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Honed Steel Pipe ST52 DIN2391

 

 

 

We are manufacturer of ST52 Honed Steel Pipe, Ck45 Piston Rod, and Hydraulic Cylinder in China. Our manufacturing history of Honed Steel Pipe Tube is 25 years. We mainly export our Honed Cylinder Pipe to Brazil, USA, Iran, German etc. Except Common Honed Cylinder Pipe, we also can produce OD Chromed Cylinder Pipe and Ready to Honed Tube. Details of Cylinder Pipe is as below:

 

 

 

 

 

1)  Standard: BS; JIS; DIN

(2)  Grade:ST52, 20#, 45#, 16Mn,TP304, 316, other stainless steel, alloy steel, and special steel

(3)  ID range from 40 to 1000 mm

(4)  OD range from 50 to 1160 mm

(5)  Max Length 20 meters

(6)  Straightness: 0.5 /1000

(7)  Tolerance EXT: DIN 2391

(8)  Tolerance INT: ISO H7, H8, H9

(9)  Roughness(Ra): 0.2 to 0.4µm

(10) Type: cold drawing, normalizing treatment, honing or skiving

(11) Marking: JW, ID, OD

(12) Length: unfixed length or fixed length

(13) Package: banding with steel strips, braiding parcel at outside

(14) Conservation: Anti rust oiled coating on the inside and outside of the surface, plastic caps at both ends.

(15) Impact test: -20 °C , 27 J (only for special requirement)

 

 

 

 

                                 Main Equipment

                             HONING MACHINES

 

                         SKRIVING AND BURNISHING MACHINES

                                       

 

 

                          Inspection Equipment

 

                                                           INSIDE SURFACE TESTING     

 

                                                                  DIMENSION TESTING

                                                        CHEMICAL ANALYSIS TEST

                                                                           MECHANICAL TEST           

 

 

                            Mill Test Certificate

 

 

 

                                                                    THIRD PARTY INSPECTION

 

                         ISO 9001 Certificate                                          

 

 

 

                           PACKAGES

          

 

 

 

                            

OUR ADVANTAGES OF HONED TUBE AND PISTON ROD

 

 

 

1.Our quality is the top five in China. Raw material is mainly from some famous refinery steel mills, such as BAO STEEL, Tianjin, and Chengdu etc, which are the best and largest raw material manufacturers in China. we have been through ISO9001:2000 international quality system certification. Warranty period for our honed tubes and chrome bars is 2 years. For some special or important customers, the period is 5 years.

 

 

 

2. We own 35 sets honing machines producing tube ID from 38.1mm to 1000mm, at max length of 18m.

 

 

 

3.We own 18 sets of equipment for piston rod in completely production, producing OD from 12mm to 500mm, at max length of 16m.

 

Plate according to customers' different requirements such as Chrome, Nickel, and Ceramic. Thickness is from 10μm to 100μm.

 

 

 

4. High Precision:

 

Honed tube (Roughness of tube is 0.2μm and straightness is less than 0.15/1000), piston rod (Plating thickness is 10-100 micron. Surface roughness is 0.2μm and straightness is also less than 0.15/1000)

 

 

 

5. Product details are completely according to International Standard, chrome rod and honed tube must be cut flatly, and no chrome marks on the surface of rod. (Most of domestic mills don't do this in order to reduce cost)

 

 

 

6. Delivery time is very fast. The average delivery time is 5-30 days after confirming the orders. Production output for honed tubes is about 300tons per month and 200tons for chrome bars per month.

 

 

 

7. Package: our packages are safer than others' supplier in China. Packing for rod normally we choose is cardboard that film attached inside, which does not only prevent rods from scratch but also from oil rusting. Tubes are made with caps at both end and painted oil on inside and outside surface. For full container, extra package like parcel at outside will be used.

 

 

 

 

 

8. Each product will do full test (include chemical, mechanical, tolerance, roughness, chrome plate thickness, hardness, salt spray, etc). All the test report will be kept 5 years. We will make the Mill test certificate to customer if they need.

 

 

 

 

 

 

 

 

 

 

 

 

 

BEST QUALITY CHEAP PRICES plastic chewing gum tube