
DIN 2391 ST35 Carbon Steel Pipes
Standard:DIN 2391
Grade:ST35
Size :OD (4-190mm) x WT (0.5-15mm)
Outer Dimensions:4.0mm – 60.0mm
Wall Thickness:0.5mm – 8 mm
Length:max 6000mm
Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of din 2391 st35 carbon steel pipes in China, also supports customized service with low price. Welcome to wholesale discount din 2391 st35 carbon steel pipes for sale here from our factory. Contact us for free sample.
DIN 2391 ST35 Carbon Steel Pipes
According to DIN 2391 specifications, the chemical composition of ST35 steel pipes mainly includes 0.17% carbon, 0.35% silicon and at least 0.40% manganese. In addition, the pipeline has a phosphorus and sulfur content of 0.025% each. Its outer diameter ranges from 4 mm to 60 mm.
ST35 carbon tubes are widely used in high-temperature and high-pressure applications in oil and gas, petrochemical, and other industries. These pipes come in a variety of sizes and shapes, including round, square and U-shaped, and offer excellent strength and corrosion resistance. They usually have a seamless surface finish and are used in a wide range of applications.
ST35 carbon steel pipe is one of the ideal choices for low-cost, low-corrosion pipelines. It has strong tensile strength and yield strength and can be made into round, square or oval tubes to meet a variety of different application needs.
Product Properties
DIN 2391 ST35 Carbon Steel Pipes Chemical Composition :
| Standard | Grade | C | Si | Mn | P max | S max |
| DIN2391 | St35 | ≤0.17 | ≤0.35 | ≥0.4 | 0.025 | 0.025 |
ST 35 Steel Grade Pipe Wall Thickness
| Outer diameter and wall Thickness | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Execution | Size Range | OD Tolerance | Wall tolerance | ||||||
| Hot-rolled Tube | OD – 80 mmOD > 80 mmWall < 12 mmWall - 12 mm | ± 0.4 mm± 0.5 % of OD | ± 0.7 mm± (5 % x wallthickness + 0.1 mm | ||||||
| Hot-rolled peeled tube | All sizesWall < 12 mmWall - 12 mm | + 0.25/- 0 mm | ± 0.8 mm± (5 % x wall thickness+ 0.2 mm) | ||||||
| Cold Worked tubecold-rolled or cold-drawn | OD < 40 mmOD 40 - 80 mmOD > 80 Wall Thickness< 6 mm Wall Thickness6 - 8 mm Wall Thickness > 8 | + 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm* | ± 0.30 mm± 0.35 mm± 0.40 mm | ||||||
DIN 2391 St35 Carbon Steel Seamless Pipe

Company Advantage
Our company has unique competitive advantages, which are mainly reflected in the following aspects: First, we have highly automated modern production equipment to ensure high-quality steel pipe manufacturing. Secondly, we have an extensive product line covering a variety of specifications and uses to meet the needs of different customers.
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Factory environment

FAQ
Q.How can I get a quotation from you?
A.You can leave us message, and we will reply every message in time.Or we may talk onine by trade manaqer. And you can also find our contact information on contact page.
Q.Can you arrange delivery?
A.Of course we can, we have regular freight forwarders and can get the best price from most shipping companies and provide professional service.
Q.What is the material of ST 35 pipe?
A.The DIN 2391 St35 Pipe is designed with a chemical composition of 0.17% carbon, 0.35 of silicon, minimum 0.40% of manganese, 0.025 of phosphorous and sulfur.
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