Q355NH Weathering Steel

Q355NH steel is a kind of weathering steel which is under GB/T 4171 standard. Q235NH steel owns a minimum yield strength of 355MPa. Q355NH Atmospheric Corrosion Resisting Structural steel is often used for railway, vehicles, bridges, towers and other exposed steel used in the atmosphere. Q355NH can also be used in the manufacture of containers, rolling stock, oil derrick, harbor construction, oil platforms and oil equipment chemical containers, ect.
The specifications of Q355NH we can offer:
Thickness:  1mm to 100mm,
 Wide: 1000mm to 4100mm
 Length: 1000mm to 12000mm
Q355NH steel delivery condition:
hot-rolled or normalizing + tempering, specific delivery status should be specified in the warranty book.
Q355NH steel chemical composition %:
C: ≤0.16
Si: ≤0.50
Mn: 0.50-1.50
P: ≤0.030
S: ≤0.030
Mo: ≤0.30
Cu: 0.25-0.55
Ti: ≤0.10
V: ≤0.12
Nb: ≤0.06
Cr: 0.40-0.80
Q355NH Steel Mechanical Properties
Tensile strength (σb / MPa): ≧ 510-670
Yield point (σs / MPa): ≧ 355
Impact Test Degree:
20degree, 47J min,
0 degree, 34J min
-20degree, Min 34J
-40 Degree Min 27J
The equivalent standard with GB/T 4171 is ISO 4952, ISO 5952, ASTM A242/242M, ASTM A588/A588M, ASTM A606, ASTM A871/A871M, JIS G3114, JIS G3125, GB/T 18982
BEBON steel is the professional Chinese steel exporter, and specialized in offering  Q355NH steel, If you have any requirement in steel plate for Q355NH steel, whether the new plate or stock list of material, please feel free to contact us by email or calling.