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| Brand Name: | TORICH |
| Model Number: | GB/T 31941 |
| MOQ: | 1Ton |
| Price: | Negotiable |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 60000 Ton/Tons per Year |
The GB/T 31941 Q205HD; Q230HD; Q250HD; Q275HD; Q345HD1 standard specifies the requirements for welded carbon steel and alloy steel pipes used in non-nuclear ety class applications within nuclear power plants. These pipes are designed to withstand high-pressure and high-temperature conditions, ensuring the e and efficient operation of nuclear power plants.
The material used in the production of GB/T 31941 Q205HD; Q230HD; Q250HD; Q275HD; Q345HD1 welded steel tubes is carbon steel and alloy steel. The specification outlines the following key features:
The chemical composition of the GB/T 31941 Q205HD; Q230HD; Q250HD; Q275HD; Q345HD1 welded steel tubes is as follows:
| Steel Grade | Chemical Composition (%) |
|---|---|
| Q205HD | C: ≤0.12, Si: ≤0.30, Mn: ≤0.50, P: ≤0.035, S: ≤0.035 |
| Q230HD | C: ≤0.18, Si: ≤0.30, Mn: ≤0.50, P: ≤0.035, S: ≤0.035 |
| Q250HD | C: ≤0.22, Si: ≤0.30, Mn: ≤0.50, P: ≤0.035, S: ≤0.035 |
| Q275HD | C: ≤0.28, Si: ≤0.30, Mn: ≤0.50, P: ≤0.035, S: ≤0.035 |
| Q345HD1 | C: ≤0.20, Si: ≤0.55, Mn: ≤1.00, P: ≤0.035, S: ≤0.035 |
The mechanical properties of the GB/T 31941 Q205HD; Q230HD; Q250HD; Q275HD; Q345HD1 welded steel tubes are as follows:
| Steel Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| Q205HD | ≥315 | ≥205 | ≥33 |
| Q230HD | ≥375 | ≥230 | ≥26 |
| Q250HD | ≥390 | ≥250 | ≥24 |
| Q275HD | ≥410 | ≥275 | ≥22 |
| Q345HD1 | ≥490 | ≥345 | ≥21 |
The GB/T 31941 Q205HD; Q230HD; Q250HD; Q275HD; Q345HD1 welded steel tubes are available in different steel grades, each suitable for specific applications within nuclear power plants. The steel grades and their corresponding applications are as follows:
While the GB/T 31941 Q205HD; Q230HD; Q250HD; Q275HD; Q345HD1 welded steel tubes are specifically designed for nuclear power plant applications, there may be alternative grades available depending on specific project requirements. It is essential to consult with experts and adhere to relevant standards and regulations when considering alternative grades.
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
