Some standard content:
National Standard of the People's Republic of China
Terms of carbon materials
The terms of carbon materialsUDC 621. 315. 56
GB 8718—88
This standard applies to terms related to carbon materials and their test methods. It is also used for compiling technical documents, writing and translating professional manuals, teaching materials, books and other standard documents and materials. Carbon material source terminology part
No.Term name
[Petroleum
1.3 Delayed coke
1.4 Fluidized coke
1.5 Coal tar coke
1.6 Needle coke
1.7 Green coke
Burned coke
Graphitized coke
English name
petroleum
The solid carbonization product of the high-boiling point hydrocarbon fraction (heavy residual oil) obtained in petroleum processing. It is a general term for all specific petroleum coke products, such as green coke, burnt coke, needle coke
metallurgical
delayed coke
fluid coke
high-strength macroporous carbon material produced by carbonizing coal or coal mixtures at temperatures up to 1400K
solid carbonization products produced when high-boiling hydrocarbon fractions (heavy residual oil after processing petroleum or coal) are treated by delayed coking
solid carbonization products produced when high-boiling hydrocarbon fractions (heavy residual oil after processing petroleum or coal) are treated by fluid coking
solid carbonization products obtained by high-temperature coking or delayed coking of coal tar pitch
pitch coke
needle coke
green coke
calcined coke
graphitized
A special type of coke with highly parallel layer structure and excellent graphitization performance
A solid carbonization product obtained from high boiling point hydrocarbon fractions below 900K, containing 6% to 12% volatile matter
Petroleum coke or coal tar coke with a hydrogen content of less than 0.1%. It is a graphitized coke obtained by heat treatment of raw coke at about 1600K
The Ministry of Metallurgical Industry of the People's Republic of China approved 12
Permitted to use
Synonyms of "Synonyms of
Moved coke
Implemented on March 1, 1989
No.Term name
English name
1.10 Smokeless burning
calci ned
1.11 Natural graphite
1.12 Binder
anthracite
natural
graphite
binder
Terminology of carbon products
Term name
Carbon material
Carbon material
Graphite material
Graphite electrode
English name
GB 8718—88
Anthracite obtained by heat treatment at about 1600K is a mineral composed of graphite carbon, but its crystal integrity is considered.
When preparing paste, it is used to bind coke or other aggregates and materials that can be carbonized after roasting. Carbon material binders are generally coal tar, resin, etc.
Solid materials mainly composed of carbon elements (usually carbon and hydrogen atoms)!
carbon
element
carbon
material
graphite
material
graphite
electrode
high power stone highpower
ink electrode
graphite
electrode
ultra-high powerultra high
graphite electrode
ratio greater than 10)
Material basically composed of non-graphite carbonMaterial basically composed of graphite carbonUsing high-quality petroleum coke and pitch coke as the main raw materials, it is made through molding, roasting, graphitization and processing, and is mainly used as a conductive electrode for electric arc furnace
Using high-quality petroleum coke and asphalt coke as the main raw materials, using a graphite electrode with a current density of 18~25A/cm
Using needle coke as the raw material, using a graphite electrode with a current density greater than 25A/cm
power graph-?
