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EN 10219-1
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EN 10219-1
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Product Description
Pipes and tubes of non-alloy and fine-grained steels, hollow material for cold-formed welded structures - Part I: Technical Delivery Conditions, which can be formed by bending, crimping and similar processes, are also suitable for welding operations. The carbon steel material grade (chemical composition) of the pipe is categorized into S275NLH and S355NLH, which are manufactured by electric or submerged arc welding process.
Product Size
Outside diameter: 21.3～610mm
Wall thickness: 2.77～40.00mm
End: flat end, beveled or threaded for selection
Length: 3～12 meters or SRL, DRL, double and fixed feet.Packaging
Clear/black paint, hot dip galvanized or anticorrosive treatment (FBE, 3LP, 3LPP) on the outer surface for option, bundled with steel straps.
Chemical composition
C
Mn
P
S
Si
Cr
Cu
Mo
Ni
Nb
Ti
V
Alt
≤，%
≥，%
S275NLH
0.20
0.50～1.40
0.030
0.025
0.40
0.30
0.35
0.10
0.30
0.050
0.030
0.05
0.020
S355NLH
0.18
0.90～1.65
0.030
0.025
0.50
0.30
0.35
0.10
0.50
0.050
0.030
0.12
0.020
Product Mechanical Properties
Tensile strength MPa
Yield strength ≥, MPa
Elongation at break ≥, % -50℃ Impact absorbed work (average)
≥, Jthickness≤16mm
16＜thickness≤40mm
S275NLH
370～540
275
265
24
27
S355NLH
470～630
355
345
22
27
Application range
Typically used in the construction of petroleum and petrochemical refineries, power plants, boilers and ships that transport low-temperature fluids and gases.
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Contact Us
Yantai Pipe industry Co., Ltd.,
E-mail: info@yantaipipe.cn
WhatsApp: 8615653819370
Tel: 0086-535-6281117
Add: No. 161 Changjiang Road, FTZ, Yantai , China