Seamless Carbon Steel Pipes – Steel Pipe Supplier, LSAW Pipe Manufacturer

Seamless Carbon Steel Pipe

At ZhiSheng Industries, we manufacturing & supply seamless A53B, A106B & API 5LB carbon steel pipes from a wide range of quality manufacturers, helping you get the materials you need to complete your project on time and on budget. Simply put, we have the right grade and size to meet your special requirements and quality standards.

Size Range: 1/4″ NB to 24″ NB (Nominal Bore Size)
Thickness Range: 2.11mm-60mm ( SCH10, SCH20, SCH40, SCH80, STD, SCH120, SCH160, XXS)

Pipe Standard:
ASTM A53 GR.B, A106 GR.B, A179, A192, A210, A213, A333 GR.6
API 5L GR.B, X42, X46, X52, X56, X60, X65, X70
DIN 17175 ST35, ST52/DIN 2391 ST35, ST52/DIN 1629
EN10216-2 /EN10305-1/EN10216-1
JIS G3454, G3455, G3456

Materials: STP G42, STPT49, API 5L B, STPT42, Q235, ST37.0, St37.2, STB42, St52, X42 to X70, ST35.8, St45, St35.4/8, A53B, A106B, St52.4STP G38, STS42, St42

Pipe End: square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled.

Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE)

Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.

Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Hardness Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, NDT TEST ( ET TEST, UT TEST)

Trade Terms: FOB CIF CFR

Payment Terms:FOB 30%T/T, 70% before shipment
CIF 30% pre-payment and the balance to be paid upon B/L (copy)
or Irrevocable 100% L/C at sight

Billets and coils are delivered to the pipe mill ready to be made into carbon steel pipe. Depending on the capabilities of the pipe mill and the end use of the final product, the casts will be formed into pipe by means of four distinct different manufacturing.Seamless carbon steel pipe has, as its name implies, no longitudinal weld seam. It is, in essence, one solid homogeneous piece of steel. A solid billet is simply heated and then stretched over a series of mandrels until the pipe has achieved its desired diameter and wall thickness.

Performance Requirements

Strength	Strength Control by Q&T Heat Treatment
Toughness	Clean steel • Fully killed and fi ne grained • Low P, S, N, O, H • Inclusion shape control • Low segregation
Weldability	Pcm Control Weldability

Manufacturing Process

Normal Specification

NOMINAL PIPE SIZE		OD (mm)	NOMINAL WALL THICKNESS
DN	NB(inch)	ASME	SCH10	SCH20	SCH30	STD	SCH40	SCH60	XS	SCH80	SCH100	SCH120	SCH140	SCH160	XXS
15	1/2″	21.3	2.11		2.41	2.77	2.77		3.73	3.73				4.78	7.47
20	3/4″	26.7	2.11		2.41	2.87	2.87		3.91	3.91				5.56	7.82
25	1″	33.4	2.77		2.9	3.38	3.38		4.55	4.55				6.35	9.09
32	1.1/4″	42.2	2.77		2.97	3.56	3.56		4.85	4.85				6.35	9.7
40	1.1/2″	48.3	2.77		3.18	3.68	3.68		5.08	5.08				7.14	10.15
50	2″	60.3	2.77		3.18	3.91	3.91		5.54	5.54				8.74	11.07
65	2.1/2″	73	3.05		4.78	5.16	5.16		7.01	7.01				9.53	14.02
80	3″	88.9	3.05		4.78	5.49	5.49		7.62	7.62				11.13	15.25
90	3.1/2″	101.6	3.05		4.78	5.74	5.74		8.08	8.08
100	4″	114.3	3.05		4.78	6.02	6.02		8.56	8.56		11.13		13.49	17.12
125	5″	141.3	3.4			6.55	6.55		9.53	9.53		12.7		15.88	19.05
150	6″	168.3	3.4			7.11	7.11		10.97	10.97		14.27		18.26	21.95
200	8″	219.1	3.76	6.35	7.04	8.18	8.18	10.31	12.7	12.7	15.09	18.26	20.62	23.01	22.23
250	10″	273	4.19	6.35	7.8	9.27	9.27	12.7	12.7	15.09	18.26	21.44	25.4	28.58	25.4
300	12″	323.8	4.57	6.35	8.38	9.53	10.31	14.27	12.7	17.48	21.44	25.4	28.58	33.32	25.4
350	14″	355.6	6.35	7.92	9.53	9.53	11.13	15.09	12.7	19.05	23.83	27.79	31.75	35.71
400	16″	406.4	6.35	7.92	9.53	9.53	12.7	16.66	12.7	21.44	26.19	30.96	36.53	40.19
450	18″	457.2	6.35	7.92	11.13	9.53	14.27	19.05	12.7	23.83	39.36	34.93	39.67	45.24
500	20″	508	6.35	9.53	12.7	9.53	15.09	20.62	12.7	26.19	32.54	38.1	44.45	50.01
550	22″	558.8	6.35	9.53	12.7	9.53		22.23	12.7	28.58	34.93	41.28	47.63	53.98
600	24″	609.6	6.35	9.53	14.27	9.53	17.48	24.61	12.7	30.96	38.89	46.02	52.37	59.54

Stock of Steel Pipes

The products on the website do not reflect all products, sizes or tolerances of the 20,000 tons of product we stock. Please contact a sales representative for the most accurate information.

Custom Work

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