ASTM A106
Seamless carbon steel pipe for high-temperature service
The standard specification for seamless carbon steel pipe for high-temperature service, in Grades A, B and C. Grade B is the most widely used process pipe in refineries and power plants.
- Pipe & tube
- ASME SA-106
- 1 grade in stock range
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What to know before ordering to ASTM A106
The points that decide whether material to ASTM A106 is accepted at inspection.
- Sizes and schedules follow ASME B36.10.
- Pipe dual-certified to A106 B, A53 B and API 5L B is common and accepted by most specifications.
- Matching fittings are ASTM A234 WPB and matching flanges are ASTM A105.
Grades and products we supply to ASTM A106
| Grade | Product | Designation on the certificate |
|---|---|---|
| ASTM A106 Gr B | Pipe & Tube | ASTM A106 Gr B |
How ASTM A106 fits into an order
A purchase order line is only complete when it names the material standard, the dimensional standard and the inspection document. Miss one and the mill, the inspector and the buyer can each read the order differently.
Related standards
ASTM A106 — questions buyers ask
What does ASTM A106 cover?
The standard specification for seamless carbon steel pipe for high-temperature service, in Grades A, B and C. Grade B is the most widely used process pipe in refineries and power plants.
Which grades do you supply to ASTM A106?
ASTM A106 Gr B — see the table on this page for the exact product and designation.
What is the difference between ASTM A106 and ASME SA-106?
ASME SA-106 is the ASME Boiler and Pressure Vessel Code (Section II) adoption of ASTM A106. The technical requirements are usually identical to a specific ASTM edition; pressure-equipment codes call for the ASME designation, and most mill certificates show both.
Do you supply certificates to this standard?
Yes. Material is supplied with mill test certificates to EN 10204 3.1 showing the standard, grade and heat number; 3.2 with third-party inspection on request.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026