What are the main uses of Q235 steel?
Factory buildings, supports, bridges, towers, containers, sheet metal.
Can it be used for pressure vessels?
Yes, for low-pressure, non-flammable media, but not for high-pressure applications.
Can Q235 be used for molds?
No, it's not suitable due to insufficient strength and hardness.
What's the difference between Q235 and Q355?
Q355 has higher strength and is more expensive.
What's the difference between Q235 and 45# steel?
45# is medium carbon steel, with high strength and can be tempered; Q235 is better for welding.