Haihao Group has successfully completed the production and shipment of a batch of seamless steel pipe products to a customer in Iraq. The order includes both carbon steel and duplex stainless steel pipes, all manufactured to meet NACE MR0175 requirements for sour service environments.

Product Details of Seamless Steel Pipe

The supplied seamless steel pipe specifications are as follows:

API 5L Gr.B Seamless Pipe

• Size: 16 inch
• Wall Thickness: STD
• Length: 9.53 meters
• Material: API 5L Grade B
• Standard: ASME B36.10
• End: Beveled End (BE)
• Requirement: NACE MR0175

S32760 Duplex Stainless Steel Pipe

• Size: 2 inch
• Wall Thickness: SCH 40S
• Length: 3.91 meters
• Material: ASTM A790 S32760
• Standard: ASME B36.19M
• End: Beveled End (BE)
• Requirement: NACE MR0175

Each seamless steel pipe is marked for full traceability and inspected to ensure compliance with international standards.

ASTM A790 S32760 BE ASME B36.19M NACE MR0175 seamless steel pipes ready for shipment

Advantages of NACE MR0175 Seamless Steel Pipe

The NACE MR0175 seamless steel pipe is specifically designed for use in sour service environments where hydrogen sulfide (H₂S) is present.

Key advantages include:

• Resistance to sulfide stress cracking (SSC)
• Excellent corrosion resistance
• High mechanical strength
• Reliable performance in harsh oilfield conditions

The duplex grade S32760 seamless steel pipe offers even higher corrosion resistance, making it suitable for offshore and highly corrosive environments.

Applications of Seamless Steel Pipe in Oil & Gas

The seamless steel pipe supplied in this project is widely used in:

• Oil and gas transmission pipelines
• Sour service environments
• Offshore and onshore drilling systems
• Petrochemical plants

Because of its strength and reliability, seamless steel pipe is essential for critical pipeline infrastructure.

FAQ – Seamless Steel Pipe

What is seamless steel pipe used for?

Seamless steel pipe is used in high-pressure and high-temperature applications, especially in oil and gas pipelines.

What is NACE MR0175?

NACE MR0175 is a standard that specifies material requirements for resistance to sulfide stress cracking in sour service environments.

Why use S32760 duplex stainless steel?

S32760 seamless steel pipe provides excellent corrosion resistance and high strength, making it ideal for harsh environments.

What is API 5L Grade B pipe?

API 5L Grade B seamless steel pipe is commonly used for pipeline transportation systems in the oil and gas industry.