To meet the customers' over-expected pleasure, now we have our potent staff to offer our greatest general service which includes internet marketing, sales, planning, output, quality controlling, packing, warehousing and logistics for Precision Seamless Honed Tube, Honing Seamless Steel Tube, Hydraulic Cylinder Pipes. We focus on customer experience, listen to customers' voices, and recognize their true needs. We have high standards and strict requirements for supply chain partners, we work together with partners to grow and share value, enhance innovation and promote common progress. Our company has increased investment in research and development, created our own brand, and made great efforts to increase the export of high-tech and high-value-added products, and has made remarkable achievements.
St52 Cold Drawn Tube Introduction
WUXI HENGTONG PETROLIC MACHINERY manufactures pre honed tubes, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods and high-precision cold-drawn steel tubes, We are well-equipped with 300 ton, 150 ton, 65 ton, 20 ton of cold drawing machine,9 meters CNC boring machines, 20 sets honing machines , one set furnace and advanced quality testing equipment, which combine cold drawn, cold-rolled, heat treatment and traditional machining process.
St52 Cold Drawn Tube 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, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Mechanical Properties:
Final Supply | Cold finished | Cold drawn and stress-relieved （BK+S or + SR） | Hardness HB | |||
Parameters | T.S | Elongation | T.S | Y.S | Elongation | |
20# (A106B, ST45, E255) | ≧550 | ≧8 | ≧520 | ≧375 | ≧12 | 175 |
45#(CK45) | ≧650 | ≧5 | / | / | / | 207 |
Q345B(ST52, E355) | ≧640 | ≧5 | ≧600 | ≧520 | ≧15 | 190 |
25Mn | ≧640 | ≧5 | ≧600 | ≧510 | ≧15 | 195 |
27SiMn | ≧840 | ≧5 | ≧800 | ≧720 | ≧10 | 230 |
Production process
Raw material – annealing for material of 45#, 27SiMn, 25Mn – Acid cleaning – parkerizing & Saponifying – cold drawn – leveling – saw off bad section – stress relieving – leveling –inspection – oiled plated - packing
Quality control
1. We only buy raw material from famous tube factory, and Checking raw material quality before production.
2. We check the tube ID tolerance, OD tolerance and surface after cold drawn one by one.
We are confident in our DIN2391 St52 Cold Drawn H8 Tolerance Seamless Steel Honed Tube and we believe that we will be among the leading companies in the world. Our company's corporate goal is to 'create a well-known brand with excellent quality', and we are striding towards the goal of specialization, diversification, collectivization and internationalization. Our company has been adhering to the enterprise concept of 'developing with the society'.
Hot Tags: st52 cold drawn tube, China, manufacturers, suppliers, factory, price, welding positioners, Honed Tubes In Stock, Stainless Steel Cylinder Tube, Cold Drawn Carbon Seamless Steel Pipe, Honed Tube, 4151 Gas Tube
