Q460NHC-Z15 weathering steel properties

Q460NHC-Z15 weathering steel standard: GB/T4171; Q460NHC-Z15 material introduction: Q means the yield strength, and 460 is the lower yield strength of steel; NH means weather resistant, C is the quality level, and C is the -0℃ impact. Q460NHC is an atmospheric corrosion resistant material, which belongs to the welding weathering steel. The similar grades include Q460NHA, Q460NHB, Q460NHC, Q460NHD, Q460NHE, etc.

Q460NHC-Z15 weathering steel chemical element and smelting analysis:
C≤0.12, Si≤0.65, Mn≤1.5, P≤0.025, S≤0.030, Ni 0.12-0.65, Cr 0.3-1.25, Mo≤0.3, Cu 0.2-0.55, Nb 0.015-0.06, V 0.02-0.12, Ti 0.02-0.1, Alt≥0.02, Zr≤0.15

Mechanical properties of Q460NHC-Z15 weathering steel:
ReL(MPa)：≥440；
Rm(MPa)：570-730；
A(%)：≥19；
Impact temperature: 0;
Akv(J)：≥27

Heat treatment of Q460NHC-Z15 weathering steel: hot rolling, controlled rolling, normalizing; Q460NHC-Z15 material Z-direction performance: Q460NHC-Z15, Q460NHC-Z25, Q460NHC-Z35.