2) 碳当量(Ceq,%)计算公式如: Ceq(%)=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15
1, WH60A to low alloy high steel high steel steel to as high plate or high steel.
At the of the it is a for the of the needs of the coal mine .The grade of steel is of three the first of the of grade and the of grade.Where: W for ;H for class;60 the value of class;A the level (no ).The WH60 also and WH60E.
2. WH60A the :
WH60A the and
3. WH60A : the steel plate is in the state of or heat
WH60A/B/C/D: It to steel which is " plate" or " steel".At the of the it is for the of the needs of the coal mine .The is very good.
The grade of steel of three parts: the first the of grade and the of grade.Among them: "W" for ;"H" means class;60 the value of class;A is the level (this level means there is no and no ); brand Q460 high steel plate.
The WH60 the with as the are : AND WH60E.These are used for the of and coal such as flat arm.The of WH60A steel plate is: ( ), WH60A is: etc. ( to the 's to order ).
WH60A/B/C/D/E : flaw high and high etc. and of WH60
: This is to steel with a of not more than 100mm for .(It needs a and )
for of steel - Test and of the of - for of steel and - test for
Metal test for metal - test for metal
GB/ steel plate and steel belt of the and of GB/ hot steel plate and steel belt size, and the of GB/ steel and steel and test and of GB/ steel and low alloy steel thick steel plate and steel band 3 size, and the scope
The size, and of the steel plate shall with the of GB/T709.
4./B/C/D/E
brand C Si Mn P S
WH60A steel plate ≤0.20 ≤0.60 ≤1.8 ≤0.025 ≤0.020
WH60C plate 0.020 or less
WH60D plate 0.015 or less
WH60E steel plate
Yet (1) Ceq, %) such as Ceq (%) = C + Mn / 6 + (Cr + Mo + V) / 5 + + Cu (Ni) / 154.2 WH60A/B/C/D/E + the .
4.3 WH60A/B/C/D/E
Steel plate in or heat . and
The and of steel shall with the in Table 2.
test, 180°
state
≤63mm & GT;
plus ≤0.53 ≤0.54
0.50 or less
Note: 1) Other can be added.
Yet 2) (Ceq, %) such as Ceq (%) = C + Mn / 6 + (Cr + Mo + V) / 5 + + Cu (Ni) / 15