GB/T 4171 Q355NH High strength weathering Steel Plate

GB/T 4171 Q355NH High strength weathering Steel Plate

GB/T 4171 Q355NH specification:
Thickness: 2mm-300mm
Width: 1000mm-4200mm
Length: 3000mm-18000mm

Main chemical elements composition of Q355NH:

Main chemical elements composition of Q355NH
C	Si	Mn	P	S	Cu	Ni	Cr
0.16	0.50	0.50-1.50	0.030	0.030	0.25-0.55	0.65	0.40-0.80

Mechanical property for Q355NH steel:

Thickness (mm)
Q355NH	≤ 16	> 16 ≤ 40	> 40 ≤ 60	>60
Yield strength (≥Mpa)	355	345	335	325
Tensile strength (Mpa)	490-630

GB/T 4171 Q355NH Application:
Q355NH atmospheric corrosion structural steel plate is widely used to building shipping containers and offshore containers, such as Schedule waste storage container, Weather Shelters, Tool boxes, Workshop containers and so on.

Technical Requirements & Additional Services:
♦ High tension test
♦ Low temperature impacting test
♦ Simulate post-welded heat treatment (PWHT)
♦ Issued Original Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting, Cutting and welding as per end user’s demands
♦ G101 Guide for estimating atmospheric corrosion resistance of low alloy steels

Product

• Alloy Steel Plate
• Automobile Structure Steel Plate
• Boiler and Pressure vessel steel plate
• Carbon and Low alloy High strength Steel Plate
• Clad Steel Plate
• Cold Rolled Steel Coil
• Gas Cylinder Steel coil
• Pipeline steel plate
• Steel Pipe

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