What Is Q345D Seamless Steel Pipe
Q345D A kind of steel pipe material. Q represents the yield of this material, and the 345 behind refers to the yield value of this material, which is about 345. The yield value will decrease with the increase of the thickness of the material.
Mechanical Properties of Q345D Seamless Steel Pipe
| Model Number | Q345D Seamless Steel Pipe |
| Executive Standard | GB/T1591-2008 |
| Delivery Status | Can Obtain Different Hardness And Strength Through Heat Treatment Process, Common Treatment Methods Include Quenching, Tempering And So On. |
| Yield Strength |
≤16mm：≥345;16-40mm：≥335;40-63mm：≥325;63-80mm：≥315; 80-100mm：≥305;100-150mm：≥285;150-200mm：≥275;200-250：≥275MPa |
| Tensile Strength | 450-630MPa |
| Elongation After Fracture | 21% |
Chemical Composition of Q345D Seamless Steel Pipe
| Q345D Seamless Steel Pipe | |
|---|---|
| C | 0.85～0.95 |
| Si | 0.10～0.35 |
| Mn | 0.10～0.50 |
| P | ≤0.03 |
| S | ≤0.03 |
Products Characteristics
Q345A, Q345B, Q345C, Q345D, Q345E This is the distinction of quality grades, from A to E, mainly due to the difference in the impact temperature caused by the different content of phosphorus and sulfur and other micro-elements, representing the impact temperature is different and the mechanical properties of the chemical composition.
01
High strength
02
Good plasticity and toughness
03
Good weldability
04
Good corrosion resistance
Product Parameter
| Material | Q345D Seamless Steel Pipe |
| Thickness | 3mm -25 mm |
Surface Treatment |
With anti-rust painting. |
| Length | 1500 mm - 12000mm |
| Application | Q345D seamless steel pipe is mainly used in ships, boilers, pressure vessels, oil storage tanks, Bridges, power plant equipment, lifting and transportation machinery and other high load welded structural parts. |
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Product Packaging
We use standard export transportation packaging and bundle steel strips according to the size of carbon steel plates. According to our shipping experience, a 20-foot container can hold 22 tons of carbon steel, and a 40-foot container can hold 25 tons of carbon steel. For larger orders, we use bulk carriers to transport them for you at a cheaper price. In addition, we can customize packaging according to customer needs.
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Our Advantages
Our main products are stainless steel plate/sheet, coil, round/square tube, bar, nickel alloy and so on. Factory test certification is provided at the time of shipment, and third-party inspection is possible. We are also certified by ISO, SGS and Alibaba. We have many professionals, technicians, more competitive prices than other stainless steel companies and the best after-sales service. And exports to more than 50 countries, mainly from the United States, Russia, the United Kingdom, Kuwait, Egypt, Turkey, Jordan, India and so on.
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