PRODUCT DETAILS

X60 grade high-strength pipeline steel, with a yield strength ≥415 MPa, achieves high strength and high toughness through Mn-Mo-Nb composite microalloying + TMCP, and is a commonly used steel grade for high-pressure gas transmission pipelines.

Product parameters

Steel grade/Grade	Production process	Material standards	Width (mm)	Length / Availability	Thickness (mm)
API 5L Grade B (PSL1/PSL2)	Hot-rolled coils/hot-rolled medium-thick plates; PSL1 delivered in hot-rolled state; PSL2 can be normalized (N) or controlled rolling (N+T), with additional impact and chemical composition strictly controlled	API Spec 5L / ISO 3183; divided into PSL1 (product specification level 1, basic requirements) and PSL2 (product specification level 2, more stringent chemical composition, impact, dimensional tolerance and test requirements)	Coiled plate: 1000–2000 (commonly used: 1219 / 1500 / 1524 / 1829); medium and thick plate: 1500–3200	Coiled plates are supplied in rolls, with a single roll weighing 15-30 tons, and can be cut to length; medium and thick plates are supplied in cut-to-length, with a length of 6000-12000 mm or according to customer requirements.	Coiled plate: 6.0–16.0; medium-thick plate: 10.0–60.0 (corresponding wall thickness after pipe making is 4.0–50.0 mm)
API 5L X42 (PSL1/PSL2)	Hot rolling + controlled rolling and controlled cooling TMCP; PSL2 can be normalized or deformed heat treated, with additional Charpy impact test (0℃ ≥27J)	API Spec 5L / ISO 3183; PSL1 / PSL2 two levels	Coiled plate: 1000–2000; Medium and thick plate: 1500–3200	The plate is rolled into rolls, the weight of a single roll is 15-30 tons; the fixed length of medium and thick plates is 6000-12000 mm	Coiled plate: 6.0–20.0; Medium plate: 10.0–60.0
API 5L X52 (PSL1/PSL2)	Controlled rolling and controlled cooling TMCP (thermo-mechanical rolling); PSL2 usually delivered N+T or M (deformation heat treatment), forced Charpy impact and drop weight tear test DWTT	API Spec 5L / ISO 3183; PSL1 / PSL2; X52 is the entry-level main level for long-distance pipelines	Coiled plate: 1000–2000 (commonly used: 1219/1500/1524/1829/2000); medium and thick plate: 1500–3500	Rolled plates into rolls, single roll weight 20-35 tons; medium and thick plate fixed length 6000-12000 mm, can be directly supplied to spiral welded pipe / straight seam welded pipe / UOE production line	Coiled plate: 6.0–25.4; Medium plate: 10.0–60.0
API 5L X56 (PSL2)	TMCP controlled rolling and controlled cooling; PSL2 normalizing or deformation heat treatment delivery, forced impact and DWTT	API Spec 5L / ISO 3183; usually delivered as PSL2	Coiled plate: 1200–2000; Medium and thick plate: 1500–3200	The plate is rolled into rolls, the weight of a single roll is 20-35 tons; the fixed length of medium and thick plates is 6000-12000 mm	Coiled plate: 8.0–25.4; Medium plate: 10.0–50.0
API 5L X60 (PSL2)	TMCP controlled rolling and controlled cooling + accelerated cooling; PSL2 forced Charpy impact (-10℃ ≥40J) and DWTT (-10℃ ≥85%)	API Spec 5L / ISO 3183; PSL2 delivery	Coiled plate: 1200–2000 (large coil width 1829 / 2000 for large diameter spiral pipe); medium and thick plate: 1500–3500	Rolled plates into rolls, single roll weight 25-35 tons; medium and thick plates to fixed length, direct supply of spiral welded pipes / JCOE straight seam pipe production line	Coiled plate: 8.0–25.4; Medium plate: 12.0–60.0
API 5L X65 (PSL2)	TMCP + Accelerated Cooling; PSL2 forced Charpy impact (-20℃ ≥45J) and DWTT (-15℃ ≥85%); sulfur-resistant version X65MS additional HIC / SSC test	API Spec 5L / ISO 3183; delivered PSL2; HIC / SSC sulfur resistant version available (X65MS)	Coiled plate: 1500–2200 (large coil width is used for large diameter pipes above Ø1219); medium and thick plate: 2000–4000	The plates are rolled into rolls, and the weight of a single roll is 25-40 tons; medium and thick plates are cut to length, directly supplied to UOE / JCOE straight seam pipe production lines	Coiled plate: 10.0–25.4; medium-thick plate: 12.0–80.0 (thick-walled pipe up to 80mm+)
API 5L X70 (PSL2)	Ultra-low carbon bainite TMCP + accelerated cooling (ultra-fast cooling UFC); PSL2 forced low-temperature impact (-30℃ ≥60J) and DWTT (-20℃ ≥85%), strictly controlling carbon equivalent and welding crack sensitivity	API Spec 5L / ISO 3183; PSL2 delivered; HIC / SSC sulfur resistant version available X70MS	Coil: 1500–2200 (large roll width 1829 / 2000 / 2200 for Ø1219–Ø1422 large diameter pipe); medium plate: 2000–4200	The plates are rolled into rolls, with a single roll weighing 30-40 tons; medium and thick plates are cut to length, directly supplied to UOE / JCOE straight seam welded pipe or large diameter spiral welded pipe production lines	Coiled plate: 12.0–26.4; Medium plate: 14.0–80.0
API 5L X80 (PSL2)	Ultra-low carbon bainite TMCP + ultra-rapid cooling (UFC); PSL2 forced low temperature shock (-30℃ ≥80J) and DWTT (-20℃ ≥90%), strictly control HIC / SSC sensitivity	API Spec 5L / ISO 3183; PSL2 delivery; usually customized according to project technical specifications	Coiled plate: 1800–2200 (large coil width, matching Ø1219–Ø1422 large diameter pipe); medium and thick plate: 2000–4200	The plates are rolled into rolls, the weight of a single roll is 30-40 tons; the medium and thick plates are cut to length, directly supplied to the UOE / JCOE straight seam welded pipe production line	Coiled plate: 14.0–26.4; Medium plate: 16.0–60.0

