General Product Description

The high-strength structural steel at 650 MPa. BS 650MC K2/K4 stands out as a hot-rolled steel that's tailored for cold forming applications. It's engineered to provide a minimum yield strength of 650 MPa, ensuring that structures built with it are both robust and lightweight. This material is designed to comply with or even surpass the rigorous standards of S650MC as specified in EN 10149-2.

When it comes to applications, BS 650MC K2/K4 is versatile, suitable for a broad spectrum of components and parts that need to handle heavy loads. It's available in a variety of forms to fit your needs, including coils, slit coils, and sheets that can be cut to the exact length required.

Equivalent Grades of BS 650MC K2/K4

BAOSTEEL	SSAB	EN	DIN	AFNOR
BS600MCK2	STRENX® 600MC D	S600MC	QStE 600TM	E620D
BS600MCJ4	STRENX® 600MC E	-	-	-
BS600MCK4	-	-	-	-

Mechanical Properties of BS 650MC K2/K4

Grade	Yield Strength MPa	Tensile Strength MPa	Elongation %	Bending Test	Impact Strength Charpy V
BS650MC	≥650	≥700	≥15	180°, D=2a	–
BS650MCK2	≥650	≥700	≥15	180°, D=2a	40J / -20°C
BS650MCJ4	≥650	≥700	≥15	180°, D=2a	27J / -40°C
BS650MCK4	≥650	≥700	≥15	180°, D=2a	40J / -40°C

Chemical Composition of BS 650MC K2/K4

Grade	C	Si	Mn	P	S	Al	Nb	V	Ti	Mo
BS600MC, BS600MCK2, BS600MCJ4, BS600MCK4	0.12	0.5	1.9	0.02	0.01	0.015	0.09	0.2	0.22	0.5
BS650MC, BS650MCK2, BS650MCJ4, BS650MCK4	0.12	0.5	2	0.02	0.01	0.015	0.09	0.2	0.22	0.5
BS700MC, BS700MCK2, BS700MCJ4, BS700MCK4	0.12	0.5	2.1	0.025	0.01	0.015	0.09	0.2	0.22	0.5