We have won the recognition of our customers by virtue of the advantages of high quality and low price, timely delivery, and thoughtful after-sales service, and our 4140 cold drawn stator tube, E355 Honing Pipe, Adjustable Welding Rotators are exported to various countries and regions in the world. For a long time, our company has been adhering to the business philosophy of 'quality is life, integrity-based, customer first', constantly developing new products, expanding the scale of the company, and serving every customer with care, thus winning the praise of our customers. We are equipped with the sincere cooperation of the vast number of new and old customers and our company team.
Precision Seamless Steel Honing Pipes Introduction
Honed Tubes are presicion tubes with smooth inside, they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009,EN10305 or DIN2391 standard. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose.
Precision Seamless Steel Honing Pipe technical parameters and Details
Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.
Original: Jiangsu, China
Certification: ISO9001.
Material: SAE1020, 20#, ST45, CK45, ST52, E355
Payment term: TT, LC
Delivery date: usually 20 to 40 days.
Packing: packed in bundle, oiled inside, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Size and Tolerance:
Working method | Cylinder ID (mm) | Length (m) | Straightness (mm/m) | Tolerance on ID | Tolerance on WT | Roughness (μm) |
Cold drawn | 40-320 | ≤12M | 0.2-0.5 | / | ±5% | 0.8-1.6 |
Cold rolling | 30-100 | ≥12M | 0.2-0.5 | / | ±5% | 0.8-1.2 |
cold drawn- honed | 40-500 | 8M | 0.2-0.3 | H8-H9 | ±5% | 0.2-0.8 |
Cold drawn-skived | 40-400 | 7M | 0.2-0.3 | H8-H9 | ±5% | ≤0.4 |
Deep hole boring- honed | 320-400 | 8M | 0.2-0.3 | H7-H9 | ±8% | ≤0.8 |
Deep hole boring- skived | 320-400 | 7M | 0.2-0.3 | H8-H9 | ±8% | ≤0.4 |

Precision Seamless Steel Honing Pipe Specifications
Cylinder ID: 40mm-400mm Thickness:≥4mm
Material:20#(A106B,C20),45#(CK45),16Mn(ST52,E355),25Mn,27SiMn
Standard:GB/T8713-88 ISO4394/1-1980(EN0305,DIN2391)
Product | seamless steel tube | |
Standard | EN10305/DIN2391 | |
ISO4394/1-1980 | ||
GB/T8713-88 | ||
Material | China | 20# 45#(CK45) 16Mn(ST52) 25Mn 27SiMn etc. |
German | St42-2 DIN1626,St45-8 DIN17175,St45-4 DIN1629,CK45,St52 DIN1629 | |
American | ASTM A53-B,ASTM A106-B,ASTM A178-C,ASTM A1045,ASTM A210-C etc. | |
Length | as your requirements | |
Surface treatment | Black painting, black varnish, transparent oil, hot galvanized, 3PE, epoxy coating,BE,PE.etc. | |
Technique | Seamless & welded | |
Usage | 1.hydraulic cylinder /pneumatic cylinder | |
Package | 1. Bundle packing. | |
MOQ | as your needs | |
We emphasize enhancement and introduce new solutions into the market just about every year for ASTM A519 Carbon Steel and Alloy Steel Seamless Precision Honed Hydraulic Tubing. Our philosophy is to create cost-effective products and solutions, promote perfect services, cooperate for long-term and mutual benefits, firm a in depth mode of excellent suppliers system and marketing agents, brand strategic cooperation sales system. We have established close partnerships with local outstanding enterprises and distributors, and our business scope covers many regions of the world.
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