SSAW Welded Steel Pipes API SPEC 5L API SPEC 5CT ASTM A53 GB/T9700.1 Black Line Pipe

SSAW Welded Steel Pipes API SPEC 5L API SPEC 5CT ASTM A53 GB/T9700.1 Black Line Pipe System 1

SSAW Welded Steel Pipes API SPEC 5L API SPEC 5CT ASTM A53 GB/T9700.1 Black Line Pipe

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Loading Port:: Tianjin Port

Payment Terms:: TT or L/C

Min Order Qty:: 50MT m.t.

Supply Capability:: based on order m.t./month

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1.Specification of SSAW Welded Steel Pipes API SPEC 5L, API SPEC 5CT, ASTM A53, GB/9700.1 Black

1)Application: It is widely applied to line pipe in oil and sewage transportation , and it is used in Low pressure liquid and gassy transportation and it is also good Structure pipe in building and bridge field.

2)Standard: API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9700.1

3)Steel Grade: API SPEC 5L: B, X42, X46, X52, X56, X60, X65;API SPEC 5CT: J55, K55, N80, L80-1; ASTM A53: A, B, C;GB/T9700.1:L242、L290、L320、L360、L390、L415、L450

2.Sizes of Pipes

*Remark: Besides below sizes, we also can arrange production based on requirement of customers

OD		WT
Noninal Pipe size Inches	OD MM	10	20	30	STD	40	60	XS	80
12	323.90		6.35	8.38	9.53	10.31	14.27	12.70	17.48
14	355.60	6.35	7.92	9.53	9.53	11.13	15.09	12.70	19.05
16	406.40	6.35	7.92	9.53	9.53	12.7	16.66	12.70	21.44
18	457.00	6.35	7.92	11.13	9.53	14.27	19.05	12.70	23.88
20	508.00	6.35	9.53	12.7	9.53	15.09	20.62	12.70	26.19
22	559.00	6.35	9.53	12.7	9.53		22.23	12.70	28.58
24	610.00	6.35	9.53	14.27	9.53	17.48	24.61	12.70	30.96
26	660.00	7.92	12.70		9.53			12.70
28	711.00	7.92	12.70	15.88	9.53			12.70
30	762.00	7.92	12.70	15.88	9.53			12.70
32	813.00	7.92	12.70	15.88	9.53	17.48		12.70
34	864.00	7.92	12.70	15.88	9.53	17.48		12.70
36	914.00	7.92	12.70	15.88	9.53	19.05		12.70
38	965.00				9.53			12.70
40	1016.00				9.53			12.70
42	1067.00				9.53			12.70
44	1118.00				9.53			12.70
46	1168.00				9.53			12.70
48	1219.00				9.53			12.70

3.Packing & Delivery

1) Packing Detail:Bundles with anti-rust painting and with plastic caps

2) Delivery Term: 30-40 days after receving prepayment or L/C

4.Data Sheet

Standard: API SPEC 5L

Mechanical Properties

Standard	Grade	（MPa）		（MPa）
		Yield strength		Tensile Strength
API SPEC 5L	PSL1
	B	≥241		≥414
	×42	≥290		≥414
	×46	≥317		≥434
	×52	≥359		≥455
	×56	≥386		≥490
	×60	≥414		≥517
	×65	≥448		≥531
	×70	≥483		≥565
	PSL2
		Min	Max	Min	Max
	B	241	448	441	758
	×42	290	496	414	758
	×46	317	524	434	758
	×52	359	531	455	758
	×56	386	544	490	758
	×60	414	565	517	758
	×65	448	600	531	758
	×70	483	621	565	758

Chemical Composition(%)

Standard	Grade	C	Mn	P	S	TI	CEV
Standard	Grade	Max	Max	Max	Max	Max	Max
API SPEC 5L	PSL1
	B	0.26	1.2	0.030	0.030	0.04	-
	×42	0.26	1.3	0.030	0.030	0.04
	×46,×52,×56，X60	0.26	1.4	0.030	0.030	0.04
	X65	0.26	1.45	0.030	0.030	0.06
	X70	0.26	1.65	0.030	0.030	0.06
	PSL2
	B	0.22	1.20	0.025	0.015	0.04	0.43
	×42	0.22	1.30	0.025	0.015	0.04
	×46,×52,×56, X60	0.22	1.40	0.025	0.015	0.04
	X65	0.22	1.45	0.025	0.015	0.06
	X70	0.22	1.65	0.025	0.015	0.06

