250 - AS /NZS 3678-2016 - H2ABC

中文版

Grade	250
Corresponding Standard	AS /NZS 3678-2016 Structural steel - Hot-rolled plates, floorplates and slabs
Classification	Alloy Steel

250 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb	Al	More
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	-	-	Nb+V≤0.06；Cr+Ni+Cu+Mo≤1；Ceq≤0.44
Maximum Value	0.22	0.5	1.7	0.04	0.03	0.25	0.3	0.4	0.08	0.04	0.05	0.02	0.1	Nb+V≤0.06；Cr+Ni+Cu+Mo≤1；Ceq≤0.44

250 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Plate and bottom plate (floor decorative plate); t≤8	Hot Rolling	≥410	≥280	≥22
Plate and bottom plate (floor decorative plate); 8<t≤12	Hot Rolling	≥410	≥260	≥22
Plate and base plate (floor pattern plate); 12<t≤50	Hot Rolling	≥410	≥250	≥22
Plate and bottom plate (floor decorative plate); 50<t≤80	Hot Rolling	≥410	≥240	≥22
Plates and base plates (patterned plates for flooring); 80<t≤150	Hot Rolling	≥410	≥230	≥22
Plates and Base Plates (Patterned Plates for Flooring); 150<t≤200	Hot Rolling	≥400	≥220	≥21

250 Corresponding Standards(Same grade name, different standards)

1	AS /NZS 3678-2016
	250
2	AS /NZS 3679-1-1996
	250
3	Others CS2-2012
	250

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!