ABOOUT BLACK STEEL PIPE AND GALVANIZED STEEL PIPE.
ERW steel pipe
These articles are all highly relevant ERW steel pipe. I believe this information can help you understand ERW steel pipe's professional information. If you want to know more, you can contact us at any time, we can provide you with more professional guidance.
Material are hot rolled steel coils.Hot rolled steel strips.Q195 Q235 Q355 are main material of square tubes.Q195 = S195 / A53 Gr. AQ235 = S235 / A53 Grade B / A500 Gr. A / STK400 / SS400 / ST42.2Q355 = S355JR / A500 Grade B Grade CThe standard ASTM A500 ASTM A53,Grade A,Grade B,Grade C.