Standard: GB/9711.1

Mechanical Properties

Standard	Grade	（MPa）	（MPa）	Min(%)
Standard	Grade	Yield strength	Tensile Strength	Elongation
GB/T9711.1	L245	≥245	≥415	21
	L290	≥290	≥415	21
	L320	≥320	≥435	20
	L360	≥360	≥460	19
	L390	≥390	≥490	18
	L415	≥415	≥520	17
	L450	≥450	≥535	17
	L485	≥485	≥570	17

Chemical Composition(%)

Standard	Grade	C	Mn	P	S
Standard	Grade	Max	Max	Max	Max
GB/T9711.1	L245	0.26	0.15	0.030	0.030
	L290	0.28	1.25	0.030	0.030
	L320, L360	0.30	1.25	0.030	0.030
	L390, L415	0.26	1.35	0.030	0.030
	L450	0.26	1.40	0.030	0.030
	L485	0.23	1.60	0.025	0.030

Standard: GB/9711.2

Mechanical Properties

Standard	Grade	（MPa） Yield strength		（MPa） Tensile Strength		Min(%) Elongation

GB/T9711.2		Rt0.5Min	Rt0.5Max	RmMin	Rt0.5/Rm Max
	L245	245	440		0.80	22
	L245				0.85
	L290	290	440		0.80	21
	L290				0.85
	L360	360	510		0.85	20
	L360				0.85
	L415	415	565		0.85	18
	L415				0.85
	L450	450	570	535	0.87	18
	L485	485	605	570	0.90	18

Chemical Composition(%)

Standard	Grade	C	Mn	P	S	V	Nb	Ti	CEV
Standard	Grade	Max	Max	Max	Max	Max	Max	Max	Max
GB/T9711.2	L245NB	0.16	1.1	0.025	0.020	-	-	-	0.42
	L290NB	0.17	1.2	0.025	0.020	0.05	0.05	0.04	0.42
	L360NB	0.20	1.6	0.025	0.020	0.10	0.05	0.04	0.45
	L415NB	0.21	1.6	0.025	0.020	0.15	0.05	0.04	-
	L245NB, L290NB	0.16	1.5	0.025	0.020	0.04	0.04	-	0.4
	L360NB	0.16	1.6	0.025	0.020	0.05	0.05	0.04	0.41
	L415NB	0.16	1.6	0.025	0.020	0.08	0.05	0.06	0.42
	L450NB	0.16	1.6	0.025	0.020	0.10	0.05	0.06	0.43
	L485NB	0.16	1.7	0.025	0.020	0.10	0.06	0.06	0.43

5. Products Showroom

ssaw steel pipe

ssaw

Q:How are steel pipes classified according to their wall thickness?: Steel pipes are classified according to their wall thickness into three categories: standard weight, extra-strong, and double extra-strong.

Q:What are the different methods of protecting steel pipes from corrosion?: There are several methods of protecting steel pipes from corrosion. One common method is coating the pipes with materials such as epoxy, polyethylene, or fusion bonded epoxy, which create a barrier between the pipe's surface and corrosive elements. Another method is cathodic protection, which involves using sacrificial anodes or impressed current to prevent corrosion. Additionally, applying corrosion inhibitors or using corrosion-resistant alloys for manufacturing the pipes can provide protection. Regular maintenance, including inspections and cleaning, is also crucial to ensure the ongoing protection of steel pipes from corrosion.

Q:What's the difference between seamless steel pipe and welded pipe?: Welded steel pipe, also known as welded pipe, is made of steel or strip after the formation of welding welded steel pipe, usually 6 meters in length. Welded steel pipe production technology is simple, high production efficiency, varieties and specifications, equipment investment is less, but the general strength is lower than seamless steel pipe.

Q:What is the maximum length of a steel pipe?: The maximum length of a steel pipe will vary depending on various factors such as manufacturing capabilities, transportation limitations, and practical considerations. However, in general, steel pipes can typically be manufactured and transported in lengths ranging from a few meters to several hundred meters.

