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本修改单经国家技术监督局于1990年7月20日以技监国标发第100号文批准,自1990年10月5日起实施。 1. 2.2.2条第一行中更改钢号: “A3F、AY3F”更改为“Q235-A.F(A3F、AY3F)”。 2. 2.2.2条完了后加注: 注:关于易燃或毒性介质危害程度分级按照中华人民共和国劳动部于1990年颁布的《压力容器安全技术监察规程》第四条规定。 3. 2.2.3条改用新条文: 碳素钢镇静钢板的适用范围规定如下: a. Q235-A(A3、AY3)钢板;
This revised form was approved by the State Bureau of Technical Supervision on July 20, 1990 with the title of Technical Supervision GB 100, and implemented since October 5, 1990. 1. Change the steel number in the first line of Section 2.2.2: “A3F, AY3F” to “Q235-A.F (A3F, AY3F)”. 2.2.2 After the end of the note: Note: On the flammable or toxic media hazard classification in accordance with the People’s Republic of China Labor Department promulgated in 1990, “Pressure Vessel Safety Technology Supervision Regulations,” Article IV. 3. Section 2.2.3 to switch to the new clauses: The scope of application of carbon steel plate is as follows: a. Q235-A (A3, AY3) steel;