Tianjin Bohai Metal Corporation

A871Type1Gr.65 Steel

Weather Resistant Steel

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Commodity name: A871Type1Gr.65 Steel

The specifications

A high strength, corrosion resistant grade, the oxide of which forms a protective coating. This grade, while similar to A242 is available in greater thicknesses. Used in many painted and unpainted applications.
Thickness: 3mm--150mm
Width: 30mm--4000mm
Length: 1000mm--12000mm
Standard: ASTM EN10025 JIS GB

Physical Properties

Physical Properties	Metric	English	Comments
Density	7.85 g/cc	0.284 lb/in³	Typical of ASTM steel

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	170	170	based on conversion from tensile strength
Hardness, Rockwell B	87	87	based on conversion from tensile strength
Tensile Strength at Break	>= 552 MPa	>= 80000 psi
Tensile Strength, Yield	>= 448 MPa	>= 65000 psi
Elongation at Break	>= 15.0 %	>= 15.0 %	in 8"
	>= 17.0 %	>= 17.0 %	in 2"
Bend Radius, Minimum	1.50 t	1.50 t	≤3/4" W; ASTM A6 PARA. S14
	2.50 t	2.50 t	>3/4 to 1" W; ASTM A6 PARA. S14
	3.00 t	3.00 t	>1 to 1-1/2" W; ASTM A6 PARA. S14
	3.50 t	3.50 t	>1-1/2 to 2" W; ASTM A6 PARA. S14
	4.00 t	4.00 t	>2" W; ASTM A6 PARA. S14

Component Elements Properties	Metric	English
Carbon, C	<= 0.20 %	<= 0.20 %
Chromium, Cr	<= 0.70 %	<= 0.70 %
Copper, Cu	<= 0.50 %	<= 0.50 %
Iron, Fe	>= 95.635 %	>= 95.635 %
Manganese, Mn	<= 1.50 %	<= 1.50 %
Molybdenum, Mo	<= 0.10 %	<= 0.10 %
Nickel, Ni	<= 0.50 %	<= 0.50 %
Niobium, Nb (Columbium, Cb)	<= 0.050 %	<= 0.050 %
Phosphorous, P	<= 0.035 %	<= 0.035 %
Silicon, Si	<= 0.640 %	<= 0.640 %
Sulfur, S	<= 0.040 %	<= 0.040 %
Vanadium V	<= 0.10 %	<= 0.10 %