The EN10219-1 steel pipes supplied by GNEE use high-quality carbon steel as raw material and adopt longitudinal submerged arc welding process to ensure the quality of the weld and improve the overall performance of the steel pipe.

standard:ASTM

Surface :1. Galvanized 2. Black and Color Painting

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introduction

‌EN10219-1 LSAW carbon steel pipe‌ is a hollow structural profile made by cold forming welding technology, suitable for buildings such as houses, civil engineering and other load-bearing structures without subsequent heat treatment.
EN10219-2006 Non-alloy steel and fine grain structural steel cold formed welded hollow steel pipe (LSAW straight seam submerged arc welded steel pipe) Main materials S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H, S275NH, S275NLH, S355NH, S355NLH, S420MH, S420MLH, S460MH, S460MLH, S460NH, S460NLH.

Data table

EN 10219 Welded Steel Pipe Specification Standard

Standard	ASTM, ASME, JIS, AISI, AMS, EN, SAE, DIN, NF, TOCT, DS, DTD, GB
Outer Dimensions	4.0mm – 60.0mm
size	5.0 - 1219.2 mm
Swg & Bwg	10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
Length	Single Random, Double Random, Standard & Cut length Pipe
Finish	Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF, NO.1, NO.4, 2B, BA, HL, 8K, Mirror finish, etc
End	Plain End, Beveled End, Treaded Pipe, Screwed ends

Numbers and letters in EN10219-2006 standard
S: Structural steel
Number after S: Minimum yield strength (wall thickness ≤ 16mm)
JR: Impact test at room temperature ≥ 27J
J0: Impact test at 0 degrees Celsius ≥ 27J
J2: Impact test at -20 degrees Celsius ≥ 27J
K2: Impact test at -20 degrees Celsius ≥ 40J
N: Normalizing or normalizing rolling (fine grain steel, impact test must be done, minimum temperature -20 degrees Celsius ≥ 40J)
M: Thermomechanical controlled rolling (impact test must be done, minimum temperature -20 degrees Celsius ≥ 40J)
L: Impact test at -50 degrees Celsius ≥ 27J
H: Hollow profile

company advantage

Why Choose GNEE

GNEE introduced JCOE production technology, and all production equipment is produced by domestic manufacturers. It specializes in the production of large-diameter straight seam double-sided submerged arc welded steel pipes. The production line adopts full-line PID automatic control continuous J-C-O forming process, which has fast speed, high quality, uniform forming stress distribution, regular pipe shape, and annual export volume of about 1 million tons.
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A: Yes, of course, we are honored to provide you with samples,
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A: We accept T/T, L/C at sight, etc.