High-Quality Durable API 5CT P110 & V150 OCTG Casing Seamless Steel Tubing: Unmatched Strength and Corrosion Resistance for Harsh Downhole Conditions

• Customization: Available
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Product Name: Seamless Steel Pipe
• Keywords: Steel Pipe & Tube
• Od: 10.3-1219.2mm
• Wt: 1.65-60mm
• Length: 5.8/6/11.8/12m
• Application: Converying Gas, Water/Oil for Fluids Transmission
• Surface: Oiled or Unoiled
• Ends: Plain Ends, Beveled with Tube Cap
• Standard and Grade -01: API 5L/ASTM A106,Grade B;ASTM A53,Gr.a,Gr.B
• Standard and Grade -02: DN 17175/En10216-2,Grade St35,St45,St52,13crmo44
• Standard and Grade -03: DIN 2391/En10305-1, Grade St35,St45,St52
• Standard and Grade -04: DIN 1629/En10216-1,Grade St37,St45,St52
• Standard and Grade -05: JIS G3429 Sth11;JIS G3429 Sth12;JIS G3429 Sth21
• Quality Control: 100% Inspection
• MOQ: Low MOQ
• Transport Package: Standard Shipping Packaging or Customized
• Specification: Standard specifications or customized
• Trademark: USI
• Origin: Hunan, China
• Production Capacity: 50000 Tons/Year

Product Description

Product Description

SEAMLESS STEEL PIPE

Meticulously crafted with unparalleled precision, our seamless carbon steel pipes originate from premium steel ingots or solid tube blanks. These materials are expertly transformed into capillary tubes, undergoing sophisticated processes such as hot rolling, cold rolling, or cold drawing. Delight in the extraordinary durability and unmatched corrosion resistance these pipes provide, setting a new standard in quality and performance.

Carbon Steel Seamless Pipe Uses
- Tailored for excellence in the textile machinery industry, our Carbon Steel Seamless Pipes promise top-notch performance and steadfast reliability.
- Built with unwavering sturdiness for the oil and gas industry, our Carbon Steel Seamless Pipes guarantee enhanced efficiency and uncompromised safety.
- Indispensable in Medical Gas Pipeline Systems, our Carbon Steel Seamless Pipes ensure superior safety and unwavering reliability.
- Perfectly crafted for the pharmaceutical processing industry, our pipes promise exceptional endurance and premium quality.
- Essential to fluid piping systems, our Carbon Steel Seamless Pipes offer a seamless flow and outstanding durability.
- A cornerstone in modern architecture, these pipes elevate designs with their exceptional strength and graceful elegance.
- Ideally suited for water waste projects, our pipes harmonize resilience with environmental sustainability, offering a responsible choice.

Application
Our carbon steel seamless pipes serve a wide array of applications across various sectors, including the nuclear devices, gas conveyance, petrochemical, shipbuilding, and boiler industries. They are hailed for their remarkable high corrosion resistance, seamlessly integrated with exceptional mechanical properties, making them the preferred choice in demanding environments.

Product Parameters

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
650	26"	660.4	7.92	12.7		9.53			12.7
700	28"	711.2	7.92	12.7	15.88	9.53			12.7
750	30"	762	7.92	12.7	15.88	9.53			12.7
800	32"	812.8	7.92	12.7	15.88	9.53	17.48		12.7
850	34"	863.6	7.92	12.7	15.88	9.53	17.48		12.7
900	36"	914.4	7.92	12.7	15.88	9.53	19.05		12.7

Tolerances of Carbon Seamless Steel Pipe
Pipe types	Pipe sizes(mm)	Tolerances
Hot rolled	OD<50	±0.50mm
	OD≥50	±1%
	WT<4	±12.5%
	WT 4~20	+15%, -12.5%
	WT>20	±12.5%
Cold drawn	OD 6~10	±0.20mm
	OD 10~30	±0.40mm
	OD 30~50	±0.45
	OD>50	±1%
	WT≤1	±0.15mm
	WT 1~3	+15%, -10%
	WT >3	+12.5%, -10%

STANDARD
ASTM A53 Gr.B	Black and hot-dipped zinc-coated steel pipes welded and seamless
ASTM A106 Gr.B	Seamless carbon steel for high temperature service
ASTM SA179	Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes
ASTM SA192	Seamless carbon steel boiler tubes for high pressure
ASTM SA210	Seamless medium-carbon boiler and superheater tubes
ASTM A213	Seamless alloy-steel boiler, superheater, and heat-exchanger tubes
ASTM A333 GR.6	Seamless and welded carbon and alloy steel pipe intended for use at low temperatures.
ASTM A335 P9,P11,T22,T91	Seamless ferritic alloy-steel pipe for high-temperature service
ASTM A336	Alloy steel forgings for pressure and high-temperature parts
ASTM SA519 4140/4130	Seamless carbon for mechanical tubing
API Spec 5CT J55/K55/N80/L80/P110/K55	Seamless steel pipe for casing
API Spec 5L PSL1/PSL2 Gr.b, X42/46/52/56/65/70	Seamless steel pipe for line pipe
DIN 17175	Seamless steel tube for elevated temperture
DN2391	Cold drawn seamless prevision pipe
DIN 1629	Seamless circular unalloyed steel tubes subject to special requirements

