Manganese-boron steel

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MBW-W1500 - MBW-K1900

MBW-W1500 - MBW-K1900

Choose your hot-forming steel here in grades MBW-W®1500, MBW®500, MBW®600, MBW®1500, MBW-K®1500 and MBW-K®1900.

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Features of MBW-W1500 - MBW-K1900

Mechanical properties as-delivered, transverse

Short designation	Surface finish	Proof stress Rp_0.2 MPa min.	Tensile strength R_m MPa	Elongation at fracture A₈₀ % min.	Elongation at fracture A₅ % min.
MBW-W^®1500¹⁾	-	320	500	10	12
MBW^®500¹⁾	+AS	300-520	400-600	16	-
MBW^®600¹⁾	+AS	340-580	520-720	12	-
MBW^®1500¹⁾	+AS	350-550	500-700	12	-
MBW-K^®1500¹⁾	-	250-400	450-600	18	-
MBW-K^®1900¹⁾	-	300-500	450-650	16	-

Typical mechanical properties after heat treatment, transverse

Short designation	Proof stress R_p0.2MPa	Tensile strength R_m MPa	Elongation at fracture A₈₀ % min.	Elongation at fracture A₅ % min.
MBW-W^®1500¹⁾	1,000	1,500	5	6
MBW^®500¹⁾	400	550	17	-
MBW^®600¹⁾	450	650	16	-
MBW^®1500¹⁾	1,000	1,500	5	-
MBW-K^®1500¹⁾	1,000	1,500	5	-
MBW-K^®1900¹⁾	1,200	1,900	4	-

Chemical composition, heat analysis

Short designation	Surface finish	Percentage by weight % max.
		C	Si	Mn	P	S	AI min.	CR+Mo	Nb	Ti	B
MBW-W^®1500¹⁾	-	0.25	0.40	1.40	0.025	0.010	0.015	0.50	-	0.05	0.005
MBW^®500¹⁾	+AS	0.10	0.35	1.00	0.030	0.025	0.015	-	0.10	0.15	0.005
MBW^®600¹⁾	+AS	0.10	0.50	2.00	0.030	0.025	0.015	-	0.10	0.15	0.005
MBW^®1500¹⁾	+AS	0.25	0.40	1.40	0.025	0.010	0.015	0.50	-	0.05	0.005
MBW-K^®1500¹⁾	-	0.25	0.40	1.40	0.025	0.010	0.015	0.50	-	0.05	0.005
MBW-K^®1900¹⁾	-	0.38	0.40	1.40	0.025	0.010	0.015	0.50	-	0.13	0.005

1) Special mill grade