ite electrode
oxidation-
layer graphite electroderesistant
2.8graphite block
coated
graphite
electrode
graphite block
Graphite electrode with surface coating and anti-oxidation protection layer is a block of graphite material with a certain geometric shape
Allow use to stop using
Synonyms
No smoke at the back
Allow use to stop using
Synonyms
Carbon materialCarbon material
Graphitized electrode
High power stone
Graphitized electrode
Ultra-high power
Graphitized electrode
Coated electrode
Term name
Graphite anode
English name
graphite
GB8718--88
It is made of petroleum coke and pitch coke as the main raw materials, through molding, roasting, diffusion, graphitization and processing, and is used as a conductive anode in electrolysis
cathode for aluminum electrolysis
Car-
bond made of high-quality anthracite, coke, graphite, etc. carbon blockfor electric
arc furnace
2.12 carbon block for blast furnace
2.13 self-baking carbon block
electric material
carbon block made of high-quality anthracite, coke, graphite, etc., used as lining and conductor for ferroalloy furnace, calcium carbide furnace, etc. block
Block, used as the lining of iron-making blast furnace
Using high-temperature treated anthracite, coke, and graphite as raw materials, after molding, using the heat generated by the baking furnace and production to self-bake into carbon blocks
2.14 Self-baking
Self-baking carbon blocks used to build the bottom and hearth of iron-making blast furnace
carbon block
for blast
furnace
2.15 Self-baking
Carbide fur-
self-baking
2.16 Ferroalloy furnace 9
Self-baking carbon blocks
carbon block
for ferroalloy
furnace
2.17carbon anode
2.18carbon resistor rod
2.19Anode paste
carbon anode
Icarbon resistor rods
anode paste
Self-baked carbon blocks for building calcium carbide furnaces
Self-baked carbon blocks for building ferroalloy furnaces
Made from petroleum coke or pitch coke as the main raw materials, after molding and baking, mainly used as anodes of aluminum electrolytic cellsResistor rods made from pitch coke as the raw material, after molding, baking and processing, used as heating elements of resistance furnacesPaste made from petroleum coke and pitch coke as the main raw materials, used for continuous self-baking anodes of aluminum electrolysis
「Stop using| |tt||Synonyms of
Graphitized anode
Blast furnace carbon brick
No.|Term name
2.20 Electrode paste
2.21 Sealed paste
2.22 Coarse seam paste
2.23 Fine seam paste
English name
electrode
electrode
paste for
closed
furnace
carbon
stamping
carbon
cement paste
GB 8718-88
Paste made of high-quality anthracite and coke as main raw materials, used for self-baking electrodes of open submerged arc furnaces. With high-quality anthracite, coke and graphite as main raw materials, used as self-baking electrodes of closed submerged arc furnaces
With anthracite, coke and graphite as main raw materials, used as the carbon ramming layer at the bottom of the furnace, and the paste with a gap greater than 40 mm between the carbon block and the furnace shell
Made of coke powder and graphite powder as main raw materials and coal tar and coal tar as binder, used to fill the gap less than 2 mm between the carbon blocks in blast furnaces 2.24 Fine-grained stone
Using coke particles and fine powder with a particle size less than 100um as the aggregatefine
grained
graphite
2.25 Coarse-grained stone
coarse grain-
ed graphite
2.26 Artificial graphite made of cold-pressed stone
Artificial graphite made of coke particles and fine powder with a particle size greater than 100μm as the aggregate
moldedArtificial graphite graphite molded at room temperature
2.27 Isostatic stone
isostatic pre-
ssing formed
graphite
2.28High purity graphite
2.29High density graphite
2.30High strength graphite
2.31Nuclear graphite
high pure
graphite
Artificial graphite formed by isostatic pressing
Artificial graphite with a carbon content higher than 99.995%
density|Artificial graphite with a bulk density greater than 1.80g/cm3high
graphite
high strength|Compressive strength greater than 9.81×10°Pa or flexural strengthgraphite
nuclear
graphite
2.32Spectral pure stone
spectroscopic-
ally pure
graphite
2.33pyrolytic carbon
pyrolytic
carbon
artificial graphite greater than 4.91×10°Pa
a kind of high-purity graphite with a neutron absorption cross section less than 400Pa used in atomic reactor cores
a general term for spectrally pure graphite electrodes and spectrally pure graphite powder (impurities less than 10ppm) used in spectral analysis, etc., which are volatile hydrocarbon compounds Carbon obtained by chemical vapor deposition on a suitable substrate (carbon material, metal or ceramic) at a temperature of 1000-2100K
Synonyms of permitted use and discontinued use
No.Term name
2.34Pyrolytic graphite
English name
pyrolytic
graphite
2.35Carbon/carbon composite carbon/car-
GB 8718-88
Graphite obtained by graphitization heat treatment of pyrolytic carbon or by chemical deposition at a temperature above 2100K Composite material with carbon fiber (or graphite fiber) or its fabric as the matrix, resin carbon, pitch carbon, pyrolytic carbon, etc. as the matrix
