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t is mainly used as petroleum geological drilling pipe, cracking pipe for petrochemical industry, boiler pipe, bearing pipe, high-precision structural pipe for automobile, tractor and aviation, etc.
1) HIGH QUALITY---We can guarantee for YOU!!
2) LOW PRICE--We can try the best to give YOU!!
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4) SMALL ORDER IS ACCEPTABLE--YOU are warmly welcomed to contact us!!
Standard | API, ASTM, BS, DIN, GB, JIS | |||
Outside Diameter | 21.3-1420mm | |||
Wall Thickness | 2.11-300mm | |||
Dia Tolerance | Control with in the standard, OD:+-1%, WT:+-10% | |||
| 10#,20#,45#,Q235,Q345,Q195,Q215,Q345C,Q345A | |||
ASTM A53A/A53B/ A178C/A106B API5L | ||||
ST37,ST37-2,DIN 1629 ST35, ST45,DIN 17175 ST35.8,DIN 17175 19Mn5 | ||||
16Mn,Q345B,T1,T2,T5,T9,T11,T12,T22,T91,T92,P1,P2,P5,P9,P11,P12,P22,P91,P92,15CrMO,Cr5Mo,10CrMo910,12CrMo,13CrMo44,30CrMo,A333 | ||||
Gr.B,X42,X46,X52,X60,X65,X70,X80,X100 | ||||
Inspection | ISO,BV,SGS,MTC | |||
Packing | Steel strip packed. Standard Export Seaworthy Package.Suit forall kinds of transport,or as required | |||
| Widely used in Structure, Accessorize,Construction, | |||
MOQ | 1 ton,sample order accepted | |||
Shipment time | Within 7-10 workdays after receiving deposit or L/C | |||
Seamless Honed Tube/ Cylinder Tube
1. Material:ST52,CK45,4140,16Mn,42CrMo,E355,Q345B,Q345D,Stainless Steel 304/316,Duplex2205,Alloy Steel etc.
2、Equipped with saws CNC skived and roller burnished machine,we can do honing or SRB on inner tube Tolerance can up to H8,H9 Inner
roughness:Ra0.4micron(max) Straightness:1:1000 or as customized Usage:can be used for main body of bydraulic cylinder directly or
other hydraulic parts
3. Delivery Condition BK+S
4. ID:20-1500mm
5. Length:max 13m
6. Types:Seamless,Cold Drawn
6. Straightness:0.5/1000
7. Roughness(Ra):0.2-0.4u
8. Tolerance EXT:DIN2391
9. Tolerance INT:H8
10. Conservation:anti rust oiler inside and outside surface,plastic caps in both ends.
11. Package:bundle with steel strip and knitting strip,or wooden case.
Our main products are listed as follows: Precision steel pipe, Hot Rolled steel pipe, Cold Drawn steel pipe, Seamless steel pipe,
Alloy steel pipe, Bearing steel pipe, Welded pipe, Spiral pipe, Galvanized pipe etc.
We are happy to answer any questions you have regarding our product lines and services. Please tell us a little more about yourself and we will have someone contact you as soon as possible.
Speak to a Steel Expert
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| Excavator Hydraulic Cylinder | Skived Roller Burnished Tube |
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