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EN 10210-1 Hollow Sections-Seamless Steel Pipe

EN 10210-1 Hollow Sections-Seamless Steel Pipe
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EN 10210-1: Hot Finished Seamless Structural Hollow Sections of Non-Alloy Steels

Standard: EN 10210-1
JST can offer different grades of steel pipes, such as S235JRH, S275JOH, S275J2H, S355JOH, S355J2H, S355K2H, etc.

Introduction EN 10210-1 hot-finished hollow section tube is made from non-alloy structure steel and fine-grain structure steel. It features simple form, excellent strength properties, durable, compact structure and wide specifications and dimensions. Adopting appropriate types of steels can optimize function and cost effectiveness of this hollow section pipe. This hollow section tube is broadly used in the frame structure of buildings, bridge structure, railing, mechanical frame structure, frame structure of transport vehicle, scaffolding, rack or spline and pinion elevator, crane, etc.

Advantages
  • JST provides British UNICORN ultrasonic joint inspection machine, ultrasonic inspection machine, hydrostatic machine and magnetic flux leakage testing machine to check our hollow section pipes. According to the requirements of customers and standards, we can do horizontal and longitudinal defects online testing for the inside and outside of hollow section tubes. Therefore, we are able to supply qualified and high quality seamless steel pipes.
  • We also own professional pphysical and chemical testing center and international level advanced testing equipment for hollow section pipes, such as German full spectrum direct-reading spectrometer, Japan metallurgical microscope, impact testing machine, tensile testing machine, computer controlled electro-hydraulic servo universal testing machine and a variety of machine tools. They can do drawing, flaring, flattening, curling and other physical tests for non-alloy structural steels and fine grained structural steel hollow section tubes and thus ensure stable performance of steel.
  • JST also configures Siemens electronic controlled six roller straightening machine that can straighten hollow section pipes after being cooled down and ensure the pipe straightness complying with the requirements of customers and standards.
Specifications of EN 10210-1 Seamless Hollow Sections Tube

1. Chemical Composition


Steel Grade		 Chemical Composition Limits (%)
C Max. Si Max. Mn Max. P Max. S Max. N Max.
S235JRH 0.17 / 1.40 0.040 0.040 0.009
S275J0H 0.20 / 1.50 0.035 0.035 0.009
S275J2H 0.20 / 1.50 0.030 0.030 /
S355J0H 0.22 0.55 1.60 0.035 0.035 0.009
S355J2H 0.22 0.55 1.60 0.030 0.030 /
S355K2H 0.22 0.55 1.60 0.030 0.030 /

2. Mechanical Properties of Hollow Section Pipe

Steel Grade Mechanical Properties Impact Energy (KV J)
Yield Strength (Mpa) Tensile Strength (Mpa) Elongation (%) Test Temperature At Test Temperature of ℃
-20 0 20
S235JRH 235 360-510 26 / / 27
S275J0H 275 410-560 23 / 27 /
S275J2H 275 410-560 23 27 / /
S355J0H 355 510-680 22 / 27 /
S355J2H 355 510-680 22 27 / /
S355K2H 355 510-680 22 40 / /

Founded in 1984, Jiangyin Changjiang Steel Tube Making Factory is a professional manufacturer of seamless hollow section tubes. Our seamless steel pipes mainly cover casing, tubing, line pipe, drill pipe, high pressure boiler pipe, marine pipe, cylinder tube, hydraulic prop tube, fluid pipe, structure pipe, etc. They have passed API 5CT, API 5L, API 5DP, CCS, LR, DNV, ABS, NK, BV, GL, PED, SGS, ISO9001:2000 and ISO14001:2004 certifications. Our hollow section pipes have won widespread praise and recognition by customers.

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