FAQ - BBN Group

What is the ordinary carbon steel boiling steel plate?

Jul 06, 2021

What is the Q345NQR4 steel meaning?

Jul 06, 2021

What is low-alloy high-strength structural steel Q690D

Jul 06, 2021

What are the quality requirements for the surface of No. 20 steel

Jul 05, 2021

What is the weathering steel?

Jul 05, 2021

How to solve the Q295NH weathering steel plate cutting holes?

Jul 05, 2021

What is the reason for the type defect of Q345NH weathering steel plate?

Jul 05, 2021

What is 20# steel

Jul 03, 2021

What is the 450NQR1 steel?

Jul 02, 2021

What are the application fields of NM360 steel plate

Jul 02, 2021

What is the chemical composition of Q460GJC-Z25 steel plate

Jul 01, 2021

What is the effect of boron on the hardenability of steel plate?

Jul 01, 2021

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