A professional manufacture and sales of various electronic balances, moisture analyzers, viscometers and laboratory instrument manufacturer of weight measure instruments..

OIML ASTM 10kg 20kg 25lb 50lb Cast Iron Calibration Weights Slotted Interlocking And Hanger Test Weights Manufacturers

Field standards for testing industrial devices Class III, Class IIlL or IIII

Testing for non-marked scales without Class designation

Verifying scales are within specified accuracy and tolerances

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Slotted weights and hangers for suspended weighing

Nominal value marked on weight

Metric weights designated by gold paint

Avoirdupois weights (pound) designated by black paint

Serial numbers may be stamped on weights (optional)

OIML ASTM 10kg 20kg 25lb 50lb Cast Iron Calibration Weights Slotted Interlocking And Hanger Test Weights Manufacturers 2

The national standards for cast iron weights mainly include the following aspects:

Material requirements: Cast iron weights must be made of high-quality fine-grained gray cast iron. The material is generally high-strength cast iron HT200-250, and the working surface hardness is HB170-240

Surface treatment: The surface of the cast iron weight should be treated with an environmentally friendly paint coating to ensure its corrosion resistance and aesthetics

Accuracy level: The accuracy levels of cast iron weights are divided into three types: M1, M2 and M3. M1-level weights have the highest accuracy and are suitable for high-precision measurements; M2-level weights are second; M3-level weights have lower accuracy and are suitable for general measurements

Appearance design: There are many shapes of cast iron weights, including flat, square, lock, round, cylindrical and special-shaped, etc., to meet different usage requirements

Manufacturing process: During the manufacturing process, cast iron weights need to be artificially annealed (600 degrees-700 degrees) and naturally aged (2-3 years) to ensure their stable accuracy and enhanced tensile and bending strength. In addition, the working surface of the cast iron weight adopts the scraping process, and can be processed into shaped, shaped, shaped grooves and round holes, long holes, etc. ‌

‌ Use and maintenance ‌: Cast iron weights should not be placed near magnetic fields, such as the magnetic workbench of the grinder, to avoid magnetic induction. During use, attention should be paid to regular inspection and maintenance. If any abnormality is found, it should be sent to the measurement station for inspection in time to avoid self-disassembly or rough treatment ‌

‌ Standard basis ‌: The standard basis of cast iron weights includes the national standard "JB/T7974-1999" and "OIML - R111, JJG99-2022” Weight Verification Procedure

Company Advantages

OIML ASTM 10kg 20kg 25lb 50lb Cast Iron Calibration Weights Slotted Interlocking And Hanger Test Weights Manufacturers 3

The problem is solved quickly and the after-sales service is guaranteed

OIML ASTM 10kg 20kg 25lb 50lb Cast Iron Calibration Weights Slotted Interlocking And Hanger Test Weights Manufacturers 4

High product performance, low failure rate

OIML ASTM 10kg 20kg 25lb 50lb Cast Iron Calibration Weights Slotted Interlocking And Hanger Test Weights Manufacturers 5

The company has been engaged in production for more than 25 years and has a dedicated R&D team that develops new products every year

OIML ASTM 10kg 20kg 25lb 50lb Cast Iron Calibration Weights Slotted Interlocking And Hanger Test Weights Manufacturers 6

Have a production workshop of more than 2000 square meters, a complete production line, and a management technical team

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