2.36 Glassy carbon
2.37 Carbon fiber
vitreous
carbon
carbon fiber
carbon fiber
has a highly isotropic structure, has a very low permeability to liquids and gases, and its surface and cross-section are glassy and difficult to graphitize
Fiber-like material with a carbon content of not less than 93%2.38 High strength carbon high strength
Carbon fiber with a tensile strength of not less than 3.43×10°Pa
carbon fiber
2.39 High modulus carbon high modulus
Carbon fiber with tensile modulus not less than 3.92×10Pa
carbon fiber
2.40Nipple pin
2.41Binder coke
2.42Aggregate coke
2.43Graphite fragments
nipple pin
binder coke
filler cokebzxZ.net
When using graphite electrodes in an arc furnace, in order to prevent the electrodes from loosening and tripping, a carbon rod inserted through a hole drilled in the outer wall of the joint hole or in the seam
A component of artificial carbon products generated by carbonization of carbonaceous binders during roasting
The main component of artificial carbon products. It enters the "carbon mixture" as a solid component (mainly carbon particles), and after heat treatment, multi-particle carbon and graphite material fragments with different particle sizes are obtained
graphite scrap:
3 Technical conditions and terms part
Term name
Surface crack
English name
defect
crack on
surface
Cracks, holes, missing blocks, missing corners, missing edges, depressions, protrusions, local looseness, etc. of carbon products are collectively referred to as defects. The length of the narrow gap is much greater than the width
Crack on the surface of the product
Synonyms of allowed use and discontinued use
Synonyms||tt ||Allowed to use
Synonyms
Term name
Internal crack
Transverse crack
Longitudinal crack
Crack width
Crack length
3.10 Delamination
3.11 Hole
3.12 Inclusion
3.13 Deformation
3.14 Protrusion
3.15 Distortion
3.16 Local looseness
3.17 chipping
English name
internal crack
transverse
longitudinal
crack across
the edge
GB 8718-88
crack inside the product
crack with a basic direction perpendicular to the axis of the productCrack with a basic direction parallel to the axis of the productCrack extending from one side of the product across the ridge to the other side
width of the crackThe maximum distance between the walls on both sides of the crack
[length of the|
length between the starting and ending points along the crack
Icrack
delamination
foreign
matter
deformation
convexity
torsion
loose spot
chip off-fall-
The flat and extended gap inside the product and the bad material. A kind of void in the product and the bad material, whose characteristic linear dimensions in all directions are greater than a certain specified value and the difference between the linear dimensions is not very large
Other materials that should not be contained in carbon materials
The shape of the product and the bad material does not meet the geometric shape specified in the relevant standards or technical conditions
The part of the product and the bad material that is locally higher than the contour surface (or curved surface)
The bulge or depression on the charcoal block masonry surface. A defect that can be detected in the product. In the defect area, the volume density of the material is significantly reduced
The local shedding of the product surface due to mechanical processing or collision damage
Lowspot on the electrode surface
The surface
of the electrode after external cylindrical processing is not affected by turning black skin
the surface
of electrode
Parts treated
Permitted to use
Synonyms of
No.Term name
3.19 Surface cut
3.20 Oxidation
3.21 Coating thickness
3.22 Corner cut
3.23 Corner cut depth
3.24 Edge cut
3.25 Edge cut depth
3.26 Edge cut length
3.27 Depression
3.28 Depth of depression
3.29 End face clearance
3.30 Screw hole for joint
3.31 Paste
English name
cutting scar
on the sur-
oxidation
thickness of
the coating
vertex
damage
depth of the
damaged
vertex
edge damage
GB 8718—88
The marks left on the surface of the product during machiningThe chemical reaction between carbon and oxygen caused by the contact of the product and the bad material with air, water vapor or other oxidizing media in a hot state
Anti-oxidation coatingThe thickness of the protective layer coated on the surface of the graphite electrode
The incomplete state presented by the damaged part of the corner of the product after it falls off
The vertical distance from the top of the missing corner cone to the damaged surfaceThe incomplete state presented by the damaged part at the junction of two adjacent surfaces of the product after it falls off
depth of the maximum distance from the intersection of the two surfaces at the missing edge to the damaged surfacedamage edge
length of the|The length of the intersection of two surfaces at the damaged edge
concavity
depth of con-
cavity
The part of the product surface that is locally lower than the contour plane (or curved surface)
The maximum distance from the bottom of the concave to the contour surface [gap between]?
