Table 1.

Chemical composition and mechanical characteristics for low-carbon steel type ASTM A333 Grade 6.

Chemical composition	Carbon (C)	:	0.30% max
	Manganese (Mn)	:	0.29–1.06%
	Phosphorus (P)	:	0.025% max
	Sulfur (S)	:	0.025% max
	Silicon (Si)	:	0.10% min
	Nickel (Ni)	:	3.18–3.82%
	Chromium (Cr)	:	0.40% max
	Copper (Cu)	:	0.40% max
	Vanadium (V)	:	0.08% max
Mechanical characteristics	Tensile Strength	:	415 MPa (60,200 psi) minimum
	Yield Strength:	:	240 MPa (35,000 psi) minimum
	Elongation:	:	30% minimum (in 2 inches)
	Hardness:	:	Not specified, typically falls within the range of 137–207 Brinell or 74–148 Rockwell B hardness