Q:How do you calculate the maximum allowable deflection for steel pipes?: To calculate the maximum allowable deflection for steel pipes, you need to consider various factors such as the pipe diameter, material properties, support conditions, and the desired level of deflection. The maximum allowable deflection is typically determined based on industry standards and codes. One commonly used method for calculating the maximum allowable deflection is based on the pipe's span-to-diameter ratio (L/D ratio). The L/D ratio is the ratio of the pipe's span (distance between supports) to its diameter. Several industry codes provide guidelines on the maximum allowable deflection based on the L/D ratio. For example, the American Society of Mechanical Engineers (ASME) B31.1 Power Piping Code suggests that for carbon steel pipes, the maximum allowable deflection should not exceed 3% of the pipe's span for an L/D ratio of 100 or less. However, for higher L/D ratios, the deflection limit decreases, ensuring the pipe's stability and structural integrity. To calculate the maximum allowable deflection using the L/D ratio method, you would first determine the L/D ratio based on the span and diameter of the pipe. Then, referring to the applicable code or standard, you can find the corresponding maximum allowable deflection limit. It is important to note that other factors such as the pipe material's yield strength, wall thickness, and the type of loading (e.g., dead load, live load) also influence the maximum allowable deflection. Therefore, it is crucial to consult the relevant industry standards, codes, and engineering principles to accurately calculate the maximum allowable deflection for steel pipes.

Q:How are steel pipes used in power plants?: Steel pipes are used in power plants for various purposes such as carrying steam, water, and other fluids, as well as transporting fuel and exhaust gases. They are also utilized in the construction of boilers, heat exchangers, and condensers, ensuring efficient and reliable operation of power generation equipment.

Q:How are steel pipes specified in engineering drawings?: Steel pipes are typically specified in engineering drawings by indicating their diameter, wall thickness, material grade, and length. Additional specifications may include the type of connection or joining method, surface finish requirements, and any specific standards or codes that need to be followed.

Q:What are the common applications of steel pipes?: Steel pipes are commonly used in various applications such as water distribution systems, oil and gas pipelines, structural support in buildings and bridges, sewage systems, heating and cooling systems, and industrial processes.

Q:Are steel pipes resistant to ultraviolet (UV) radiation?: Ultraviolet (UV) radiation poses a threat to steel pipes as they do not possess inherent resistance. This type of radiation has the potential to induce degradation and discoloration in various materials, including steel. However, the extent of harm inflicted depends on several factors, including steel type, duration and intensity of UV exposure, and the presence of protective coatings or finishes on the pipes. Generally, uncoated steel pipes are more vulnerable to UV damage compared to those treated with protective coatings or finishes. Coatings such as epoxy or polyethylene act as a shield against UV radiation, effectively preventing steel degradation and discoloration. Hence, it becomes crucial to consider the specific application and environment when selecting steel pipes and implementing suitable protective measures to ensure their durability and performance.

Q:What are the different methods of pipe coating for steel pipes?: There are several methods of pipe coating for steel pipes, including fusion-bonded epoxy (FBE) coating, three-layer polyethylene (3LPE) coating, three-layer polypropylene (3LPP) coating, and liquid epoxy coating. Each method offers different levels of protection against corrosion, abrasion, and other environmental factors, ensuring the durability and longevity of the steel pipes.

Covering an area of 150,000 m2, is with total assets of 500 million RMB，with annual production capacity of 500,000 tons. Currently, we has approximately 1000 employees, including many top-rankingtechnical experts and excellent management team.

1. Manufacturer Overview
Location	Tianjin, China
Year Established	2001
Annual Output Value	500,000Tons
Main Markets	Southeast Asia; Middle East; Oceania; Americas; Europe; Africa;etc.
Company Certifications	API 5L；API 5CT；ISO9001:2008 GB/T 19001-2008

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Tianjin;Qingdao
Export Percentage	50% - 60%
No.of Employees in Trade Department	1000-1100 People
Language Spoken:	English; Chinese; Spanish
b)Factory Information
Factory Size:	Above 150,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered; Design Service Offered
Product Price Range	Average