ASTM A533 / A533M Type B

Chemical Properties

Carbon, maxA	Manganese B	Phosphorus,maxA	Sulfur,maxA	Silicon	Molybdenum	Nickel
0.25	1.07–1.62	0.025	0.025	0.13–0.45	0.41–0.64	0.37–0.73

Note: A Applies to both heat and product analyses.

B For Types A, B, C, and D, the maximum manganese content may be increased to 1.60 % on heat analysis and 1.65 % on product analysis when Class 2 or Class 3 properties are specified and when Supplementary Requirement S3.

Mechanical Properties

Class	Tensile strength,min: ksi [MPa]	Yield strength,min: ksi [MPa]	Elongation in 2 in. [50 mm] min, %A
Class 1	80–100 [550–690]	50 [345]	18
Class 2	90–115 [620–795]	70 [485]	16
Class 3	100–125 [690–860]	83 [570]	16

Products