thick wall seamless steel pipe

Thick-walled steel pipes are mainly used for petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler pipes, pipes and high-precision pipes for automobile bearings, tractors, and aviation structures. The biggest difference between thick-walled and thin-walled steel pipes is the wall thickness. It is said that the thin-walled steel pipe is a drawing process, while the thick-walled steel pipe generally adopts the hot rolling process.

thick wall seamless steel pipe Specification：

Standard	ASTM A106 GR. B & C/ ASTM A53 GR. B & C/, ASTM A333 GR. 3/6 & API-5L-GR. B/X42/X46/X52/X60/X65/X75 & ASTM A 671 / 672 GR CB60 / CB60 / CC60 / CC65 / CC70 / CD70 CLASS 10 UPTO 43, etc.
Dimensions	ASTM, ASME and API
Size (Seamless)	1/2” NB - 60” NB
Wall Thickness	SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules Or as per customer's special requirement.
Surface Protection	Black (Self Coloured uncoated), Varnish/Oil Coating, Pre-Galvanized, Hot Dip Galvanized
End	Plain End, Beveled End, Screwed, Treaded
Length	Single Random, Double Random & Required Length, Custom Size

Chemical components & mechanical properties

Standard	Grade	Chemical Components (%)					Mechanical Properties
ASTM A53		C	Si	Mn	P	S	Tensile STrength(Mpa)	Yield STrength(Mpa)
	A	≤0.25	-	≤0.95	≤0.05	≤0.06	≥330	≥205
	B	≤0.30	-	≤1.2	≤0.05	≤0.06	≥415	≥240
ASTM A106	A	≤0.30	≥0.10	0.29-1.06	≤0.035	≤0.035	≥415	≥240
	B	≤0.35	≥0.10	0.29-1.06	≤0.035	≤0.035	≥485	≥275
ASTM SA179	A179	0.06-0.18	-	0.27-0.63	≤0.035	≤0.035	≥325	≥180
ASTM SA192	A192	0.06-0.18	≤0.25	0.27-0.63	≤0.035	≤0.035	≥325	≥180
API 5L PSL1	A	0.22	-	0.90	0.030	0.030	≥331	≥207
	B	0.28	-	1.20	0.030	0.030	≥414	≥241
	X42	0.28	-	1.30	0.030	0.030	≥414	≥290
	X46	0.28	-	1.40	0.030	0.030	≥434	≥317
	X52	0.28	-	1.40	0.030	0.030	≥455	≥359
	X56	0.28	-	1.40	0.030	0.030	≥490	≥386
	X60	0.28	-	1.40	0.030	0.030	≥517	≥448
	X65	0.28	-	1.40	0.030	0.030	≥531	≥448
	X70	0.28	-	1.40	0.030	0.030	≥565	≥483
API 5L PSL2	B	0.24	-	1.20	0.025	0.015	≥414	≥241
	X42	0.24	-	1.30	0.025	0.015	≥414	≥290
	X46	0.24	-	1.40	0.025	0.015	≥434	≥317
	X52	0.24	-	1.40	0.025	0.015	≥455	≥359
	X56	0.24	-	1.40	0.025	0.015	≥490	≥386
	X60	0.24	-	1.40	0.025	0.015	≥517	≥414
	X65	0.24	-	1.40	0.025	0.015	≥531	≥448
	X70	0.24	-	1.40	0.025	0.015	≥565	≥483
	X80	0.24	-	1.40	0.025	0.015	≥621	≥552