A 387 Class 1 Class 2 SHEETS / PLATES
ASTM	Grade	Chemical Requirements Percent (%)										Mechanical Requirements
		C max	Mn Max	P Max	S Max	Si Max	Ni	Cr.	Mo	Cu	Others	Tensile Strength Mini-MPa (Ksi)		Yield Strength Mini-MPa(Ksi)		Elong mini %	Hardness
		C max	Mn Max	P Max	S Max	Si Max	Ni	Cr.	Mo	Cu	Others	Tensile Strength Mini-MPa (Ksi)		Yield Strength Mini-MPa(Ksi)		Elong mini %	Brinell	Rockwell
A 387 Class 1 Class 2												Class 1	Class 2	Class 1	Class 2
	2	0.05-0.021	0.55-0.80	0.035	0.040	0.15-0.40		0.50-0.80	0.45-0.60			380-550	486-620	230	310	22	Max201HB	Max92HRB
	5	0.15	0.30-0.60	0.04	0.030	0.50		4.00-6.00	0.45-0.65			415-585	515-690	205	310	18	max202HB	Max92HRB
	7	0.15	0.30-0.60	0.030	0.030	1.00		6.00-8.00	0.45-0.65			415-585	515-690	205	310	18	max217HB	Max95HRB
	9	0.15	0.30-0.60	0.030	0.030	1.00		8.00-10.0	0.90-1.10			415-585	515-690	205	310	18	max217HB	Max95HRB
	11	0.04-0.17	0.40-0.65	0.035	0.040	0.50-0.80		1.00-1.50	0.45-0.65			415-585	515-690	240	310	22	max217HB	Max95HRB
	12	0.04-0.17	0.40-0.65	0.035	0.040	0.15-0.40		0.80-1.15	0.45-0.60			380-550	450-585	230	275	22	max217HB	Max95HRB
	21	0.04-0.17	0.30-0.60	0.035	0.035	0.50		2.75-3.25	0.90-1.10			415-585	515-690	205	310	18	max201HB	Max92HRB
	22	0.05-0.17	0.30-0.60	0.035	0.035	0.50		2.00-2.50	0.90-1.10			415-585	515-690	205	310	18	max201HB	Max92HRB