Our ASTM A106 B NACE MR 0103 seamless steel pipe is a high-performance carbon steel product that strictly complies with ASTM A106 Grade B standard and meets the requirements of NACE MR 0103 (ANSI/NACE MR0103/ISO 17945) for sulfide stress cracking (SSC) resistance.
It is specifically designed for harsh acidic environments in oil refineries, petrochemical plants, and other downstream oil and gas industries, providing reliable performance under high temperature and high pressure conditions.
As a professional manufacturer and exporter, we offer mill-direct sourcing, stable inventory, and comprehensive certification to meet the needs of global clients in the GCC, Middle East, Africa, Europe, and the Americas.
Technical Specifications
|
Item |
Specification |
|
Standard |
ASTM A106/A106M Grade B, NACE MR 0103 (ANSI/NACE MR0103/ISO 17945) |
|
Material |
High-Quality Carbon Steel (Grade B), Fully Killed Steel |
|
Chemical Composition (Max %) |
C: ≤0.30; Mn: 0.29–1.06; P: ≤0.035; S: ≤0.035; Si: ≥0.10; Cu: ≤0.40; Mo: ≤0.15; Ni: ≤0.40; Cr: ≤0.40; V: ≤0.08 |
|
Mechanical Properties |
Tensile Strength: ≥415 MPa (60,000 psi); Yield Strength: ≥240 MPa (35,000 psi); Elongation: ≥30%; Hardness: ≤22 HRC (≤235 HB) |
|
Size Range |
OD: 1/2" (DN15) – 36" (DN900); Wall Thickness: SCH 10, 20, 40, 80, 160, XXS; Length: 5–7m (SRL), 11–13m (DRL), or custom cut length |
|
Heat Treatment |
Normalized (Mandatory for NACE MR 0103 compliance) |
|
Surface Treatment |
Black painted, bare, pickled & oiled, galvanized, FBE/3PE coating (customizable) |
|
End Type |
Plain End (PE), Beveled End (BE), Threaded End (TE) (customizable) |
|
Inspection & Testing |
100% Hardness Test, Ultrasonic Test (UT), Hydrostatic Test, Chemical Composition Analysis, Mechanical Property Test, NACE SSC Test (optional) |
Applications
Our ASTM A106 Grade B NACE MR0103 seamless pipes are widely used in:
| Industry | Specific Applications |
| Oil & Gas Refineries | Process piping, crude oil lines, high-temperature hydrocarbon transport |
| Petrochemical Plants | Chemical processing lines, reactor connections, heat exchanger piping |
| Power Generation | Boiler tubes, steam lines, feedwater pipes, high-pressure steam systems |
| Sour Service Environments | H₂S-containing crude oil processing, sour gas handling, refinery units with wet H₂S service |
| Industrial Processing | High-temperature fluid/gas transportation, pressure piping systems |
Why Choose Our A106 Grade B NACE MR0103 Pipe?
1. Seamless Construction - No weld seams mean no weak points, ensuring superior structural integrity for bending, flanging, welding, and high-pressure applications
2.High Temperature & Pressure Resistance - Suitable for continuous service from -29°C to 425°C, with excellent performance in steam lines, boiler systems, and heat exchangers
3.NACE MR0103 Certified for Sour Service - Hardness control, heat treatment, and chemical composition strictly managed to meet refinery-specific H₂S resistance requirements, preventing sulfide stress cracking (SSC)
4.Full Traceability - Complete mill test reports (EN 10204 Type 3.1/3.2) available with heat number traceability.
Professional Manufacturer: Years of experience in seamless steel pipe production and export, specializing in high-quality products for sour service and high-temperature applications.
Strict Quality Control: Advanced production equipment and testing facilities, 100% inspection before delivery, ensuring compliance with ASTM and NACE standards.
Competitive Price: Mill-direct supply, no middlemen, offering favorable prices for bulk orders and long-term cooperation.
Global Service: Products exported to over 100 countries and regions, providing professional pre-sales consultation, on-time delivery, and after-sales support (1-year quality guarantee).
Customization Capacity: Flexible customization of size, wall thickness, surface treatment, and packaging to meet specific project requirements (OEM & ODM available).
Certifications & Quality Assurance
We adhere to strict quality control standards throughout the production process, from raw material selection to finished product delivery, to ensure each pipe meets international standards. Our certifications include:
NACE MR 0103 (ANSI/NACE MR0103/ISO 17945) Certification
ASTM A106/A106M Certification
ISO 9001 Quality Management System Certification
CE, PED, IBR Certifications
Third-party Inspection Certifications (SGS, BV, TUV, CCIC available)
All products are accompanied by a complete Material Test Certificate (MTC) with EN 10204 3.1/3.2 standard, providing full traceability of chemical composition, mechanical properties, and inspection results.
Packaging & Delivery
Packaging: Standard export seaworthy packaging; pipes with OD < 273mm are packed in hexagonal bundles with steel strips; pipes with OD ≥ 273mm are loose-packed or wrapped with waterproof paper and steel strips; small sizes can be nested into big sizes to save space. Custom packaging is available upon request.
Marking: Pipe outer wall is marked with "ASTM A106 Gr.B, NACE MR0103, SIZE, MATERIAL, HEAT NO." as per mill standard or customer requirements.
Delivery Port: Tianjin, Shanghai, Qingdao Port (China) (other ports available on request).
Delivery Time: 15–45 days after receiving advance payment , depending on order quantity and specifications.
MOQ: 200 tons (sample available for quality inspection, sample fee refundable for bulk orders).
If you are interested in our ASTM A106 B NACE MR 0103 seamless steel pipe, please feel free to contact us for a detailed quote, sample request, or technical consultation. We are committed to providing you with high-quality products and professional services!
Our address
Rm1406,14th/F No 208, Hongqi Road, Nankai Dist, Tianjin City ,China
Phone Number ( WhatsApp/Wechat)
+86 16622033809
alisa@tjshenzhoutong.com
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