400L20 - AS /NZS 3678-2016 - H2ABC

中文版

Grade	400L20
Corresponding Standard	AS /NZS 3678-2016 Structural steel - Hot-rolled plates, floorplates and slabs
Classification	Alloy Steel

400L20 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb	Al	More
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	-	-	Nb+V+Ti≤0.15；Cr+Ni+Cu+Mo≤1；Ceq≤0.48
Maximum Value	0.22	0.55	1.7	0.04	0.03	0.25	0.3	0.4	0.35	0.04	0.1	0.06	0.1	Nb+V+Ti≤0.15；Cr+Ni+Cu+Mo≤1；Ceq≤0.48

400L20 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b	Yield Point σ_s	Elongation or Extension Rate δ %
Plate and bottom plate (floor decorative plate); t≤12	Hot Rolling	≥480	≥400	≥18
Plate and base plate (floor pattern plate); 12<t≤20	Hot Rolling	≥480	≥380	≥18
Plate and bottom plate (floor decorative plate); 20<t≤80	Hot Rolling	≥480	≥360	≥18
Plates and base plates (patterned plates for flooring); 80<t≤150	Hot Rolling	≥480		≥18
Plates and Base Plates (Patterned Plates for Flooring); 150<t≤200	Hot Rolling			≥17

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