The carbon steel seamless steel pipe sold by our company is a type of long strip steel. Steel pipes have a hollow cross-section and are widely used as pipelines for transporting fluids, such as oil, natural gas, coal gas, water, and certain solid materials. Compared with solid steel materials such as round steel, steel pipes have the same bending and torsional strength but are lighter in weight. They are an economical cross-sectional steel material widely used in the manufacture of structural and mechanical parts, such as oil drill rods, automotive transmission shafts, bicycle frames, and steel scaffolding used in construction.
(1) The importance of structure: For important structures such as heavy industrial buildings, large-span structures, high-rise or super high-rise civil buildings or structures, high-quality seamless steel pipes should be considered for selection. For general industrial and civil building structures, ordinary quality seamless steel pipes can be selected according to their working properties.
(2) For structures that directly bear dynamic loads and structures in strong earthquake zones, seamless steel pipes with good comprehensive performance should be selected; Generally, structures that can withstand static loads can choose seamless steel pipes with lower prices.
(3) The welding process of the connection method may result in welding deformation, welding stress, and other welding defects, which pose a risk of causing cracks or brittle fracture in the structure. Therefore, the material requirements for welding structures should be stricter.
(4) The temperature and environment in which the structure is located make seamless steel pipes prone to cold brittleness at low temperatures. Therefore, for structures working under low temperature conditions, especially welded structures, killed steel with good resistance to low-temperature brittle fracture should be selected. In addition, Taiyuan seamless steel pipes with open-air structures are prone to aging, and seamless steel pipes with harmful media are prone to corrosion, fatigue, and fracture, so different materials should be selected accordingly.
(5) The thickness of seamless steel pipes is too high. Thin seamless steel pipes have more rolling times and a higher compression ratio during rolling, while thicker seamless steel pipes have a lower compression ratio. Therefore, thicker precision steel pipes not only have lower strength, but also poorer plasticity, impact toughness, and welding performance. Therefore, thick welded structures should use seamless steel pipes with better materials.
Product measurement
Specification of Seamless carbon steel pipe:
1) Standard: DIN, ASTM, API, JIS, GB
2) Wall Thickness: from 2.11mm
3) Outer Diameter: from 21.3mm
4) Grade:10#, 20#, 45#, Q345, ST35.8, ST37, ST42, ST45, ST52, API 5L /GR.B-X60, API 5CT /J55 K55 N80, A53, A106, A192, A179, A210, and etc.
5) Process Method:hot rolling or cold drawn.
6) Surface Coating:varnish painted on pipe(black painting),anti-corrosion oil,galvanized,or painting as customer's request.
Standards of Chinese Seamless Carbon Steel Pipe:
Chinese Standard Standard Steel Grade structural seamless pipe GB/T 8162-1999 20Cr, 30Cr, 35Cr, 20CrMo, 35CrMo, 12CrMoV cold drawn precision seamless pipe GB/T 3639-2000 10, 20, 35, 40 seamless pipe for liquid conveyance GB/T 8163-1999 10, 20 seamless low and medium carbon steel boiler pipe for pressure service GB 3087-99 10, 20 seamless carbon steel boiler pipe for hgih pressure service GB 5310-1995 20G, 12Cr1MoG, 12Cr1MoVG, 15MoG, 15CrMoG, 20MoG seamless steel pipe for high-pressure fertilizer equipment GB 6479-2000 10, 20, 16Mn, 12CrMo, 15CrMo seamless oil cracking pipe GB 9948-2006 10, 20, 12CrMo, 15CrMo
Standards of The Europe Seamless Carbon Steel Pipe:
Europe Standard
|
Standard
|
Steel Grade
|
seamless steel pipe for pressure service |
DIN EN 10216-1 |
P195TR1 1.0107, P235TR1 1.0254, P265TR1 1.0258 |
DIN EN 10216-2 |
16Mo3 1.5415, 10CrMo5-5 1.7338, 13CrMo4-5 1.7336 |
seamless steel pipe for mechanical and engineer service |
DIN EN 10297-1 |
E235 1.0308, E275 1.0225, E315 1.0236, C22E 1.1151 |
seamless steel pipe for high temperature service |
DIN 17175 |
ST35.8, ST45.8, 15Mo3, 13 CrMo44 |
DIN 1629 |
ST37.0, ST 44.0 |
Standard of the US Europe Seamless Carbon Steel Pipe:
American Standard |
Standard |
Steel Grade |
carbon steel black seamless pipe |
ASME SA-535A-53M |
Grade A, Grade B |
seamless carbon steel pipe for high temperature service |
ASME SA-106 |
Grade A, Grade B, Grade C |
seamless cold drawn low carbon steel head-exchanger and cordenser pipe |
ASME SA-179/ ASME SA-179M |
|
Grade\ Elements |
C(max) |
si(max) |
Mn |
P |
S(max) |
ST35 |
0.17 |
0.35 |
≥0.40 |
0.025 |
0.025 |
ST42 |
0.21 |
0.35 |
≥0.40 |
0.025 |
0.025 |
ST52 |
0.22 |
0.55 |
≥1.60 |
0.025 |
0.025 |
Shipping
Shipped in 7 days after payment.
Production workshop
Related products
1.We are exporters and manufacturers of high-quality metal products in China.
2. We can provide a complete set of metal products for different markets.
3. We have the ability to serve customers with the most reliable quality and reasonable prices.
4. We can OEM and produce products based on the given design, and mass produce the designed goods.
5. We regularly export to buyers around the world. These products are widely popular in the market.
6. We hope to win more customers with high-quality products and reasonable prices.
20Gp - 2.352(width) *2.385 ( Height ) * 5.90 ( Inside length ) Meter |
40Gp - 2.352(width) *2.385 ( Height ) * 11.8 ( Inside length ) Meter |
40HQ - 2.352(width) *2.69 ( Width ) * 5.90 ( Inside length ) Meter |
How to make the order ?
Δ First step , Please contact with our sales team , talked about the cargo details , if need sample , we can supply the sample for
free ;
Δ If the sample can reach to requirement , the client can sign the contract with our company;
Δ Before shipment , client can inspect the cargo loading and seal the container , we also can accept inspection of the third party ( Such as SGS ,BV etc ) ;
Δ After 5 days of shipment , we will send the documents of customs clearance to you ;
Δ After get the cargo , please give feedback to us ;
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