The gap between the two end surfaces at the connection of the two electrodes end
surface
connecting
socket
A socket hole with internal threads at the center of the electrode end surface for connecting the joint
Material made of carbonaceous aggregate, binder, etc., which is heated and mixed and has plasticity within a certain temperature range
Permitted to use
Synonyms of synonyms
No.Term name
3.32Horizontal seam
3.33Vertical seam
3.34Stagger
3.35Working surface
3.36Non-working surface
3.37Adjusting block
English name
GB 871888
Masonry gap between upper and lower layers of blast furnace carbon blocks
horizontal lap
vertical lap
stagger
working
surface
non-working
surface
Masonry gap between adjacent carbon blocks on the same layer
Dislocation due to processing deviation of carbon blocks during pre-assembly of blast furnace carbon blocks
Carbon block end surface near the furnace
Carbon block end surface near the furnace shell
Carbon block width dimension is not limited by the drawing requirements for the
adjustment
3.38Axis deviation
The distance difference between the axes of the two electrodes at the connection
of electrodes
4 Terminology for chemical analysis and physical examination Part
No. Term Name
Oxidizability
Alkali-resist-
Specific
Electrical
resistance
damage
coefficient
porosity
porosity by
closed pore
Oxidation weight loss of carbon materials, especially carbon blocks and graphite electrodes, measured in air according to specified methods
Degree of damage of carbon blocks in alkaline media measured according to specified methods
A property that expresses the resistance of a material to the passage of electric current. It is numerically equal to the resistivity of a conductor with a length of 1m and a cross-sectional area of 1m, expressed as β, and the unit is Q·m
The ratio of the electrolytic Kp
mass volume of the cathode carbon block immersed in the sample after the electrolysis test to the original total pore volume of the sample, expressed as Kp
The percentage of the total pore volume in the product and raw materials to the total volume. The pores in the product that cannot be invaded by the medium used for density determination during density determination are called closed pores, expressed as a percentage
Allowed to be used or discontinued
Synonyms of synonyms
Free end
Non-free end
Free brick
Permitted to use
Synonyms of synonyms
Specific resistance
No.Term name
4.7Porosity
Thermal conductivity
True density
4.10Volume density
Softening point
4.12Bending
4.13Baking test
4.14 Baking strength
Additional remarks:
English name
porosity by
open pore
GB 8718 - 88
Porosity in products that can be penetrated by the medium used for density determination during density determination is called open pore, expressed as a percentage coefficient of a physical quantity that characterizes the heat conduction capacity of carbon products, unit thermal
conduction
real density
Jbulk density
softening
flexibility
baking test
baking
strength
is W/m·K
The mass of carbon materials and raw materials per unit volume, in g/cm2 or kg/m
The mass of carbon materials and raw materials per unit volume including voids, in g/cm2 or kg/m
The temperature at which the pitch reaches a specific softening degree under the specified test conditions
The ratio of the maximum concave limit depth to the length of carbon products or bad materials, generally expressed as a percentage| |tt||The process of simulating the sintering of anode paste, electrode paste, etc. during use, subjecting them to high-temperature heat treatment to make them into samples with certain mechanical strength
The maximum compressive strength of anode paste, electrode paste, etc. samples after the baking test
Synonyms of allowed use and discontinuation
Sintering test
Sintering strength
This standard was drafted by Jilin Carbon Plant, Lanzhou Carbon Plant, Shanghai Carbon Plant, and the Information and Standards Research Institute of the Ministry of Metallurgical Industry. The main drafters of this standard are Sun Tiezheng, Huang Qizhen, He Zigeng, and Sun Ruihong. 20
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