Standards

YB/T 007-2003 Alumina carbon refractory products for continuous casting

This standard specifies the classification, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage, and quality certificates for aluminum-carbon series refractory products used in continuous casting.
This standard applies to aluminum-carbon (composite zirconium-carbon, magnesium-carbon) refractory products used in steel continuous casting.

Publish Date: 2003-12-29

YB/T 5194-2003 Modified pitch

This standard specifies the technical requirements for modified asphalt, the sampling and preparation of samples, test methods, packaging, and quality certificates.
This standard applies to modified asphalt obtained from the deep processing of coal tar, which can be used as raw materials for the production of aluminum and carbon products.

Publish Date: 2003-12-29

YB/T 051-2003 Electrolytic manganese metal

This standard specifies the technical requirements, test methods, inspection rules, packaging, storage and transportation, marking, and quality certificates for electrolytic manganese metal.
This standard applies to electrolytic manganese metal used as an additive for special steels, chemicals, electronic materials, and non-ferrous metal alloys, etc.

Publish Date: 2003-03-18

YB/T 4116-2003 Magnesia-calcia bricks

This standard specifies the classification, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage, and quality certificates for magnesia-calcium bricks.
This standard applies to magnesia-calcium bricks used in metallurgical furnaces such as AOD, VOD, and LF furnaces, as well as in kilns for the building materials industry, such as cement rotary kilns.

Publish Date: 2003-03-18

YB/T 4118-2003 Purging plug and seat block for refining ladles

This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality certificates for ventilation bricks and seating bricks used in refining ladles.
This standard applies to directional slotted ventilation bricks and their seating bricks used in refining ladles.

Publish Date: 2003-03-18

YB/T 951-2003 Method of the ultrasonic inspection for rails

This standard specifies the terms and definitions, personnel requirements, inspection principles, inspection methods, inspection requirements, test pieces, probes, instruments and equipment, signal-to-noise ratio, stability, operation, result determination, and marking for ultrasonic inspection of steel rails.
This standard applies to ultrasonic inspection of railway steel rails with a weight of 37 kg/m to 75 kg/m. Ultrasonic inspection of other steel rails can also be carried out with reference to this standard.

Publish Date: 2003-03-18

YB/T 185-2001 Method of the test for viscosity of continuous casting mold powder

Publish Date: 2001-07-09

YB/T 186-2001 Method of the test for melting temperature of continuous casting mold powder

Publish Date: 2001-07-09

YB/T 187-2001 Method of the test for bulk density of continuous casting mold powder

Publish Date: 2001-07-09

YB/T 188-2001 Method of the test for grain size distribution of continuous casting mold powder

This standard specifies the method outline, equipment, sample preparation, the range of sieve grades, result calculation, and errors.
This standard is applicable to the determination of the particle size distribution of continuous casting mould flux. Particles smaller than 0.074 mm (200 mesh) are measured using the water sieving method, and those larger than 0.074 mm (200 mesh) are measured using the dry sieving method.

Publish Date: 2001-07-09

YB/T 189-2001 Method of the test for moisture content (110℃) of continuous casting mold powder

This standard specifies the method outline, testing instruments and equipment, testing steps, and calculation of test results and errors for determining the moisture content of continuous casting protective slag at 110°C.
This standard is applicable to the determination of moisture content in continuous casting protective slag at 110°C.

Publish Date: 2001-07-09

YB/T 190.10-2001 Methods for chemical analysis of continuous casting mold powder—The ion-selective electrode method for the determination of fluorine content

Publish Date: 2001-07-09