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API 5L Gr. B Carbon Steel Pipe (Grade B / X42 / X52 Seamless & Welded Pipeline)

Name: API-Spec-5L API 5L Gr. B Carbon Steel Pipe (Grade B / X42 / X52 Seamless & Welded Pipeline)
Brand: Ironex China
SKU: API-Spec-5L

Prime Mill Grade | Certified China Exporter & Factory Direct Supply

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Origin: China (Mill Direct) China Steel Exporter EN 10204 3.1 MTC

API 5L Gr. B Carbon Steel Pipe (Grade B / X42 / X52 Seamless & Welded Pipeline) - Technical Overview & Specifications

API Spec 5L is an international standard that specifies the manufacturing requirements for two product specification grades (PSL 1 and PSL 2) of seamless and welded steel pipes used in pipeline transportation systems in the oil and gas industry.

Pricing Status: Real-Time Floating Mill Price (Updated Daily)

In Stock & Ready for Export

Due to daily market movements in raw material costs and exchange rates, prime steel products are quoted on a spot basis rather than fixed prices. We provide transparent wholesale pricing with tier-based volume discounts (FCL / Bulk). Contact our export sales engineering team to receive today's official FOB / CIF quotation and MTC certificate.

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Product Parameters

Product Name	API Spec 5L Steel Pipe
Standard	EN/DIN/JIS/ASTM/BS/ASME/AISI etc.
Outer Diameter	Seamless: 1/4"-36" , Welding: 21.3mm-3620mm
Round Tube: 1/2"-10"	Square Tube/Rectangular Tube: 15x15mm-400x600mm
Wall Thickness	Seamless: 1.25mm-50mm , Welding: 1.65mm-65mm
Length	3-12 meters, Support customization
Surface Process	Bright, Polished, Black
Other Services	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

Chemical Composition

Grade (PSL1)	C (%) max	Mn (%) max	P (%) max	S (%) max	CEiiw max
API 5L Grade B	0.28	1.20	0.030	0.030	0.43
API 5L X42	0.28	1.30	0.030	0.030	0.43
API 5L X52	0.28	1.40	0.030	0.030	0.43
API 5L X65	0.26	1.45	0.030	0.030	0.43

Mechanical Properties

Standard	Brand	Yield Strength(MPa)	Tensile Strength(MPa)
API Spec 5L PSL1	A25	172	310
A	207	331
B	241	414
X42	290	414
X46	317	434
X52	359	455
X56	386	490
X60	414	517
X65	448	531
X70	483	565
API Spec 5L PSL2	B	290-496	414-758
X42	317-524	434-758
X46	359-531	455-758
X52	386-544	490-758
X56	414-565	517-758
X60	448-600	531-758
X65	483-621	565-758
X70	552-690	621-827

International Standard Grade Comparison

Materials No.	European Standard EN 10208-2	German Standard DIN 17172	API 5L
1.0457	L 245NB	You are 240.7	Gr.B
1.0484	L 290NB	You are 290.7	X42
1.0582	L 360NB	StE 360.7	X52
1.8972	L 415NB	You are 415.7	X60
1.0418	L 245MB	You are 240.7 TM	Gr.B
1.0429	L 290MB	You are 290.7 TM	X42
1.0578	L 360MB	You are 360.7 TM	X52
1.8973	L 415MB	You are 415.7 TM	X60
1.8975	L 450MB	You are 445.7 TM	X65
1.8977	L 485MB	You are 480.7 TM	X70

Product Features & Advantages

Manufactured to EN/DIN/JIS/ASTM/BS/ASME/AISI etc. with strict dimensional tolerance and surface quality
Reliable Carbon Steel Pipe solution for construction, machinery and industrial projects
Custom processing available: cutting, bending, decoiling, slitting and surface polishing
Mill Test Certificate (MTC) and full inspection provided