API 5L X65 / X70 Pipeline Steel Plate – Up to X80 Grade Available

Product Overview

CJM Steel supplies high-strength pipeline steel plates manufactured to meet API 5L X65, X70, and X80 specifications. These steel plates are widely used in the construction of oil and gas transmission pipelines, high-pressure transport lines, and long-distance infrastructure projects.

Compared to lower grades such as X42–X52, API 5L X65, X70, and X80 offer improved yield strength, excellent weldability, and outstanding resistance to corrosion and cracking under harsh environments.

Product Specifications

Our API 5L GR X65 / API 5L GR X70 / X80 steel plates are manufactured under PSL1 or PSL2 standards and available in custom dimensions:

• Thickness: 6–100 mm
• Width: up to 3600 mm
• Length: as required
• Certification: EN 10204 3.1 / 3.2
• Surface: Hot-rolled, mill edge or cut edge

Looking for X65 carbon steel or steel X70 with specific dimensional and toughness requirements? We offer reliable solutions tailored to pipeline standards.

Typical Applications

High-strength API X65, API X70, and API X80 plates are widely used in:

• Long-distance oil and gas transmission
• High-pressure regional distribution networks
• Subsea pipelines and LNG transport
• Sour service pipelines with special corrosion resistance

👉 Related Products:

• X42–X52 Pipeline Steel Plates
• API 5L X56 / X60 Pipeline Steel Plate
• Pipeline Steel Plate Selection Guide

Chemical Composition

Grade	C	Mn	P	S	Si	Nb	V	Ti
X65 (PSL2)	0.12	1.65	0.025	0.015	0.45	0.05	0.06	0.04
X70 (PSL2)	0.12	1.65	0.025	0.015	0.45	0.05	0.06	0.04
X80 (PSL2)	0.12	1.90	0.025	0.015	0.45	0.06	0.08	0.04

Mechanical Properties

Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)	Impact Test (°C)
X65	≥ 450	535–760	≥ 22	-30
X70	≥ 485	570–760	≥ 22	-30
X80	≥ 555	625–825	≥ 21	-30

Global Delivery & Export Services

CJM has over 1 million tons of inventory, including a large stock of API 5L steel plates ready for export.
We ship worldwide with FOB / CIF / DDP options, flexible MOQ, and efficient customs documentation support.

Trusted by pipeline contractors from 40+ countries and regions all over the world.

• Type: Standard Seaworthy Packing
• Delivery time: 7-15 Days After We Get The Payment
• Size: Based On Orders
• Packaging Details: As Customer Requirement

About CJM – Your Trusted Pipeline Steel Exporter

As a trusted API steel plate supplier, CJM offers a comprehensive inventory of API 5L X65, X70, and X80 pipeline steel plates, supporting global pipeline construction projects across the Americas, Africa, Southeast Asia, and the Middle East. We ensure traceable mill certification, consistent mechanical performance, and fast delivery to meet project deadlines.

Our pipeline steel is suitable for both sour and non-sour service conditions and can be customized with additional requirements such as HIC resistance, improved toughness, and low-temperature performance.

Get an Instant Quote

Let’s help you find the right pipeline-grade steel plate at the best price.

Email: info@cjmstainlesssteel.com
WhatsApp / WeChat: +8618191906640

Q: What is your company’s main products/services?

A: We are a professional manufacturer for Carbon Steel, Alloy Steel and Profile products. We have the experience of steel business for more than 10 years and our products are exported to Mid East,South America,Southeast Asia,Africa,South and East Asia etc.

Q: Can I go to your factory for a visit?

A: Of course, we welcome customers from all over the world to visit our factory.

Q: What are your terms of payment?

A: 30% T/T deposite and 70% balance before shipment.

Q: What is your delivery time?

A: For stocks,we could transport the goods to loading port within 7 days after we received the deposit; For production,it usually takes about 15-30 days after receiving the deposit.

Q: Do you provide samples? Are they free or paid?

A: Samples are available for free,but the courier freight will be covered by customer account.

Q: Do you accept the third party inspection?

A:Yes, we fully accept ‌third-party inspections.

Q: Why should I buy from you not from other suppliers?

A: Integrating the superior resources of China’s steel industry, we provide customers with high-quality steel products at preferential prices, and can ensure that the goods are delivered to customers in a timely manner.

Q:How can you guarantee quality?

A: Always a pre-production sample before mass production;Always 100% inspected before shipment