JB/T 12493-2015 (English Version) PDF

Scope: This standard specifies the terms and definitions, classification, model marking, requirements, test methods, inspection rules, marking, packaging and storage of gas-water nozzles for continuous casting (hereinafter referred to as nozzles). This standard is applicable to air-water nozzles for secondary cooling of continuous casting in the metallurgical industry, especially for secondary cooling of special steel types.

JB/T 12493-2015 Referenced Document

GB/T 10922 Gauges for pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
GB/T 1220 Stainless steel bars
GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 19077.1 Particle size analysis.Laser diffraction methods.Part 1:General principles
GB/T 196 General purpose metric screw threads--Basic dimensions
GB/T 197 General purpose metric screw threads—Tolerances*， 2018-03-15 Update
GB/T 22091.1 Gauges for pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads. Part 1: Verification of paralled internal and taper external threads
GB/T 3934 Specification of gauges for general purpose screw threads
GB/T 4226 Cold finished stainless steel bar
GB/T 4423 Copper and copper alloy cold-drawn rod and bar*， 2020-09-29 Update
GB/T 7306.1 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 1:Parallel internal and taper external threads
GB/T 7306.2 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 2:Taper internal and external threads
GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
YS/T 649 Extruded rod and bar of copper and copper alloys*， 2018-10-22 Update