Hebei Lufeng Piping Equipment Co., Ltd.
| Packaging Details | In bundles,in bulk,plastic waterproof package for Q345 seamless alloy steel pipe |
| Place of Origin | Cangzhou, China (Mainland) |
View Detail Information
Explore similar products
4130 Alloy Structural Steel in Construction Materials Seamless Steel Pipes s355
4 Inch Round Mild Steel Cold Drawn Steel Pipe
mild carbon steel pipe
mild steel pipes ! galvaized square steel tube galvanized square tubing product
Product Specification
| Packaging Details | In bundles,in bulk,plastic waterproof package for Q345 seamless alloy steel pipe | Place of Origin | Cangzhou, China (Mainland) |
Q345 seamless alloy steel pipe
(1)Normal size:
| sizes | outer diameter(mm) | thickness(mm) | tolerance(mm) | length(m) |
| round pipe | 20-273 | 0.3-50 | ±0.3 | 3,6,8,12,etc |
| rectangular pipe | 20*30-150*250 | 0.3-12 | ±0.3 | 3,6,8,12,etc |
| square pipe | 20*20-200*200 | 0.3-12 | ±0.3 | 3,6,8,12,etc |
(2) Chemical element:
| Grade | C | Si | Mn | P | S | Al |
| Q345A | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 | Al≥0.015 |
| Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 | Al≥0.015 |
| Q345C | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.030 | ≤0.030 | Al≥0.015 |
| Q345D | ≤0.18 | ≤0.50 | ≤1.70 | ≤0.030 | ≤0.025 | Al≥0.015 |
| Q345E | ≤0.18 | ≤0.50 | ≤1.70 | P≤0.025 | ≤0.020 | Al≥0.015 |
| Grade | Ti | Cr | Ni | Mo | Nb | V |
| Q345A | ≤0.20 | ≤0.30 | ≤0.012 | ≤0.10 | ≤0.07 | ≤0.15 |
| Q345B | ≤0.20 | ≤0.30 | ≤0.012 | ≤0.10 | ≤0.07 | ≤0.15 |
| Q345C | ≤0.20 | ≤0.30 | ≤0.012 | ≤0.10 | ≤0.07 | ≤0.15 |
| Q345D | ≤0.20 | ≤0.30 | ≤0.012 | ≤0.10 | ≤0.07 | ≤0.15 |
| Q345E | ≤0.20 | ≤0.30 | ≤0.012 | ≤0.10 | ≤0.07 | ≤0.15 |
(3) Mechanical properties
| Annealing hardness | Cold pull hardness | Preheating temperature | Quenching temperature | Holding time | Hardening medium | Temper temperature | After tempering hardness | |
| HBS | HBS | ℃ | ℃ | min | ℃ | ≥HRC | ||
| salt-bath furnace | controlled atmosphere furnace | |||||||
| 235 | 262 | 788 | 1191 | 1204 | 5~15 | air cooling | 522 | 60 |
Application
(1) For liquid transportation:water supply,water drainage,sewage treatment,engineering,transmission of mud,sea water.
(2) For gas:gas,steam,liquefied petroleum gas.
(3) For structure:piling pipe,bridge,Dock,road,building structure pipe,Marine piling pipe.
Company Information
Operation Philosophy
Create value for customers, and achieve a win-win situation.
Corporation values
Integrity, innovation, team work and high-quality.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2008
Total Annual:
$1,000,000-$5,000,000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Hebei Lufeng Piping Equipment Co., Ltd. is ISO 9001 certified exporter & supplier of steel piping materials. We are committed to provide customers quality products with competitive prices and efficiency service. Established in 2008, our experienced and friendly staffs are dedic... Hebei Lufeng Piping Equipment Co., Ltd. is ISO 9001 certified exporter & supplier of steel piping materials. We are committed to provide customers quality products with competitive prices and efficiency service. Established in 2008, our experienced and friendly staffs are dedic...
Get in touch with us
Leave a Message, we will call you back quickly!