Honing/Skived and Roller Bunished Seamless Steel Pipe Hydraulic Cylinder Steel Pipe by En355, St52, SAE1020

• After-sales Service: One Year
• Warranty: One Year
• Type: Seamless
• Technique: Honing, Roller Burnishing
• Material: Alloy, Carbon Steel
• Surface Treatment: Bk, Nbk, Bks, etc
• Usage: Hydraulic/Automobile Pipe, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Special Purpose
• Section Shape: Round
• Size: 30mm~416mm
• Length: Fixed Length, by Random
• End Processing: Plain Ends
• Surface: Bare Pipe, Anti-Rust Painting
• Steel Material: SAE1020, SAE1045, SAE4130, St52, St52.3,E355
• Transport Package: Standard Seaworthy Packing
• Specification: ASTM, DIN, GB/T, EN
• Trademark: Iron&steel
• Origin: China
• HS Code: 73045910
• Production Capacity: 2000tons Per Month

Product Description

Inside Honing Steel  tube is a kind of smooth bore steel tube used to manufacture hydraulic cylinder barrels that is the core part of a piece of hydraulic cylinder. 
Our factory has advance production lines for Inside honing, roller burnishing production.
High quality inside surface processing

Specifications of major steel material:

Processing form	I.D.mm	Length	Straightness	I.D.tolerance	I.D.Roughness(RA)
Cold-rolled	30-100	≤12M	0.3-1.0/1000	H8-H10	0.4-1.6um
Cold-drawn	30-250	≤12M		H8-H10	0.8-1.6um
Hone	40-500	≤12M		H8-H9	0.4-0.8um
SRB	50-250	≤9M		H8	0.1-0.4um

Tolerance of ID and WT

Size of inside Diameter(mm)	ID Tolerance			Tolerance of wall thickness
30	+0.0330	+0.0520	+0.0840	<120mm(OD)              ±5% >120mm up to 210mm±7.5% >210mm                     ±10%
>30-50	+0.0390	+0.0620	+0.1000
>50-80	+0.0460	+0.0740	+0.1200
>80-120	+0.0540	+0.0870	+0.1400
>120-180	+0.0630	+0.1000	+0.1600
>180-250	+0.0720	+0.1150	+0.1850
>250-315	+0.0810	+0.1300	+0.2100
>315-400	+0.0890	+0.1400	+0.2300

Main steel grade by different standard

SAE/AISI:	SAE1020, SAE1026, SAE1045, SAE4130, SAE4140
DIN:	ST52, ST52.3, ST52.4
EN:	E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470
GB:	20#, 45#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn,

Advanced  numerical control cutter guarantee the smooth end without burrs and curling edge

Professional Seaworthy packing

Factory show