China Foundry Association approved and published three group standards .The standard name and standard number is as follows:
《灰铸铁件焊补规范》 T/CFA 0106023--2021《Specifications for welding and repairing of gray iron castings》《耐热低合金铁素体球墨铸铁件》 T/CFA 0102012--2021《Ferritic ductile iron casting with low alloy for heat resist》《球形大气压力冒口套》 T/CFA 020202031--2021《Spherical atmospheric pressure riser sleeve》
以上标准于 2021 年 06 月 25 日起施行。Above criteria on June 25, 2021 into effect.予以公告。To be announced.
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