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DIN 1629 Structural Seamless Tube
DIN 1629 Structural Seamless Tube
DIN 1629 Structural Seamless Tube
DIN 1629 Structural Seamless Tube
DIN 1629 Structural Seamless Tube
DIN 1629 Structural Seamless Tube
DIN 1629 Structural Seamless Tube
DIN 1629 Structural Seamless Tube

DIN 1629 Structural Seamless Tube

DIN 1629 structural seamless pipe is a seamless steel pipe produced in accordance with German industrial standards. It is mainly used to manufacture pipelines, containers, equipment, pipe fittings and steel structures.
standard:DIN
Surface :1. Galvanized 2. Black and Color Painting
introduction
Data table
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introduction
DIN 1629 standard applies to seamless round steel pipes for general purposes, mainly used in machinery manufacturing and general structural purposes.
Common material grades of DIN 1629 structural steel pipes include St37.0, St44.0, St52.0, etc.
DIN 1629 lowstructural steel pipe is widely used in the fields of petroleum, natural gas, chemical industry, electric power, construction, etc., for the manufacture of piping systems, containers, storage tanks, boilers, heat exchangers and other equipment, as well as for the construction of structural engineering such as bridges and steel structure buildings.
Data table

DIN 1629 Specification for Seamless Circular Unalloyed Steel Tubes

Material:

DIN 1629

Size

Outer Diameter

Seamless:17-914mm 3/8"-36"

Wall Thickness

2-60mm SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80

Length

1-12m as customer requirement

Ends

Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded andcoupling,etc.

Surface Treatment

Bare,Painting black,varnished,galvanized,anti-corrosion 3PE PP/EP/FBE coating

Technical Methods

Hot-rolled/Cold-drawn/Hot-expanded

Chemical composition:

Steel Grade Type of deoxidization
(R, killed (including semi-killed)) (RR,fully killed)
Chemical Composition, % by mass
Symbol Material Number C P S N¹) Addition of nitrogen fixing elements
(e.g.not less than 0,020% Al total
St37.0 1.0254 R 0.17 0.040 0.040 0.009²) -
St44.0 1.0255 R 0.21 0.040 0.040 0.009²) -
St52.0³) 1.0421 RR 0.22 0.040 0.035 - Yes

Mechanical properties:

Steel Grade Upper Yield Stress ReH
for wall thickness, in mm,
Tensile strength
Rm
N/mm²
Elongation(%) A5
Symbol Material Number up to 16 over 16 up to 40 over 40 up to 65 Longitudinal Transverse
St 37.0 1.0254 235 225 216 350²) to 480 25 23
St 44.0 1.0256 275¹) 265¹) 255¹) 420²) to 550 21 19
St 52.0 1.0421 355 345 335 500²) to 650 21 19
company advantage

Why Choose GNEE

GNEE has been specialized in producing steel pipes for more than 16 years and has rich experience. The factory has professional technicians and engineers, professional testing equipment, and rich delivery experience.
We have cooperative customers for more than 10 years. For common sizes, we have stocks, so we can deliver quickly. Guarantee the quality and quantity of the products and guarantee the delivery time. The annual steel pipe output is 300,000 tons
If you would like to know more about our company or our products, please feel free to contact us.








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