Carbon seamless steel pipe DIN17175 ST35 high quality

Carbon seamless steel pipe DIN17175 ST35 high quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 10000 m.t./month

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1. Commodity Name: Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension:

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

8.packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

9. Surface: painted with varnish;

10. Plastic caps at ends.

11. Tolerance: OD +1%/-1%

WT +12.5%/-10%

12. Chemical composition:

Models of Steel Pipes	Chemical Component
Steel 20 (ASTM A106B)	C	Si	Mn	P	S	Cu	Ni	Cr
Steel 20 (ASTM A106B)	0.17~0.24	0.17~0.37	0.35~0.65	0.035max	0.035max	0.25max	0.25max	0.25max
Steel45 (ASTM 1045)	0.42~0.50	0.17~0.37	0.50~0.80	0.035max	0.035max	0.25max	0.25max	0.25max
16Mn(Q345B)	0.12~0.20	0.20~0.55	1.20~1.60	0.035max	0.035max	0.25max	0.25max	0.25max
45Mn2 ( ASTM1345)	0.42~0.49	0.17~0.37	1.40~1.80	0.035max	0.035max	0.3max	0.3max	0.30max

Q:What are the different methods of bending steel pipes?: There are several methods of bending steel pipes, including manual bending, rotary draw bending, mandrel bending, and hydraulic pipe bending.

Q:Can steel pipes be used for drinking water supply?: Yes, steel pipes can be used for drinking water supply. Steel pipes are commonly used in water distribution systems due to their strength, durability, and ability to withstand high pressures. However, it is important to note that the steel used in these pipes must be specifically designed and approved for potable water applications to ensure that it does not contaminate the water with any harmful substances. Additionally, proper maintenance and regular inspections are necessary to prevent the formation of rust or corrosion, which can affect the quality of the water.

Q:What is the difference between hot-rolled and cold-rolled steel pipes?: The main difference between hot-rolled and cold-rolled steel pipes lies in the manufacturing process. Hot-rolled steel pipes are produced at high temperatures, which results in a rougher surface and less precise dimensions. On the other hand, cold-rolled steel pipes are manufactured at lower temperatures, leading to a smoother surface finish and more accurate measurements. Additionally, the hot-rolling process allows for a wider range of steel grades and sizes, while cold-rolled pipes are generally limited in terms of thickness and diameter.

Q:Are steel pipes suitable for chemical processing plants?: Due to their exceptional strength, durability, and corrosion resistance, steel pipes find common usage in chemical processing plants. Particularly, stainless steel or alloy steel pipes possess the ability to endure high temperatures, pressure, and the corrosive impact of various chemicals. Consequently, they serve as a suitable means for the safe and efficient transportation and containment of diverse chemical substances. Moreover, the installation, maintenance, and repair of steel pipes are hassle-free, rendering them a cost-effective option for chemical processing plants. Nonetheless, it remains crucial to carefully select the appropriate steel type, taking into account factors such as the specific chemicals being processed, operating conditions, and any potential risks or compatibility issues. Regular inspections and maintenance are also vital for ensuring the integrity and performance of steel pipes in chemical processing plants.

Q:What is the difference between steel pipes and cast iron soil pipes?: The main difference between steel pipes and cast iron soil pipes lies in their composition and durability. Steel pipes are primarily made of steel, a strong and versatile material known for its high tensile strength. On the other hand, cast iron soil pipes are made of cast iron, a material known for its excellent corrosion resistance and sound-dampening properties. While steel pipes are more rigid and suitable for carrying pressurized fluids, cast iron soil pipes are designed specifically for wastewater and sewage systems due to their superior resistance to rust and noise reduction qualities.

Q:What are the different coating options available for steel pipes?: Some of the different coating options available for steel pipes include epoxy coatings, polyurethane coatings, fusion-bonded epoxy coatings, zinc coatings, and asphalt coatings.

Q:Can steel pipes be used for wastewater systems?: Yes, steel pipes can be used for wastewater systems. Steel pipes are known for their durability, strength, and resistance to corrosion, which makes them a suitable choice for transporting wastewater.

Q:Can steel pipes be used for underground chemical injection?: Yes, steel pipes can be used for underground chemical injection. Steel pipes are commonly used in various industries for their durability, strength, and resistance to corrosion. When it comes to underground chemical injection, steel pipes offer many advantages. They can withstand high pressure and temperature, making them suitable for transporting and injecting chemicals into the ground. Additionally, steel pipes have excellent chemical resistance, ensuring that they will not react with the injected chemicals and compromise the integrity of the system. However, it is important to select the appropriate grade of steel pipe that is compatible with the specific types of chemicals being injected to ensure optimal performance and longevity. Regular maintenance and inspections should also be carried out to identify any potential corrosion or damage to the pipes, ensuring the safe and efficient operation of the chemical injection system.

Q:How do steel pipes perform in seismic zones?: Steel pipes perform well in seismic zones due to their inherent strength and ductility. Their high tensile strength allows them to withstand the horizontal forces exerted during an earthquake, while their ductility allows them to deform and absorb the energy generated by seismic activity. Additionally, steel pipes can be designed and installed with proper reinforcement and bracing systems to further enhance their performance in seismic zones.

Q:How are steel pipes insulated to prevent heat loss?: Steel pipes are typically insulated using materials such as fiberglass, foam, or mineral wool. These insulation materials are wrapped around the pipes and securely held in place with tapes or clamps. This insulation layer acts as a barrier, reducing heat transfer and preventing heat loss from the steel pipes.

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