12、应用范围: of the (H) and
1, (H steel plate 2.25 .25 V steel plate).
2, (H) is the read as 12 cr 2Mo1 "R" the first of the H is the .Among them, 12 the Cr is the Mo is the and R is the first of the .
3, (H) to CR-MO used in such as .Main types of CR-MO steel: steel plate for coke steel plate for 2.25 steel plate for large plate.
4. : GB/T .
5. (H) heat and the is as :
heat of (H) steel plate: Max. PWHT: 690±10×26 H
heat of (H) steel plate: Min.PWHT: 690±10×6 H
6. (H) : : the steel plate shall be by one by one to and the shall be .
7. (H) state: ( ) + state.
8, (H) plate : use +LF/VD the .
9. of (H)
and shall be the range in GB/T .
The shall be to Class B or Class C of GB/T709 and shall be in the .
10. (H) and . The is as :
Note: shall meet the :
J = (Si + Mn) (P + Sn) x 104, 100 or less
(P + Sn) 0.014 or less
The in the above is by its .
11. (H) are as (the is heat ) :
12. Scope:
It is used for of and used in the plant more.It can be used to make a cover
(H)与之间的区别分析1、(H 钢板临氢2..25V钢板)。2、(H)是临氢容器板,读作12铬2钼1容,“R”代表容器板的首写第一个大写字母,H是临氢。其中12代表化学元素,Cr是化学元素铬,Mo是化学元钼,R是容器的容第一个大写字母。3、(H)属于舞钢抗氢Cr-Mo钢,主要用于石化上的加氢设备,如加氢反应器等。抗氢Cr-Mo钢的主要钢种:焦炭塔用临氢钢板、气化炉用临氢钢板、加氢反应器用2.钢板、大厚度抗氢板。4、 执行标准:执行GB/T 标准。5、(H)模仿焊后热处理,工艺制度为:(H)钢板最大模仿焊后热处理:Max. PWHT:690±10×26 (H)钢板最小模仿焊后热处理:Min. PWHT:690±10×6 h6、(H)探伤查验办法:超声波查验:钢板按标准探伤逐张进行超声波探伤检查,级合格。7、(H)交货状态:正火(允许加速冷却)+回火状态交货。8、(H)临氢板的锻炼办法:采用电炉+LF/VD真空炉外精炼办法锻炼。9、(H)的标准尺寸、外形、重量及允许偏差应符合GB/T 标准的规定范围。厚度偏差按GB/T709的B类或C类执行,在合同中注明。10、(H)化学成分以及熔炼分析,成品分析如下:注:回火脆化敏感性系数应满足以下要求:J=(Si+Mn)(P+Sn)×104≤100(P+Sn)≤0.014以上公式中元素以其百分比含量代入。11、(H)力学性能如下(试样为模仿焊后热处理状况):12、应用范围:主要是用于国内制作容器和罐使用,用于国内的压力容器厂较多.可用于制作封头等主要是用于国内制作容器和罐使用,用于国内的压力容器厂较多.可用于制作封头等