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EN10305 42CrMo4 Seamless Steel Pipes Honing Tube St52 5mm

Place of Origin Jiangsu, China
Brand Name Hongbao
Certification TS16949
Model Number HBPST-1
Minimum Order Quantity 1 ton
Price Negotiable
Packaging Details seaworthy plywooden case packing.
Delivery Time Within 50 days if production
Supply Ability 30000MT per year
Product Details
Material ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 Origin Jiangsu,China
OD 6-120mm Thickness 0.5-15mm
Type Welded Or Seamless Processing Cold Drawn, Cold Rolled
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Seamless Steel Pipes Honing Tube


42CrMo4 Seamless Steel Pipes


St52 Seamless Steel Pipes

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Product Description

EN10305 E355 42CrMo4 Seamless Honing Tube St52 Honed Tube Seamless Steel Pipes


The tubes shall be manufactured from hot-finished seamless tubes by cold drawing or other suitable processes. The tubes shall be supplied in one of the delivery conditions as follows:


  • Honed tube was made by cold-drawn tube. which was precision processed by boring, reaming, skiving or honing. When get through those process honed tube can be easy to make into hydraulic cylinder and can be ensure seal ability, reduce abrasion, move smoothly.
  • Honed tube can be produced according to the requiremenmt from customers, tolerance as H8, H9. According to the pressure requirement and diameter size, different material would be chosen .
  • Material: DIN2391 standard,ST52, EN10305 standard E355, 16Mn, ASTM A106B, Q345B, CK45
  • Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305 ASTM A519, DIN2391, EN10204-1


Standard DIN2391, EN10305, ASTM A519, GB/T 3639-200
Material Q355B Q355D C20,ST52,E355 SAE1026.CK45 4130 4140 STKM 13C
Heat treatment BK+S
Specification Outer diameter(mm) Inner diameter(mm)
40-480mm 30-400mm
I.D Tolerance H8-H9
Length Fixed Length, Random Length(3--9m)or as requests of customers
Straightness 0.5-1/1000
ID roughness RA 0.1-0.8micron(max)

Honed tube for hydraulic cylinder, swivel crane, injection machine, and

construction machine application



We adopt special techniques and special skills in the acid cleaning process to deal with the place where it is easy to form fold crevice,well organized process,especially annealing treatment in a severely technical manne,in respect with lubrication, we adopt the international advanced level treating process in the world, and put the surface quality of ourproducts under strict control in order to prevent causing surface crack.