DIN 17100 St44-2 LSAW Welded Steel Pipe
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DIN 17100 St44-2 LSAW Welded Steel Pipe

DIN 17100 St44-2 straight seam submerged arc welded steel pipe is a structural welded pipe with good weldability and medium strength.
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Product Introduction

What is DIN 17100 material?
DIN 17100 Steel pipe is used to build bridges, shipbuilding which requires high strength. DIN 17100 ST 52.3 is a kind of carbon and low alloy steel.

DIN 17100 St44-2 is a German standard non-alloy structural steel commonly used to manufacture longitudinal submerged arc welded steel pipes. This steel pipe has medium strength and good weldability, making it suitable for a variety of applications.
The chemical composition of DIN 17100 St44-2 LSAW Carbon Steel tube is mainly carbon (C), silicon (Si), manganese (Mn), phosphorus (P) and sulfur (S), of which the carbon content is low, usually 0.17 Between %-0.24%. This lower carbon content helps ensure good weldability and toughness of the steel.
The yield strength of St44-2 St44-2 LSAW pipe is usually around 235MPa, and the tensile strength is between 360-510MPa. It has good ductility and toughness, allowing the manufactured longitudinal submerged arc welded steel pipes to withstand large external forces and deformations.

 

DIN 17100  LSAW pipe Chemical Composition 

Grade
C
for product thickness in mm
P S N Cr Mo
St44-2
≤16 16-32 30-40 40-63 63-100 ≥100
≤0.21 .≤0.21 ≤0.21 ≤0.22 ≤0.22 -
≤0.050 ≤0.050 0.090 - -

thin-wall straight seam pipe

Straight carbon steel pipe

DIN 17100 St44-2 LSAW pipe Mechanical Property

Grade

Yield Strength

(for product thickness in mm)

Tensile Strength

(for product thickness in mm)

St44-2

≤3 3-100 ≥100
430-580 410-540 -
≤16 16-40 40-63 63-80 80-100 ≥100
275 265 255 245 235 -

 

Delivery Detail;15-30 Days After Down Payment
Thickness;3-50mm
Length;1-12m
Specification;1000-2000mm

 

Gnee steel pipes are widely used in high, medium and low pressure fluid transportation pipelines such as oil, natural gas, water, steam, and gas, as well as structural steel pipes for piling, bridges, buildings, etc. Exported to more than 80 regions including Southeast Asia, the Middle East, South America, Africa, North America, and Europe.

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ERW Carbon Steel Pipes

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