We supply and sell Chrome Plated Pipe Bar, 4140 Alloy Steel Tubes, Hydraulic Cylinder Srb Pipe with reasonable price and reliable quality to create a sincere enterprise. Looking forward to the future, we will always uphold the sincere and pioneering quality, strive to abide by our beliefs, and serve every customer well. All the staff of our company welcome friends both at home and abroad to come for visits and business on the basis of equality and mutual benefit. We always continually offer you the most conscientious purchaser services, and the widest variety of designs and styles with finest materials.
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.
In order to meet the increasingly complex and changeable processing needs of users, our company pays attention to continuously improving and improving the performance and quality of E235/St52 Cold Drawn Tube Carbon Steel Precision Seamless Tube. We always regard the technology and prospects as the uppermost. In terms of product selection and after-sales service, customers can enjoy professional services.
Hot Tags: st52 cold drawn tube, China, manufacturers, suppliers, factory, price, Hydraulic Honing Pipe, E355 Cold Drawn Pipe, 4140 seamless cold drawn tube, Skived And Roller Burnished Tube, 1020 Ready To Honed Tube, Conventional Industry Welding Rotator