Material Standards

Steel grade/Grade	Surface technology	Chemical composition (PSL2 typical)	Application scope	Equivalent material
API 5L Grade B (PSL1/PSL2)	Hot-rolled black leather / Pickling and rust removal / Shot blasting Sa2.5 / Shop primer coating / Can be matched with 3PE, FBE, 3LPP anti-corrosion coating	C ≤0.22, Mn ≤1.20, Si ≤0.40, P ≤0.025, S ≤0.015, Nb+V+Ti ≤0.15; PSL2 carbon equivalent CEV ≤0.40	Low-pressure oil and gas gathering and transportation pipelines, urban gas pipeline networks, water supply and drainage projects, general structural welded pipes, low-pressure fluid transportation pipes	National standard GB/T 9711 L245 / L245N / L245M; European standard EN 10208-2 L245NB; Japanese standard JIS G3454 STPG370; equivalent to Q245R grade carbon steel
API 5L X42 (PSL1/PSL2)	Hot-rolled black leather / pickling / shot blasting / anti-rust paint coating / can be used for 3PE, FBE, 3LPP anti-corrosion	C ≤0.20, Mn 0.60–1.30, Si ≤0.45, P ≤0.025, S ≤0.015, Nb 0.01–0.05, V 0.02–0.06, Ti ≤0.04; CEV ≤0.42	Medium and low pressure oil and gas long-distance pipelines, urban trunk pipeline networks, gathering and transportation pipelines, structural welded pipes, piling pipes	National standard GB/T 9711 L290 / L290N / L290MB; European standard EN 10208-2 L290NB; corresponding to Q295 grade low alloy
API 5L X52 (PSL1/PSL2)	Hot rolled black leather / pickling / shot blasting Sa2.5 / shop primer / can be matched with 3PE, FBE, 3LPP, PP anti-corrosion layer	C ≤0.20, Mn 1.00–1.45, Si ≤0.45, P ≤0.025, S ≤0.015, Nb 0.02–0.06, V 0.03–0.08, Ti 0.01–0.04, Mo ≤0.20; CEV ≤0.43; PSL2 strictly control S, P	Oil and gas long-distance trunk pipelines, high-pressure gathering and transportation pipelines, urban high-pressure pipeline networks, offshore platform risers, LNG terminal export pipelines	National standard GB/T 9711 L360 / L360N / L360M / L360Q; European standard EN 10208-2 L360NB / L360MB; close to Q355 (formerly Q345) level
API 5L X56 (PSL2)	Hot rolled black leather / shot blasting / shop primer / 3PE / FBE anti-corrosion	C ≤0.18, Mn 1.10–1.50, Si ≤0.45, P ≤0.020, S ≤0.010, Nb 0.03–0.07, V 0.04–0.08, Ti ≤0.04, Cu ≤0.30, Ni ≤0.30; CEV ≤0.45	Medium and high pressure long-distance pipelines, natural gas gathering and transportation trunk lines, large-diameter gas pipelines	National standard GB/T 9711 L390 / L390M; European standard EN 10208-2 L390MB
API 5L X60 (PSL2)	Hot rolled black leather / shot blasting Sa2.5 / shop primer / 3PE / FBE / 3LPP anti-corrosion coating	C ≤0.16, Mn 1.20–1.60, Si ≤0.45, P ≤0.020, S ≤0.010, Nb 0.04–0.08, V 0.04–0.08, Ti ≤0.03, Mo 0.10–0.25, Ni ≤0.30, Cu ≤0.30; CEV ≤0.45	High-pressure natural gas long-distance pipelines, large-diameter gas trunk lines, cold area pipelines, LNG external pipelines	National standard GB/T 9711 L415 / L415M / L415Q; European standard EN 10208-2 L415MB; close to Q420 level
API 5L X65 (PSL2)	Hot rolled black leather / shot blasting Sa2.5 / inorganic zinc silicate primer / 3PE / FBE / polyurethane insulation layer	C ≤0.14, Mn 1.30–1.65, Si ≤0.45, P ≤0.018, S ≤0.005 (sulfur resistance grade ≤0.002), Nb 0.04–0.08, V ≤0.06, Ti ≤0.025, Mo 0.15–0.30, Cr ≤0.30, Ni ≤0.30, Cu ≤0.30; CEV ≤0.42; Pcm ≤0.22	High-pressure natural gas long-distance trunk lines, large-diameter transnational gas pipelines, ocean deepwater risers, cold area pipelines, H2S-containing environments (sulfur-resistant grade)	National standard GB/T 9711 L450 / L450M / L450Q / L450QS; European standard EN 10208-2 L450MB
