Origin Standard

SH/T 0318-1992 Technical specifications for open-cup flash point testers

AI-translated method card — human verification pending. This is not an official translation of the standard. Unclear source values remain unverified; check the original standard and product certificate before use.

Card type: Product standard

1. Standard number / full title / replacement relationship / issuance and implementation

2. Scope of application and grade classification

3. Technical requirements (index table, itemized: item | index | test method standard number)

Item Index Test method standard number
Heating method May use a gas lamp, alcohol blowtorch, or suitable electric furnace for heating; for structure see Figure 1 not provided in the available source
Inner crucible material Made of 08 or 10 high-quality carbon structural steel not provided in the available source
Inner crucible upper opening inner diameter 64mm±1mm not provided in the available source
Inner crucible bottom inner diameter 38mm±1mm not provided in the available source
Inner crucible height 47mm±1mm not provided in the available source
Inner crucible thickness about 1mm not provided in the available source
Inner crucible marking lines Two annular marking lines are engraved on the inner wall, each at a distance of 12 and 18mm from the upper edge of the crucible not provided in the available source
Main dimensions of inner crucible see Figure 2 not provided in the available source
Outer crucible material Made of 08 or 10 high-quality carbon structural steel not provided in the available source
Outer crucible thickness about 1mm not provided in the available source
Outer crucible dimensions see Figure 3 not provided in the available source
Igniter nozzle hole diameter 0.7～0.8mm not provided in the available source
Igniter flame The flame length shall be adjustable so as to form an approximately spherical shape of 3～4mm, and it shall be able to move arbitrarily along the horizontal plane of the crucible not provided in the available source
Thermometer Shall comply with the relevant provisions in GB/T 514 GB/T 514
Protective screen Made of galvanized iron sheet, height 550～650mm, inner wall of the screen body painted black not provided in the available source
Iron support Height about 500mm; whether heated by electric furnace or gas lamp, it must be ensured that the thermometer can be inserted vertically into the center of the inner crucible not provided in the available source

Note: The specific dimensional values of Figure 1, Figure 2, and Figure 3 are given in the original text in graphical form, and the text layer was not fully extracted; requires confirmation against the source standard (source-text extraction).

4. List of referenced test methods

5. Inspection rules, sampling

6. Marking, packaging, transportation, storage

7. Quick reference Q&A

Question Key answer points
Which old standard does this standard replace? Replaces SY 3609-82.
What instruments does this standard apply to? It applies to instruments of GB/T 267 "Determination of flash point and fire point of petroleum products (open cup method)".
What material is the inner crucible made of? 08 or 10 high-quality carbon structural steel.
What is the inner diameter of the upper opening of the inner crucible? 64mm±1mm.
What is the inner diameter of the bottom of the inner crucible? 38mm±1mm.
What is the height of the inner crucible? 47mm±1mm.
What is the approximate thickness of the inner crucible? About 1mm.
What is the position of the marking lines on the inner wall of the inner crucible? Two annular marking lines, each at a distance of 12 and 18mm from the upper edge of the crucible.
What is the approximate thickness of the outer crucible? About 1mm.
What is the range of the igniter nozzle hole diameter? 0.7～0.8mm.
What are the requirements for the igniter flame? The flame length is adjustable, forming an approximately spherical shape of 3～4mm, and it can move arbitrarily along the horizontal plane of the crucible.
Which standard shall the thermometer comply with? GB/T 514.
What are the size and color requirements for the protective screen? Made of galvanized iron sheet, height 550～650mm, inner wall of the screen body painted black.
What is the approximate height of the iron support? About 500mm.
What are the factory inspection requirements? Each instrument must pass inspection by the manufacturer's technical inspection department according to the technical requirements of this standard before it can leave the factory.
What content shall be printed on the nameplate? Instrument name, this standard number, date of factory delivery, factory serial number, and manufacturer name.
What documents shall be attached to each set of products? Accessory list, instruction manual, and product inspection certificate.
What are the issuance date and implementation date? Both are 1992-05-20.
In which year was it first issued? 1966.

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Source and review status

This translation has not received a complete independent technical review. Missing sections and unclear source values remain identified above.