Products / Heavy Steel Plate

Heavy Steel Plates

Heavy Steel Plate · 6–300 mm

Hot-rolled heavy steel plates for structural, mold & die, machinery, and general industrial applications, available in JIS, ASTM, and EN standards.

GRADE SPECIFICATIONS

Steel Grades & Mechanical Properties

Grade	Standard	Yield (Fy)	Tensile (Fu)	Elongation	Application
SS400	JIS G3101	≥ 245 MPa	400–510 MPa	≥ 21%	General Structural & Fabrication Applications
SS490	JIS G3101	≥ 285 MPa	490–610 MPa	≥ 19%	High-Strength Structural Applications
SM490	JIS G3106	≥ 315 MPa	490–610 MPa	≥ 17%	Bridge Structures & Storage Tanks
SM490A	JIS G3106	≥ 315 MPa	490–610 MPa	≥ 17%	Welded Structures
A36	ASTM A36	≥ 250 MPa	400–550 MPa	≥ 20%	General Structural Applications
S275JR	EN 10025	≥ 275 MPa	410–560 MPa	≥ 20%	European Structural Applications

WEIGHT TABLE

Plate Weight Table (kg/plate) · Click a Row to Select Thickness

Thickness (mm)	4×8 ft 1219×2438 mm	5×10 ft 1524×3048 mm	5×20 ft 1524×6096 mm
6 mm	140.0	218.8	437.6
9 mm	210.0	328.2	656.4
12 mm	280.0	437.6	875.1
16 mm	373.3	583.4	1166.9
19 mm	443.3	692.8	1385.6
22 mm	513.3	802.2	1604.4
25 mm	583.2	911.6	1823.2
32 mm	746.5	1166.9	2333.7
38 mm	886.5	1385.6	2771.3
50 mm	1166.5	1823.2	3646.4
65 mm	1516.4	2370.2	4740.4
75 mm	1749.7	2734.8	5469.7
100 mm	2333.0	3646.4	7292.9

ρ = 7.85 g/cm³ · Unit: kg/plate

Quality Assurance

Every plate is supplied with a Mill Test Certificate (MTC) detailing the Heat Number, Chemical Composition, Mechanical Test Results, and full material traceability.

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