carbon steel pipe and tube

1)seamless steel pipe with API 5L PSL1 and PSL2 2)ASTM A106,ASTM A53 3)1/4 inch to 30 inch.W.T max 50MM.

standard	No.	T. S(mpa)	Y. S(mpa)	Elongation(%)	Akv(J)	hardness
GB3087	10	335~475	≥ 195	≥ 24		/
	20	410~550	≥ 245	≥ 20		/
GB5310	20G	410~550	≥ 245	≥ 24	≥ 35	/
GB/T8162	10	335	185~205	24
	20	390	225~245	20
	35	510	285~305	17
	45	590	315~335	14
	Q345	490	305~325	21
GB/T8163	10	335~475	195~205	24
	20	410~550	235~245	20
	Q295	430~610	285~295	22
	Q345	490~665	315~325	21
ASME SA106	SA106B	≥ 415	≥ 240	≥ 22	≥ 35	/
	SA106C	≥ 485	≥ 275	≥ 20	≥ 35	/
ASTM A106	A106 Gr. A	≥ 330	≥ 205	35 Longitudinal
				25 lateral
	A106 Gr. B	≥ 415	≥ 240	30 Longitudinal
				16.5 lateral
	A106 Gr. C	≥ 485	≥ 275	30 Longitudinal
				16.5 lateral

chemical constitution:

standard	No.	chemical constitution(%)
		C	Si	Mn	P	S	Cr	Mo	Cu	Ni	V
GB3087	10	0.07~0.13	0.17~0.37	0.38~0.65	≤ 0.030	≤ 0.030	0.3~0.65	/	≤ 0.25	≤ 0.30	/
	20	0.17~0.23	0.17~0.37	0.38~0.65	≤ 0.030	≤ 0.030	0.3~0.65	/	≤ 0.25	≤ 0.30	/
GB5310	20G	0.17~0.24	0.17~0.37	0.35~0.65	≤ 0.030	≤ 0.030	≤ 0.25	≤ 0.15	≤ 0.20	≤ 0.25	≤ 0.08
ASME SA106	SA106B	0.17~0.25	≥ 0.1	0.70~1.00	≤ 0.030	≤ 0.030	≤ 0.035
ASTM A106	A106 Gr. A	≤ 0.25	≤ 0.10	0.27~0.93	≤ 0.035	≤ 0.035	≤ 0.40	≤ 0.15	≤ 0.40	≤ 0.40	≤ 0.08
	A106 Gr. B	≤ 0.30	≤ 0.10	0.29~1.06	≤ 0.035	≤ 0.035	≤ 0.40	≤ 0.15	≤ 0.40	≤ 0.40	≤ 0.08
	A106 Gr. C	≤ 0.35	≤ 0.10	0.29~1.06	≤ 0.035	≤ 0.035	≤ 0.40	≤ 0.15	≤ 0.40	≤ 0.40	≤ 0.08

carbon steel pipe and tube