Chemical Composition and Mechanical Properties
Standard	Grade	Chemical Components (%)					Mechanical Properties
		C	Si	Mn	P	S	Tensile STrength(Mpa)	Yield STrength(Mpa)
ASTM A53	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 A179	A179	0.06-0.18	-	0.27-0.63	≤0.035	≤0.035	≥325	≥180
ASTM A192	A192	0.06-0.18	≤0.25	0.27-0.63	≤0.035	≤0.035	≥325	≥180
API 5L PSL1	A	0.22	-	0.9	0.03	0.03	≥331	≥207
	B	0.28	-	1.2	0.03	0.03	≥414	≥241
	X42	0.28	-	1.3	0.03	0.03	≥414	≥290
	X46	0.28	-	1.4	0.03	0.03	≥434	≥317
	X52	0.28	-	1.4	0.03	0.03	≥455	≥359
	X56	0.28	-	1.4	0.03	0.03	≥490	≥386
	X60	0.28	-	1.4	0.03	0.03	≥517	≥448
	X65	0.28	-	1.4	0.03	0.03	≥531	≥448
	X70	0.28	-	1.4	0.03	0.03	≥565	≥483
API 5L PSL2	B	0.24	-	1.2	0.025	0.015	≥414	≥241
	X42	0.24	-	1.3	0.025	0.015	≥414	≥290
	X46	0.24	-	1.4	0.025	0.015	≥434	≥317
	X52	0.24	-	1.4	0.025	0.015	≥455	≥359
	X56	0.24	-	1.4	0.025	0.015	≥490	≥386
	X60	0.24	-	1.4	0.025	0.015	≥517	≥414
	X65	0.24	-	1.4	0.025	0.015	≥531	≥448
	X70	0.24	-	1.4	0.025	0.015	≥565	≥483
	X80	0.24	-	1.4	0.025	0.015	≥621	≥552

Detailed Photos

BASIC INFORMATION

Product Name: SMLS Pipe, CS Pipe
Standard: ASTM A106/A53/A500/ASME SA106/SA53/DIN1629/JIS G3444/G3445/G3452
Certificate: ISO 9001, ISO 14001, ISO 45001, CE
Out Diameter: Ranging from an efficient 1/8 inch to a robust 36 inches (10.3-914.4mm)
Wall Thickness: Our offerings span from 1.25mm to a solid 50mm, accommodating diverse specifications
Length: Available in Random Length, Fixed Length, SRL, and DRL to perfectly meet your specific requirements

 

STEEL GRADE

ASTM A53/ASTM A106: Grades encompass GR A, GR B, and the versatile GR CASME
ASME A500: Grades GR.A, GR.B, GR.C, GR.D, delivering premium quality and reliability
End: Tailor-made options include Plain End, Beveled End, Threaded One End, and TBE (Threaded Both Ends)
Delivery Condition: Offering options such as Annealed and Pickled, Polished, Bright Annealed, and Cold Drawn to suit varied preferences
Surface Finish: Available in No.1, No.4, No.8 Mirror Finish, and 2B providing excellent surface quality and aesthetics

TEST REQUIRED

Our rigorous testing regime includes Chemical Analysis, Mechanical Test, Visual Inspection, Tension Test, Dimension Check, Bend Test, Flattening Test, Impact Test, DWT Test, NDT Test, Hydrostatic Test, and Hardness Test

PRODUCTION PROCESS

Hot Rolling Seamless Steel Line Pipe Manufacturing Process:
A sophisticated sequence: Rolled Round Billets - Meticulous Examination - Precision Cut Off - Intensive Heating - Piercing - Elongation - Slight Tension Reducing - Straightening - Corp End Cutting Off - Visual Inspection - NDT - Hydrostatic Test - Ends Procession - Thorough Product Inspection - Painting and Marking - Secure Packing - Organized Warehousing

PRODUCTION PROCESS

Cold Drawn (Rolled) Seamless Steel Pipe Manufacturing Process:
This intricate process involves: Mother pipe (Typically for hot rolled pipe) - Comprehensive Inspection - Annealing - Ends Treatment (Precision Hitting and Drilling hole) - Pickling - Grinding - Phosphorization (Annoit) - Cold Drawn (Rolled) - Degreasing and Cleaning - Heat Treatment (Solution Treatment) - Straightening - Hydrostatic Test - Painting and Marking - Systematic Warehousing

FAQ

Q: Are you a manufacturer?
A: Yes, we are a manufacturer, we have our own factory, and we are leading in producing and exporting steel pipes, galvanized steel pipes, hollow profiles, galvanized hollow profiles, etc. We guarantee that we are what you are looking for.

Q: Can we visit your factory?
A: Warmly welcome, we will pick you up once we get your schedule.

Q: Do you have quality control?
A: Yes, we have obtained BV and SGS certification.

Q: Can you arrange shipment?
A: Of course, we have a fixed freight forwarder, can get the best price from most shipping companies, and provide professional service.

Q: How long is your delivery time?
A: The specific time depends on the quantity you purchase.

Q: How can we get a quotation?
A: Please provide product specifications, such as material, size, shape, etc., so that we can give the best quotation.

Q: Can we get some samples? Is it charged?
A: Yes, we can provide samples for free, but do not pay for the freight. If you place an order after confirming the sample, we will refund your express freight or deduct it from the order amount.

Q: How can we pay?
A: Accepted delivery terms: FOB, CFR, CIF, EXW, FCA, DDP, DDU, Express; Accepted payment methods: T/T, L/C, Credit Card, Western Union, Cash