Steel Pipe

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 10000 Pieces pc

Supply Capability:: 1000000 Pieces per M pc/month

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Detailed Product Description

Appearance treating: galvanized

joint diameter: 32mm

Material: steel

product	OD	W.T.	standard	Length
seamless steel pipe	4'' to 24''	SCH20 30 40 60 STD 80	ASTM106	5.8m 6m 5m to 12m
pipe line	3'' to 18''	SCH20 30 40 60 STD 80	API 5L	5.8m 6m 5m to 12m
Spiral steel pipe	8'' to 28''	SCH20 30 40 60 STD 80	ASTM106	5.8m 6m 5m to 12m
ERW steel pipe	8'' to 36''	SCH20 30 40 60 STD80	ASTM106	5.8m 6m 5m to 12m
packing	In bundles
Delivery terms	FOB	CIF	CFR
Payment terms	30% T/T advanced payment	70% L/C at sight

OD 10mm-1000mm
thickness 1mm-100mm
standard GB BS AMSE ANSI DIN JIS

Our company operate of oil and oil line pipe casing, Not only the supply of domestic large-scale oil fields, but also establish a long-term business relationship with the Middle East, Europe, Africa and other countries.

Products:

316L, 316,304 L, 304,303,302,301,202,201 and other stainless steel round bar, square steel, angle steel and special type of steel 6

316F, 304F, 303F, 303Cu, 430F, 420F and other material easy to cut stainless steel bars;

316L, 316,304 L, 304,302,301,202,201 and so on stainless steel sheet;

321,316 L, 316Ti, 316,304 L, 304, 301,202,201, etc.

Q:How do you determine the size of the drill sleeve with a drill diameter of 6?. Thank you: The bore size of drill sleeve is determined according to F7 tolerance. That is: 6F7,6 deviation: +0.022. deviation +0.010.

Q:I wonder if it works Because of the large number of drilled holes, the wear of common steel is relatively large. But T10 steel needs quenching. I don't have any specialized equipment here. Usually it is heated by oxygen acetylene, and then it is quenched by oil. I wonder if T10 steel is good. What about the deformation? Outside diameter 15mm, inner hole 8.6MMIf not, what is the best way to do it? Or what to replace?: Tolerable。 T06 or T08 can, but should not wear very fast quenching, the inner diameter of H8, H9, such as the outer diameter with H8/n7 this can often remove.

Q:Specific depends on what number you are cone sets, you can compare:0 1:19.212 9.0451 1:20.047 12.0652 1:20.020 17.783 1:19.922 23.8254 1:19.254 31.2675 1:19.002 44.3996 1:19.180 63.348: Not enough detail ah, a few cones are not aware of their comparison, followed by cone sleeve diameter0 1:19.212 9.0451 1:20.047 12.0652 1:20.020 17.783 1:19.922 23.8254 1:19.254 31.2675 1:19.002 44.3996 1:19.180 63.348

Q:Can the drill jig designed in mechanical processing be without drill bush?: Less quantity can be without drill sleeveThe drill sleeve is used for drilling, hardening and tempering, and the hardness is improved

Q:What kinds of drill sleeves are used? What are they used for?: Drill sleeve is divided into fixed drilling sleeve and fast change drill sleeve two kinds. A fixed drill sleeve is used for drilling only. Quick drill bushing, is generally the first to remove the drill sleeve on the drilling, reaming and reaming.

Q:I have seen many drilling techniques in practice, and I find that drilling jigs do not have guiding elements (i.e. drill sleeves). Why do not they use drill sleeves in actual production? And I have seen in many books drilling jig, need drill sleeve of the statement, how is this matter?Reaming in our company is also done by drilling machines. Change the drill bit to the reamer. Do you want reaming?I asked the master of the workshop why the drilling fixture does not need to drill, they do not even know what the drill sleeve is, as if they are in the design of drilling machine clamp, there is no drill sleeve concept.I really don't understand why the drilling jig is using drill sleeves If it is for the tool, you can put on a processed product, and then the tool is ok. Why?: Drilling holes can not use drilling sleevesReaming will not use reaming, and when the diameter of the hole is large, the method of boring is often used

Q:Drill 4.2 holes, tap 5 thread, choose what kind of drill sleeve: Look at your drill sleeve material is what, if it is rotating drill sleeve, the direct selection of about 0.02 larger than the drill can, if they do need a kind of drilling quenching, will put a bit into the hole position accuracy -- mainly depends on your workpiece hole

Q:How should the drill bit of the 4mm bit be calculated?: The drill bit for the 4mm is generally larger than the drill sleeve about 4 or 0.03Such coordination is more accurateSpecific access to relevant GB requirements

All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.

1. Manufacturer Overview
Location	Jiangsu, China
Year Established	2000
Annual Output Value
Main Markets	North America South America Eastern Europe Southeast Asia Africa Eastern Asia Western Europe
Company Certifications	ISO 9001:2000 ;ISO 14001:2004

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a)Trade Capacity
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Export Percentage	81% - 90%
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