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Geological Drilling Tube and Pipe

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US$ 600 - 800 MOQ: 20 Tons
Key Specifications
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Thickness:
3.5, 120
Section Shape:
Round
Outer Diameter:
14 - 720 mm
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Beijing Hengzhixinda Trade Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
Guangzhou or Shenzhen or as customer requested
Delivery Detail:
Delivery time depends on order quantity.

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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

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.

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Beijing Hengzhixinda Trade Co., Ltd.
Business Type
Trading Company
Year Established
2003
Factory Size
Below 1,000 square meters
Total Employees
101 - 200 People
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