Carbon Steel Pipe
DIN 1629 seamless steel pipe has three main grades of St37.0, St44.0, St52.0. Generally, the DIN 1629 standard is not limited to the working pressure value, and the working temperature is limited to below 300 ℃.
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DIN 1629 seamless steel pipe its main grades are St37.0, St44.0, St52.0, DIN 1629. Generally, the DIN 1629 standard is not limited to the working pressure value, and the working temperature is limited to below 300 ℃.
Product Parameters
Product Name DIN 1629 Seamless Steel Pipe Standard EN/DIN/JIS/ASTM/BS/ASME/AISI etc. Outer Diameter Seamless: 1/4"-36" Welding: 21.3mm-3620mm Round Tube: 1/2"-10" Square Tube/Rectangular Tube: 15x15mm-400x600mm Wall Thickness Seamless: 1.25mm-50mm Welding: 1.65mm-65mm Length 3-12 meters, Support customization Surface Process Bright, Polished, Black Other Services Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.
Chemical Composition
Grade Materials No. Deoxidation Yype C P S N¹) St37 1.0254 R 0.17 0.040 0.040 0.009 ²) St44 1.0255 R 0.21 0.040 0.040 0.009 ²) St52 1.0421 RR 0.22 0.040 0.035 -
Mechanical Properties
DIN 1629 Yield Strength(Wall Thickness/mm) Tensile Strength N/² mm Elongation(%) A5 Grade Material No. <16 16-40 40-65 Vertical Transverse St37 1.0254 235 225 216 350²) to 480 25 23 St44 1.0256 275 265 ¹) 255 ¹) 420²) to 550 21 19 St52 1.0421 355 345 335 500²) to 650 21 19
Scope of Application
Seamless steel pipe applications are: chemical plants, vessels, pipeline engineering and general mechanical engineering.
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The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.
You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can choose other ports according to your needs.
Prices vary from period to period due to cyclical changes in the price of raw materials.
We have ISO 9001, SGS, EWC and other certifications.
In general, our delivery time is within 30-45 days, and may be delayed if the demand is extremely large or special circumstances occur.