655M13 - BS 970-3-1991

Grade	655M13
Corresponding Standard	BS 970-3-1991 Specification for wrought steel for machanical and allied engineering purposes part 3:bright bars for general engineering purposes
Classification	Alloy Steel

655M13 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.1	0.1	0.35	-	-	0.7	3
Maximum Value	0.16	0.4	0.6	0.04	0.05	1	3.75

• For older grades of stainless steel, see Table 2 of standard BS 970-4-1970

655M13 Mechanical Properties

condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
Sample rod d=19	≥1000	≥9	Critical annealing pressure: ≤255 Normalizing and tempering: ≤223	Izod:≥40 KCV:≥35

1 Approximate Comparison Table Structural Alloy Steel

International Organization for Standardization	European Standard		United Kingdom
ISO	EN	Numerical Grade	BS EN/BS
15NiCr13	15NiCr13	1.5752	655M13

2 Approximate Comparison Table Structural Alloy Steel

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