20# Seamless steel black pipe ASTM A106/API 5L/ASTM A106 GR.B
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 1000 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 |
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 type of steel pipe dance is used in general?
- The steel pipe fittings used in the pipe dance are made of smooth surface material, usually chrome or polished by steel or iron.
- Q: How are steel pipes used in the automotive manufacturing industry?
- Steel pipes are commonly used in the automotive manufacturing industry for various purposes such as exhaust systems, fuel lines, and structural components. They provide durability, strength, and resistance to high temperatures, making them ideal for these applications.
- Q: How do you calculate the pipe thermal expansion for steel pipes?
- To calculate the thermal expansion of steel pipes, you can use the formula: ΔL = α * L * ΔT, where ΔL represents the change in length, α is the coefficient of thermal expansion for steel, L is the original length of the pipe, and ΔT is the change in temperature.
- Q: Can steel pipes be used in the oil and gas industry?
- Indeed, the oil and gas industry commonly utilizes steel pipes. Renowned for their robustness, longevity, and resistance to corrosion, steel pipes are well-suited for the transportation and storage of diverse fluids and gases within this sector. They possess the ability to endure high pressure and extreme temperatures, which are frequently encountered during oil and gas operations. Moreover, the ease with which steel pipes can be welded together facilitates efficient assembly and maintenance. Consequently, steel pipes represent a dependable and economically sound option for the oil and gas industry.
- Q: Are steel pipes suitable for underground chemical transport?
- No, steel pipes are not suitable for underground chemical transport as they can corrode and react with certain chemicals, posing safety risks and potentially contaminating the transported substances.
- Q: What connections are there for concrete filled steel tubular column foundations?
- The Liang Duan local widening joint is achieved by the continuous construction of longitudinal steel bars around the steel tube. At the beginning of the creation of additional stirrups should be widened longitudinal reinforced wrap, Liang Duan local widened joints of steel reinforced concrete beam and corbel overlapping transition zone can transmits beam internal force, bending steel bracket in both shear and participation. The node form is used in building engineering in Xiamen. The force transfer path of this joint is clear and reliable, with less welding on site and more convenient for construction. This kind of node passes shear stress through the bracket, and the stress is more concentrated.
- Q: What are the different types of coatings applied to steel pipes?
- There are several types of coatings that can be applied to steel pipes, including epoxy, polyethylene, fusion bonded epoxy (FBE), and zinc coatings. These coatings provide protection against corrosion, abrasion, and chemical damage, ensuring the longevity and durability of the steel pipes in various applications.
- Q: How are steel pipes used in railway infrastructure?
- Steel pipes are used in railway infrastructure for various purposes such as constructing bridges, tunnels, and track supports. They are also used for drainage systems, signaling and telecommunication cables, and as conduits for electrical wiring.
- Q: Is the electric pipe used with steel pipe or PVC pipe?
- Electric pipe laying is generally divided into the following circumstances:1) the explosion-proof area must be galvanized steel pipe and explosion proof flexible pipe (used for front end equipment connection);2) non explosion-proof area can use KBG pipe or PVC tube, the former is higher cost, but the installation is firm, the latter is low cost, easy to construction, and in the rain where it will not rust, but compared to the KBG pipe may be damaged.
- Q: How are steel pipes protected against fire?
- Steel pipes are protected against fire through various methods such as applying intumescent coatings, using fire-resistant insulation, or encasing them in fire-rated enclosures. These measures help to delay the heat transfer and maintain the structural integrity of the pipes during a fire, allowing them to withstand high temperatures and prevent the spread of fire.
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20# Seamless steel black pipe ASTM A106/API 5L/ASTM A106 GR.B
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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