Structural Tube, Seamless Steel Tubes For Structural Purposes is made by heating a high-grade carbon steel billet to a suitably high temperature and then entering a hot rolling mill. Under the pressure of the mill, the billet undergoes plastic deformation to form seamless steel pipe. This process refines the internal structure and improves strength and toughness for a wide range of applications, making structural tubes ideal for building solid, reliable projects.
Email:
sales@imristeel.com
Phone:
+86 13646172523
| Standard: | GB/T 8162 ASTM A53 EN10210 JIS G 3444 | Grade: | 10 20 45 Q195 Q345 Q390 Q420 42CrMo 16Mn 27SiMn 12CrMoV etc. | Thickness: | 2.9-60mm |
| section shape: | Round | Outer Diameter: | Ф38-457 | Place of origin:
| Baotou, China(Mainland) |
| Application: | Construction, Petrochemicals | Technique: | Hot Rolled, Seamless | Certification: | API |
| Surface Treatmen: | According to customers request | Alloy Or Not: | Both | length: | 1-12m |
| Supply Ability: | ( 180.0000 )Ton/Tons per year | End: | Bevel; plain | Specification: | steel pipe |
| Brand: | Baotou steel | Technique: | seamless | Finish: | Hot Rolled |
| Grade | C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | N d | Mo | B | Alse |
| Not more than | Not less than | ||||||||||||||
| Q345 A | 0.20
| 0.50 | 1.70 | 0.035 | 0.035 | – | – | – | 0.30 | 0.50 | 0.20 | 0.012
| 0.10 | – | – |
| Q345 B | 0.035 | 0.035 | |||||||||||||
| Q345 C | 0.030 | 0.030 | 0.07 | 0.15 | 0.20 | 0.015 | |||||||||
| Q345 D | 0.18 | 0.030 | 0.025 | ||||||||||||
| Q345 E | 0.025 | 0.020 | |||||||||||||
| Q390 A | 0.20
| 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.20 | 0.20 | 0.30 | 0.50 | 0.20 | 0.015 | 0.10 | – | – |
| Q390 B | 0.035 | 0.035 | |||||||||||||
| Q390 C | 0.030 | 0.030 | 0.015 | ||||||||||||
| Q390 D | 0.030 | 0.025 | |||||||||||||
| Q390 E | 0.025 | 0.020 | |||||||||||||
| Q420 A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.20 | 0.20 | 0.30 | 0.80 | 0.20 | 0.015 | 0.20 | – | – |
| Q420 B | 0.035 | 0.035 | |||||||||||||
| Q420 C | 0.030 | 0.030 | 0.015 | ||||||||||||
| Q420 D | 0.030 | 0.025 | |||||||||||||
| Q420 E | 0.025 | 0.020 | |||||||||||||
| Steel grade | Tensile strength Rm/MPa | Lower yield strength ReL a/MPa | Elongation after breakingb A% | ||||
| Nominal wallthickness S/mm | |||||||
| ≤16 | >16~30 | >30 | |||||
| Not less than | |||||||
| Q345 A | 470～630 | 345 | 325 | 295 | 20 | ||
| Q345 B | |||||||
| Q345 C | 21 | ||||||
| Q345 D | |||||||
| Q345 E | |||||||
| Q390 A | 490～650 | 390 | 370 | 350 | 18 | ||
| Q390 B | |||||||
| Q390 C | 19 | ||||||
| Q390 D | |||||||
| Q390 E | |||||||
| Q420 A | 520～680 | 420 | 400 | 380 | 18 | ||
| Q420 B | |||||||
| Q420 C | 19 | ||||||
| Q420 D | |||||||
| Q420 E | |||||||
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· Packaging Details: Bundles wrapped with strong steel trips, caps on two ends of every pipe or according to customers’ requirements.
· Port: Tianjin Port
· Lead Time: Within 20-30 days depends on the order quantit
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· Minimum order quantity: 5 tons
· Price: FOB or CIF or CFR at Xin’gang port in Tianjin
· Payment: 30% deposit in advance, the balance against the copy of B/L; or 100% L/C, etc
· Lead Time: within 10-25 workdays normally
· Packing: Standard seaworthy packing or as per your request .(as pictures)
· Sample: Free sample is available.
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