Additional composition: Ti:(1.0~2.0)%£¬ Zr:(0.1~0.5)%£¬ C: (0.1~0.5)% and other trace element. Chemical composition: This product is made of molybdenum powder FMo-1 with the addition of trace element. The surface have no defects, such as superfusion, blister, divided layer, crackle,etc. Density£º>=9.3g/cm3 Main applications: Mainly used for piercing steel tubes, such as stainless steel tubes, high-temperature alloy steel and seamless steel tube, etc. According to the standard of GB4366-84, the dimensions and tolerances as follows:
|
D |
D |
L |
L |
|
Basic dimensions |
Allowed tolerances |
Basic dimensions |
Allowed tolerances |
|
20-55(A) |
+3 0 |
60-110 |
+6 0 |
|
60-80(B) |
+4 0 |
160-200 |
+8 0 |
|
85-100(B) |
+6 0 |
180-260 |
+8 0 |
|
110-150(B) |
+8 0 |
200-300 |
+10 0 |
|
160-250(B) |
+10 0 |
280-450 |
+15 0 |