Spiral Steel Pipe

1. Material:Q235B, Q215A B, 16Mn(Q345), X42, X52, X56, X60, X65, X70, L245, L290, L360.
2. Standard: GB/T9711.1-1997
3. Application: applied for structure and low pressure fluid service.
O.D. 219-1820mm(8”-72”)
W.T. 2.5-16mm
Length: 6-12m Random, 12m fixed.
Usage: Boiler Use,water transport,Building,Machinery,Traffic,Aviation,Oil development ect.

standard	GRADE	MECHANICAL CHEMICAL COMPOSITION
		YIELD STRENGTH	TENSILE STRENGTH	ELONGATION	C Mn P S
		Mpa	Mpa	%	C Mn P S
API Spec 5L	A	207	331	Bitmap	0.210.6 0.030 0.030
	B	241	414		0.221.2 0.025 0.015
	X42	290	414		0.221.3 0.025 0.015
	X46	317	434		0.221.4 0.025 0.015
	X52	359	455		0.221.4 0.025 0.015
	X56	386	490		0.221.4 0.025 0.015	0.15%
	X60	414	517		0.221.4 0.025 0.015
	X65	448	531		0.221.45 0.025 0.015
	X70	483	565		0.221.65 0.025 0.015
GB/T9711-1997	L175	175	315	27	0.210.60 0.030 0.030
	L210	210	335	25	0.210.90 0.030 0.030
	L245	245	415	21	0.261.15 0.030 0.030
	L290	290	415	21	0.281.25 0.030 0.030
	L360	360	460	19	0.301.25 0.030 0.030
	L390	390	490	18	0.261.35 0.030 0.030
	L415	415	520	17	0.261.35 0.030 0.030
	L450	450	525	17	0.261.40 0.030 0.030
	L485	485	570	16	0.231.60 0.030 0.030
SY/T5037-2000	Q235B	235	375-460	26	0.12-0.20 0.30-0.70 0.045 0.045