Carbon steel pipe is made of ingot or solid round steel through perforation to make a tube, and then hot rolled, cold rolled or cold drawn to make.

Carbon steel pipe is made of ingot or solid round steel through perforation to make a tube, and then hot rolled, cold rolled or cold drawn to make.

Carbon steel pipe is made of ingot or solid round steel through perforation to make a tube, and then hot rolled, cold rolled or cold drawn to make.

Carbon steel pipe is made of ingot or solid round steel through perforation to make a tube, and then hot rolled, cold rolled or cold drawn to make.

Hastelloy is a kind of nickel-based corrosion resistant alloy, mainly divided into nickel-chromium alloy and nickel-chromium molybdenum alloy two categories. Hastelloy alloy has good corrosion resistance and thermal stability, and is mostly used in aviation and chemical fields.