Home > Products > Drill pipe > Geological Drilling Tube and Pipe
Geological Drilling Tube and Pipe
- 1000 Ton / Tons per Month
- Guangzhou or Shenzhen or as customer requested
- T/T Credit Card
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Product Details
| Thickness | 3.5, 120 | Section Shape | Round | |
| Outer Diameter | 14 - 720 mm | Place of Origin | Hunan, China | |
| Secondary Or Not | Non-secondary | Application | Drill Pipe | |
| Technique | Cold Rolled | Certification | Other | |
| Surface Treatment | Other | Alloy Or Not | Non-alloy |
Product Description
Geological Drilling Pipes
Technique parameter:
Standard:
Q/OHAD006-2004 HengYang Composition
YB/T5052 Standard of China Metallurgical Industry
Application
For geological drilling
Grade and Chemical Composition(%):
Grade | Designation | Chemical Composition | ||||||||||
C | Si | Mn | P | S | Cu | Ni | Cr | Mo | V | B | ||
Max | ||||||||||||
DZ40 | 37Mn5 | 0.33~0.39 | 0.15~0.35 | 1.20~1.45 | 0.025 | 0.020 | 0.20 | 0.20 | ≤0.15 | ≤0.10 |
|
|
50Mn | 0.48~0.56 | 0.17~0.37 | 0.70~1.00 | 0.035 | 0.035 | 0.25 | 0.30 | ≤0.25 |
|
|
| |
DZ50 DZ55 | 45Mn2 | 0.42~0.49 | 0.17~0.37 | 1.40~1.80 | 0.035 | 0.035 | 0.25 | 0.30 | ≤0.30 | ≤0.15 |
|
|
36Mn2V | 0.35~0.40 | 0.20~0.40 | 1.40~1.65 | 0.025 | 0.015 | 0.20 | 0.20 | ≤0.15 | ≤0.10 | 0.10~0.16 |
| |
42MnMo7 | 0.40~0.46 | 0.15~0.35 | 1.60~1.85 | 0.025 | 0.015 | 0.20 | 0.20 | ≤0.15 | 0.15~0.25 |
|
| |
STM— R780 | 36Mn2V | 0.35~0.40 | 0.20~0.40 | 1.40~1.65 | 0.025 | 0.015 | 0.20 | 0.20 | ≤0.15 | ≤0.10 | 0.10~0.16 |
|
42MnMo7 | 0.40~0.46 | 0.15~0.35 | 1.60~1.85 | 0.025 | 0.015 | 0.20 | 0.20 | ≤0.15 | 0.15~0.25 |
|
| |
DZ60 | 45MnMoB | 0.41~0.49 | 0.17~0.37 | 0.90~1.20 | 0.030 | 0.030 | 0.25 | 0.25 | ≤0.25 | 0.20~0.30 | ≤0.08 | 0.001~0.005 |
25CrMnMo | 0.23~0.28 | 0.17~0.37 | 0.90~1.10 | 0.020 | 0.010 | 0.20 | 0.20 | 0.60~0.80 | 0.15~0.25 |
|
| |
Note: pipes of other grades can also be provided as per agreement
Dimension Tolerances:
Allowed OD and Wall Thickness tolerances for pipes delivered as per Q/OHAD006-2004 .
OD | Allowed Tolerance | Wall Thickness | Allowed Tolerance |
<50mm | ±0.40mm | ≤5mm | +12%S -10%S |
50~100mm | ±1%D | >5mm | ±10%S |
>100mm | ±1.00mm |
Allowed ID and Wall Thickness tolerances for pipes delivered as per Q/OHAD006-2004 .
Allowed ID tolerance | Allowed Thickness tolerance |
+1.2%d -0.8%d | ±10%S |
Note: pipes with other thom the above-mentioned tolerances can also be provided with agreement.
Contact Us
- Beijing Hengzhixinda Trade Co., Ltd.
- Contact nameMagi Wu Chat Now
- Phone86-10-59574399
- Address1606, Floor 16, Building 402, Baiziwanxili
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