API 5L X70 (PSL2)	Hot rolled black leather / shot blasting Sa2.5 / shop primer / 3PE / FBE / 3LPP / insulation layer composite anti-corrosion	C ≤0.10 (low carbon bainite), Mn 1.50–1.80, Si ≤0.35, P ≤0.015, S ≤0.003, Nb 0.05–0.10, V ≤0.04, Ti 0.01–0.025, Mo 0.20–0.35, Cr ≤0.30, Ni 0.10–0.30, Cu ≤0.25, B ≤0.0005; CEV ≤0.40; Pcm ≤0.20	High-pressure large-diameter natural gas long-distance trunk lines, transnational gas pipelines, LNG receiving station external pipelines, ocean deepwater risers, pipelines in alpine areas	National standard GB/T 9711 L485 / L485M / L485Q / L485QS; European standard EN 10208-2 L485MB; currently the mainstream high-end steel grade for long-distance pipelines at home and abroad
API 5L X80 (PSL2)	Hot-rolled black leather / shot blasting Sa2.5 / inorganic zinc-rich primer / 3PE / FBE / multi-layer composite anti-corrosion	C ≤0.08 (ultra low carbon), Mn 1.70–2.00, Si ≤0.30, P ≤0.012, S ≤0.002, Nb 0.06–0.11, V ≤0.03, Ti 0.01–0.02, Mo 0.25–0.40, Cr 0.20–0.40, Ni 0.20–0.40, Cu ≤0.25, B ≤0.0005; CEV ≤0.42; Pcm ≤0.20	Ultra-high-pressure large-diameter natural gas long-distance pipelines, high-pressure gas trunk lines, wall thickness reduction and cost reduction projects, long-distance pipelines in alpine areas	National standard GB/T 9711 L555 / L555M / L555Q; European standard EN 10208-2 L555MB; a new generation of high-strength pipeline steel, which has been applied in domestic West-East Gas Transmission and other projects

Customer Praise

All products comply with global mainstream standards: API 5L/5CT, ASTM A106/A53/A335, EN 10216, ISO 3183, JIS and GB standards. Complete MTC and third-party inspection certificates are available.

APPLICATION FIELD

Agricultural Machinery

Aerospace

Shipbuilding

Bridge

Oil pipeline

Chemical industry

Steel structure

Architecture

CUSTOMER VISIT

Customer Visit

FAQ

1.Are You Manufacture or Trade Company?

We are the professional manufacturer of steel products located in China. Welcome to contact us and visit our factory before you place orders.

2. How do you guarantee the quality?

We can send you free samples and also accept third-party testing. We also have test certificates. Every batch of goods is tested before shipment, and the test report will be sent to you by mail or online.

3. Can I get free samples?

Of course you can. We can produce according to your samples or technical drawings. Contact us by whatsapp or email to get free samples and you will get the sample after 3-7 working days.

4. What is the MOQ?

If you are scheduling to place a small quantity order or trial order, feel free to contact us, we can meet your requirements.

5.Can you OEM or ODM?

Yes, we have a strong developing team. The products can be made according to your request.

6.What about your price?

Our price is very competitive because we are a factory. Feel free to contact us if you are interested in our products.

API Spec 5L Pipeline Steel Plate

PRODUCT DETAILS

Product parameters

Material Standards

Customer Praise

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