ASTM A27 Grade N-1, N-2, Grade 60-30 Cast Carbon Steel

SEBON is able to supply and manufactureASTM A27 cast carbon steel. This specification covers carbon steel castings for general applications. The grades of steels covered here are: Grade N-1, Grade N-2, Grade U-60-30 [415-205], Grade 60-30 [415-205], Grade 65-35 [450-240], Grade 70-36 [485-250] and Grade 70-40 [485-275].
Several grades and two classes of steel castings are covered, as indicated below. The grade and class desired shall be specified by the purchaser.
Grade N-1—Chemical analysis only.
Grade N-2—Heat treated but not mechanically tested.
Grade U-60-30 [415-205]—Mechanically tested but not heat treated.
Grades 60-30 [415-205], 65-35 [450-240], 70-36 [485-250], and 70-40 [485-275]—Heat treated and mechanically tested.
ASTM A27 Cast Carbon Steel Composition and Tensile Requirements

ASTM	Chemical Requirements					Tensile Requirements
STEEL GRADE	Carbon	Manganese	Silicon	Sulfur	Phosphorus	Tensile Strength	Yield Point	Elongation in 2 in.	Reduction of Area
ASTM A27	Max % / Range					Min. ksi [Mpa] / Range		Min. %
Grade N-1	0.25	0.75	0.8	0.06	0.05	N/A	N/A	N/A	N/A
Grade N-2	0.35	0.6	0.8	0.06	0.05	N/A	N/A	N/A	N/A
Grade U60-30	0.25	0.75	0.8	0.06	0.05	60 [415]	30 [205]	22	30
Grade 60-30	0.3	0.6	0.8	0.06	0.05	60 [415]	30 [205]	24	35
Grade 65-35	0.3	0.7	0.8	0.06	0.05	65 [450]	35 [240]	24	35
Grade 70-36	0.35	0.7	0.8	0.06	0.05	70 [485]	36 [250]	22	30
Grade 70-40	0.25	1.2	0.8	0.06	0.05	70 [485]	40 [275]	22	30