Industry News - BBN Group

machinability of P295GH pressure vessel steel sheet

Normalizing is a special case of annealing, the effect is similar to annealing, but the microstructure obtained by normalizing is finer. For low or me

Dec 31, 2020

AH32 hull structure steel heat treatment

Generally, the steel plates for boiler and pressure are divided into categories. A516 gr60 carbon steel plates have a maximum thickness that varies on

Dec 31, 2020

DIN 17155 HI pressure vessel steel sheetweldability

S355J2 steel plate rolling process is controlled rolling process. In the rolling process, the ingot rolling temperature is 1000-1050℃; in the first st

Dec 31, 2020

How to avoid quality problems of A387 grade 5 pressure vessel steel sheet

Quenching is a heat treatment process in which steel parts are heated to above the critical temperature, and after proper heat preservation, the parts

Dec 31, 2020

Surface heat treatment methods for ASTM A302 pressure vessel steel sheet

After quenching and tempering, 40Cr alloy steel plate and ASTM A302 pressure vessel steel sheet sheet have good comprehensive mechanical properties, g

Dec 31, 2020

What is the service temperature of weather resistant Q355NH steel

As the thickness and hardness of weather resistant Q355NH steel increase, the tendency to crack at the cutting edge increases. In order to prevent the

Dec 31, 2020

Technical data of S355J2WP weathering steel plate

The surface hardness of NM400 wear-resistant steel plate usually reaches 360-450HB, and the steel has a high mechanical strength. Its mechanical prope

Dec 31, 2020

marine grade AH40 steel plate equivalent grade in China

In line with the service concept of "honesty first, customer first" and the service tenet of "all for customer satisfaction", the company adopts the a

Dec 31, 2020

LR DH32 shipbuilding steel plates Heat Treatment

Just as LR DH32 shipbuilding steel plates, the boiler steel plate also has strict control of chemical composition for the material, especially harmful

Dec 31, 2020

A387 grade 12 class 1 pressure vessel steel sheet plasma cutting

S700MC high-strength cold-formed hot-rolled steel sheet A387 grade 12 class 1 pressure vessel steel sheet more greatly improves the yield strength tha

Dec 31, 2020

A387 grade 12 class 2 pressure vessel steel sheet market price still has room to rise

The quality inspection department is responsible for the inspection management of raw materials and finished products, and the quality inspection and

Dec 31, 2020

Attentions in machining A387 grade 5 class 1 pressure vessel steel sheet

Both the cross rolling method and the extrusion method must first heat the tube blank or ingot, and the steel tube produced is called hot rolling tube

Dec 31, 2020

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