage and delivery acceptance shall be carried out in accordance with SH0164. 5 Sampling
Sampling shall be carried out in accordance with GB/T4756, and 3L shall be taken for inspection and retention. Additional notes:
This standard is proposed by China Petrochemical Corporation. This standard is under the technical jurisdiction of the Petrochemical Science Research Institute. This standard was drafted by the Research Institute of Sinopec Maoming Petrochemical Company. The main drafter of this standard is Zhang Yilong.
This standard is formulated with reference to the US military standards MIL-L-2105B and MIL-L-2105D. 167
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