五、50#钢板用处50#钢板正火保证探伤找舞钢钢厂,是采购者的明智选择
50#钢板用在耐磨性能要求高、动载荷及冲击效果不大的结构件,如铸造齿轮、 拉杆、轧辊、轴摩檫盘、犁铧、重负荷的心轴和轴等。1. No. 50 steel plate to steel and the GB/ and Q/ shall be
Ii. and of no.50 steel plate
The of no. 50 steel plate is and at high . to the of both no. 50 steel plate can also be in hot .
Iii. 50# steel Plate : % ( )
The of the
C
Si
Mn
P
S
Cr
Ni
Cu
/mm
No than
3-60
0.47-0.55
0.17-0.37
0.50-0.80
0.035
0.035
0.20
0.30
0.25
>.
0.47-0.55
0.17-0.37
0.50-0.80
0.025
0.020
0.25
0.25
0.25
1. The of Cr, Ni and Cu in no. 50 steel in the above table is not if the can the ;
2. The error of the steel plate to the rules of GB/T222.
Iv. of no.50 steel plate
The of the
The
MPa
at break A/%
3-60
Heat
Not less than
625
16
>.
Hot
570
14
1. Heat to or at high ;
2. When no. 50 steel plate is in heat when its is by 2% ( value) with the above table no. 50 steel plate with a of shall be to its by 40MPa with a of & GT;The of 50# steel plate of is to by 20MPa;
3. to the of the and no. 50 steel plate can also be in with the of the heat green the size of the green is A * 3A * 3A, and a is the of the steel plate.
V. Use of # 50 steel plate
No. 50 steel plate is used for parts with high wear and low load and such as gear, pull rod, roll, shaft rub heavy load and etc.