pipes

carbon Steel pipes of API PSL1 & psl2 component for line pipes.

Standard	Product Specification Level	Steel grade	Chemical composition, %
			C	Mn	P	S	Si	V	Nb	Ti	CEpcm
API 5L	PSL 1	L210 or A	≤ 0.22	≤ 0.90	≤ 0.030	≤ 0.030	-	-	-	-	≤ 0.25
		L245 or B	≤ 0.28	≤ 1.20	≤ 0.030	≤ 0.030	-	-	-	-	≤ 0.25
		L290 or x42	≤ 0.28	≤ 1.30	≤ 0.030	≤ 0.030	-	-	-	-	≤ 0.25
		L320 or X46	≤ 0.28	≤ 1.40	≤ 0.030	≤ 0.030	-	-	-	-	≤ 0.25
		L360 or X52	≤ 0.28	≤ 1.40	≤ 0.030	≤ 0.030	-	-	-	-	≤ 0.25
		L390 or X56	≤ 0.28	≤ 1.40	≤ 0.030	≤ 0.030	-	-	-	-	≤ 0.25
		L415 or X60	≤ 0.28	≤ 1.40	≤ 0.030	≤ 0.030	-	-	-	-	≤ 0.25
	PSL 2	L245Ror BR	≤ 0.24	≤ 1.20	≤ 0.025	≤ 0.015	≤ 0.40	c	c	≤ 0.04	≤ 0.25
		L290R or X42R	≤ 0.24	≤ 1.20	≤ 0.025	≤ 0.015	≤ 0.40	≤ 0.06	≤ 0.05	≤ 0.04	≤ 0.25
		L245N or BN	≤ 0.24	≤ 1.20	≤ 0.025	≤ 0.015	≤ 0.40	c	c	≤ 0.04	≤ 0.25
		L290N or X42N	≤ 0.24	≤ 1.20	≤ 0.025	≤ 0.015	≤ 0.40	≤ 0.06	≤ 0.05	≤ 0.04	≤ 0.25
		L320N or X46N	≤ 0.24	≤ 1.40	≤ 0.025	≤ 0.015	≤ 0.40	≤ 0.07	≤ 0.05	≤ 0.04	≤ 0.25
		L360N or X52N	≤ 0.24	≤ 1.40	≤ 0.025	≤ 0.015	≤ 0.45	≤ 0.10	≤ 0.05	≤ 0.04	≤ 0.25
		L390N or X56N	≤ 0.24	≤ 1.40	≤ 0.025	≤ 0.015	≤ 0.45	≤ 0.10	≤ 0.05	≤ 0.04	≤ 0.25
		L415N or X60N	≤ 0.24	≤ 1.40	≤ 0.025	≤ 0.015	≤ 0.45	≤ 0.10	≤ 0.05	≤ 0.04	Negotiation