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GB/T 4171 Q355NH Steel Plate Manufacturer

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Q355NH steel plate has the characteristics of high-quality steel for toughness, plastic elongation, forming, welding, abrasion, high temperature and fatigue resistance.

GB/T 4171 Q355NH Steel Plate material norm, chemical composition, mechanical properties, datasheet, Q355NH equivalent, heat treatment and temperature process of Q355NH, The peak hardness can be achieved, Contains all of the specification, welding properties.

GB/T 4171 Q355NH Steel Chemical composition (wt.%):

C(%)

Si(%)

Mn(%)

P(%)

S(%)

Cr(%)

V(%)

Cu(%)

Max 0.16

Max 0.50

0.90-1.50

0.035

0.035

0.40-0.80

0.02-0.10

0.20-0.50

GB/T 4171 Q355NH Steel Mechanical Properties:

Rp0.2 (MPa)

Rm (MPa)

Impact
KV (J)

Elongation
A (%)

A Z (%)

Delivery

Hardness HB

472 (≥)

515 (≥)

23

13

13

Solution & Aging, Ann, Ausaging, Q+T

341

GB/T 4171 Q355NH Steel Plate is mainly used for steel structures exposed to the atmosphere such as railways, vehicles, bridges, and towers.

Q355NH steel plate can also be used to manufacture structural parts such as containers for corrosive media in containers, railway vehicles, oil derricks, seaport buildings, oil production platforms and chemical petroleum equipment.

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