ASTM A131 B steel plate shall be welded in strict accordance with the process specification, and the welding line energy is generally controlled below 5000J/cm. If the line energy is too large and the weld metal stays at high temperature for a long time,
2021-05-24
The size, shape and allowable deviation of ABS grade A steel plate shall comply with the regulations of GB/T709, but the negative deviation of ABS grade A steel plate thickness shall be no more than 0.3mm.
2021-05-24
No bubbles, scarring, cracks, cracking, folding, inclusion and pressing into oxidized iron sheet are allowed on the surface of ABS Grade A marine steel plate. ABS Grade A marine steel plate shall not be laminated.
2021-05-24
Z-direction performance of FH420 shipbuilding steel plate: it is commonly known as thickness direction performance steel plate. There are special provisions for the mechanical properties of thick steel plate in thickness direction.
2021-05-12
Delivery status of FH420 steel plate: TMCP, TMCP-T, tempering, normalizing, tempering, annealing and quenching, etc. Normalizing: heat the FH420 steel plate to a suitable temperature for cooling in the air.
2021-05-12
EH40 marine steel plate must have good low temperature toughness, seawater corrosion resistance and good welding performance for special use environment. The brittleness of EH40 marine steel plate will undergo brittleness transition and fracture at low te
2021-05-12