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Q355 High Pressure Seamless Carbon Steel Pipe Galvanized 1250mm Width
Place of Origin | China |
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Brand Name | TISCO BAOSTEEL |
Certification | SGS BV |
Model Number | Carbon Steel Sheet |
Minimum Order Quantity | 1 ton |
Price | To be negotiated |
Packaging Details | Kraft paper, wooden case, packaging according to customer requirements |
Delivery Time | 10-15 days after advance payment |
Payment Terms | L/C, T/T |
Supply Ability | 8,000 ton per month |

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xName | Seamless Pipe Carbon Steel And Tube Hot Sale High Quality Q355 Carbon Steel Seamless Pipe | Length | 1000-12000mm,As Customers' Requirement |
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Thickness | 0.5-100mm,6-400mm,1mm-120mm,0.15mm-300mm | Width | 600-2500mm,600mm-1250mm,1.8m,305mm/355mm/455mm/510mm |
Surface | Galvanized Coated,Black Painted,PE Coated,Black Painting Or Galvanized,etc. | Material | A36 A283 A387 1008 4320 SS400 S235jr |
High Light | High Pressure Seamless Steel Pipe,Q355 Seamless carbon Pipe,seamless galvanized steel pipe |
Seamless Pipe carbon Steel and Tube Hot Sale High Quality Q355 Carbon Steel Seamless Pipe
Q355 Steel (Q355B Q355C Q355D)
Q355 steel is a Chinese low alloy high strength structural steel, which replaced Q345, the material density is 7.85 g/cm3. According to GB/T 1591 -2018, Q355 has 3 quality levels: Q355B, Q355C and Q355D. “Q” is the first letter of Chinese Pinyin: “qu fu dian”, which means Yield Strength, “355” is the minimum value of yield strength 355 MPa for steel thickness ≤16mm, and tensile strength is 470-630 Mpa.
Q355 Steel Chemical Composition (Hot rolled)
Steel Grade | Quality Grade | C % (≤) | Si % (≤) | Mn (≤) | P (≤) | S (≤) | Cr (≤) | Ni (≤) | Cu (≤) | N (≤) |
Q355 | Q355B | 0.24 | 0.55 | 1.6 | 0.035 | 0.035 | 0.30 | 0.30 | 0.40 | 0.012 |
Q355C | 0.20 | 0.030 | 0.030 | 0.012 | ||||||
Q355D | 0.20 | 0.025 | 0.025 | – |
Carbon Equivalent (CEV)
Based on smelting analysis, steel delivered in hot rolled state.
CEV (Mass fraction ≤%); Nominal thickness or diameter (d) | ||||||
Steel Grade | Quality Grade | ≤ 30 | 30 < d ≤ 63 | 63 < d ≤ 150 | 150 < d ≤ 250 | 250 < d ≤ 400 |
Q355 | Q355B | 0.45 (CEV) | 0.47 | 0.47 | 0.49 | – |
Q355C | – | |||||
Q355D |
0.49 |
Q355 Mechanical Properties (Hot rolled)
Notes:
1 MPa = 1 N/mm2
1 GPa = 1 kN/mm2
Yield Strength (≥N/mm2), Thickness or Dia. (d) in mm | ||||||||||
Steel Grade | Quality Level | d≤16 | 16< d ≤40 | 40 < d ≤63 | 63 < d ≤ 80 | 80< d ≤ 100 | 100< d≤ 150 | 150 < d≤ 200 | 200 < d ≤ 250 | 250 < d ≤ 400 |
Q355 | Q355B | 355 | 345 | 335 | 325 | 315 | 295 | 285 | 275 | – |
Q355C | – | |||||||||
Q355D | 265 |
Tensile Strength (N/mm2), Dia. (d) mm | |||||
Steel Grade | Quality Level | d≤100 | 100 < d ≤ 150 | 150 < d ≤ 250 | 250 < d ≤ 400 |
Q355 | Q355B | 470 – 630 | 450 – 600 | 450 – 600 | – |
Q355C | – | ||||
Q355D | 450 – 600 |
Q355 Steel Elongation
Dia. (d) mm; Elongation (%) | ||||||
Sample direction | d≤40 | 40 < d ≤ 63 | 63 < d ≤ 100 | 100 < d ≤ 150 | 150 < d≤ 200 | 250 < d ≤ 400 |
Horizontal | 20 | 19 | 18 | 18 | 17 | 17 |
Vertical | 22 | 21 | 20 | 18 | 17 | 17 |
Payment Terms
1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.
2.MOQ: 1pcs
3.Warranty : 3 years
4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)
2)as customer's requirement
Why choose us?
(1) The leading exporter in China special steel industry.
(2) Large stocks for various sizes, fast delivery date.
(3) Good business relationship with China famous factories.
(4) More than 7 years steel exporting experience.
(5) Good after-sales service guarantee.