DIN 30670 3lpe Coated Seamless Steel Pipe ASTM A106/A53/API 5L Gr. B

• Customization: Available
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: 3lpe
• 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: 3lpe
• 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

Our Seamless Carbon Steel Pipes are expertly crafted from high-quality steel ingots or solid tube blanks. Through innovative processes of hot rolling, cold rolling, or cold drawing, these pipes emerge with extraordinary durability and unmatched corrosion resistance, making them a reliable choice for various industrial applications.

Carbon Steel Seamless Pipe Uses
- Designed for the rigorous demands of Textile Machinery, our Carbon Steel Seamless Pipes deliver outstanding performance.
- Specially engineered for the Oil and Gas Industry, these pipes ensure safety and efficiency.
- Essential in Medical Gas Pipeline Systems, our pipes guarantee purity and reliability.
- In the Pharmaceutical Processing Industry, our pipes are integral for maintaining high standards of production.
- Perfect for Fluid Piping applications, offering robustness and efficacy.
- Enhancing Modern Architecture, these pipes provide both functionality and aesthetic appeal.
- Ideal for Water Waste Projects, ensuring longevity and resilience.

Application
Carbon Steel Seamless Pipes from Union Steel Industry Co., Ltd. are pivotal in numerous sectors such as nuclear devices, gas conveyance, petrochemical, shipbuilding, and boiler industries. Their hallmark features include superior corrosion resistance and optimal mechanical properties, making them indispensable for these demanding applications.

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: 1/8 - 36inch (10.3-914.4mm)
Wall Thickness: 1.25 - 50mm
Length: Random Length, Fixed Length, SRL, DRL

 

STEEL GRADE

ASTM A53/ASTM A106: GR A, GR B, GR CASME
ASME A500: GR.A, GR.B, GR.C, GR.D
End: Plain End, Beveled End, Threaded One End, TBE (Threaded Both Ends)
Delivery Condition: Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Surface Finish: No.1, No.4, No.8 Mirror Finish, 2B

TEST REQUIRED

We ensure rigorous quality control through extensive testing: 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:
Elevate your understanding of our meticulous hot rolling process: Rolled Round Billets - Thorough Examination - Precision Cut Off - Intensive Heating - Piercing for Perfection - Elongation - Slight Tension Reducing - Masterful Straightening - Corp End Cutting Off - Visual Inspection - NDT - Hydrostatic Test - Expert Ends Procession - Detailed Product Inspection - Painting and Marking - Secure Packing - Warehousing

PRODUCTION PROCESS

Cold Drawn (Rolled) Seamless Steel Pipe Manufacturing Process:
Explore the comprehensive precision of our cold drawn process: Mother pipe (Typically for hot rolled pipe) - Rigorous Inspection - Annealing - Precise Ends Treatment (Hitting and Drilling hole) - Pickling - Grinding - Phosphorization (Annoit) - Cold Drawn (Rolled) - Thorough Degreasing and Cleaning - Heat treatment (Solution treatment) - Straightening - Hydrostatic test - Artful Painting and Marking - 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