Site icon Abrasion resistant pipe

Q355NH steel plate

Q355NH steel plate

Q355NH steel plate under China GB/T 4171 standard, it is a kind of weathering steel. Q355NH weathering steel plate is the high tensile strength weathering steel plate, it has 490-630 Mpa tensile strength. More information about Q355NH weathering steel technology, please see the following:

Q355NH steel plate comprehensive performance: Q355NH steel plate has good weldability and low temperature impact toughness, suitable for architecture, artifacts such as weather resistance of weldments.

Q355NHB steel is quality grade B of Q355NH weather-resistant steel sheet What is the difference between the element composition and tensile requirement of weather-resistant steel plate Q355NHB compared to A588 steel plate?

Q355NH weathering steel features

Q355NHB weathering steel plate characteristics: It has the characteristics of high-quality steel such as toughness, plastic extension, forming, welding and cutting, abrasion, high temperature and fatigue. Q355NHB steel plate is atmospheric corrosion-resistant steel plate, also known as weather-resistant steel plate. It is a low alloy steel series between general steel and stainless steel. Weather-resistant steel is made of ordinary carbon steel with a few corrosion-resistant elements such as copper and nickel. Toughness, plastic extension, forming, welding and cutting, abrasion, high temperature, fatigue resistance, etc.

Chemical composition(mass fraction)(wt.%) of the Q355NH

ElementData
C(%)Max 0.16
Si(%)Max 0.50
Mn(%)0.90-1.50
P(%)0.035
S(%)0.035
Cr(%)0.40-0.80
V(%)0.02-0.10
Cu(%)0.20-0.50

Mechanical properties of steel grade Q355NH

PropertiesData
Yield
Rp0.2 (MPa)
745 (≥)
Tensile
Rm (MPa)
333 (≥)
Impact
KV/Ku (J)
11
Elongation
A (%)
23
Reduction in cross section on fracture
Z (%)
24
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)242
Q355NH steel plate has the characteristics of high-quality steel for toughness, plastic elongation, forming, welding, abrasion, high temperature and fatigue resistance.
Exit mobile version