◉ Product Description

Honed Tube Description

 Standard: DIN2391 EN10305 ASTM A519                  

Material:C20 CK45 E355 ST52 SAE1026 4130 4140 STKM 13C                 

Size:I.D:30mm-400mm; O.D:40mm-480mm                  

Length:Fixed length, Random length or as requests of customers                  

Application: Hydraulic cylinder, Engineering machinery, Metallurgical machinery,

Plastic machinery, Hoisting machinery, Road construction machinery, Textile machinery

Chemical Composition:
Steel gradeChemical composition,%
CSiMnPSCrNiVAl
≤ ≥
C200.17-0.240.17-0.370.35-0.650.0350.0350.2500.250//
CK450.42-0.50.17-0.370.5-0.80.0250.0200.2500.300//
Q345B≤0.2≤0.51.00-1.600.0300.0300.0300.2500.080/
Q345D≤0.2≤0.51.00-1.600.0300.0300.2500.2500.1500.015
E355(ST52)≤0.22≤0.55≤1.60.0250.0250.2500.250//
SAE10260.22-0.280.15-0.350.6-0.90.0400.050////
41300.28-0.330.15-0.350.40-0.600.0400.0400.80-1.10///
41400.36-0.430.15-0.350.75-1.000.0400.0400.80-1.10///

 

Mechanical Property:
Delivery conditioncold finished(hard)(BK)Cold drawn and stress-relieved(BK+S)
Steel gradeRm MPaElongation    A5(%)Rm MPaReH MPaElongation    A5(%)
C20≥550≥5≥520≥375≥15
CK45≥645≥5≥600≥520≥10
Q345B≥640≥5≥600≥520≥14
Q345D≥640≥5≥600≥520≥14
E355(ST52)≥640≥5≥600≥520≥14
SAE1026≥640≥5≥600≥520≥15

 

Tolerance:
ToleranceI.D ToleranceTolerance of wall thickness
Size of I.DH8H9H10
300.0330.0520.084   <120mm(O.D)          ±5%                         ≥120mm up to 210mm      ±7.5%               >210mm                   ±10%
>30-500.0390.0620.1
>50-800.0460.0740.12
>80-1200.0540.0870.14
>120-1800.0630.10.16
>180-2500.0720.1150.185
>250-3150.0810.130.21
>315-4000.0890.140.23

 

Processing form:
Processing formI.D mmLengthStraightnessI.D toleranceI.D Roughness  (RA)
Honed40-500≤12M0.5-1/1000H8-H90.4-0.8μm
SRB50-250≤9MH80.1-0.4μm

◉ Product Show

下载 - 2024-08-27T140734.582.jpg

◉ Factory

◉ FAQ

Q: How many days of your delivery? 
 A:  The general delivery is 20~45 days according to your quantity. If your order is urgent, we would like to try our best to meet your requests.
Q: What's your main market?
 A: We mainly export to the Middle East,  South-Eastern Asia And South America,Asia, etc.
Q: Are you manufacturery or trade company?
 A: Yeah, we are. We are manufacturer, has more than 4 years of professional production experience.
Q: Can I get some samples?
 A: Yes, we can provide you sample, but you need to pay for the sample and freight firstly.We will return the sample fee after you make an order.
Q: How do you guarantee the quality of the products?
 A: Each product from our factory has strict testing procedures, and must be 100% quality before delivery.
Q: After Services:
A:(1) Our sales team will response for your question within 24 hours (Holidays included).
    (2) Technical Support will be available in any time.
    (3)Free replacement will provide once the failure confirmed caused by our product quality. 
 Q:Methods of Payment:
A:We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc. You can choose your preferred payment methods before we shipping the goods.

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