280 - 340 Hardness HB 40CrMnMo Integral Spiral Blade Stabilizer With UT ASTM A388
Applications:
Integral spiral blade stabilizer is using spiral way tostrength the body resistances and it includs the bottom of a well type and the drill string type,making the thread rolling cold, copper or phosphorus treatment.
Description:
Its working surface wear-resisting materials are the surface with hard alloy column,the surface with Diamond complex, hardfacing electrode and low temperature brazing article hard alloy and others.It adopt AISI 4145 H Mod alloy steel,executive API standard and SY 5051 standard,having excellent mechanical properties
Specifications:
1.Material:4145H,4145Mod,40CrMnMo e ct.
2.UT:ASTM A388
3. stabilizer specification
Working |
Working |
D2 |
D |
L±20 |
Suitable Bit Diameter |
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Short Type |
Long type |
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Near-bit Type |
Drill |
Near-bit Type |
Drill |
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L3=150 |
L1=350 |
L3=300 |
L1=700 |
|||||
152.4 |
400
500 |
121 |
51 |
950
1050 |
1100
1200 |
1450
1550 |
1650
1750 |
152.4(6) |
158.7 |
158.7(6 1/4) |
|||||||
161.5 |
165.1(61/ |
|||||||
190.5 |
400 500 |
159 |
57 |
950 1050 |
1100 1200 |
1450 1550 |
1650 1750 |
190.5(71/2) |
200.0 |
200.0(8 3/8) |
|||||||
212.7 |
400
500 |
159
178 |
57
71 |
950
1050 |
1100
1200 |
1450
1550 |
1650
2750 |
212.7(8 3/8) |
215.9 |
215.9(8 1/2) |
|||||||
222.2 |
222.2(8 3/4) |
|||||||
241.3 |
400
500
600 |
178 |
71 |
950
1050
1150 |
1100
1200
1300 |
|