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What does Q355NHB stand for?

What does Q355NHB stand for?
Aug 23, 2021

Q355NHB steel plate description

Material: Q355NHB

Executive standard: GB/T 4171-2008.

GB/T 4171-2008 Q355NHB steel plate is a kind of atmospheric corrosion-resistant steel plate.

Weathering steel 7

What does Q355NHB stand for?

Q——The first letter of the Chinese pinyin of "qu" in the yield strength;

355——The lower limit of the lower yield strength of steel, in MPa;

NH——respectively the first letter of the Chinese pinyin of the characters "Nai" and "hou";

B-quality level.

The size, shape, weight and allowable deviation of Q355NHB steel plate are implemented as GB/T709.

Smelting method: Q355NHB is smelted by converter or electric furnace, and it is killed steel. Unless the buyer has special requirements, the smelting method is chosen by the supplier.

Q355NHB steel plate delivery status: delivered in hot rolled, controlled rolled or normalized state.

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