ASTM A106 Gr B — Pipe & Tube, Fittings & Flanges
Also sold as SA-106 Gr B · Seamless carbon steel pipe · UNS K03006
ASTM A106 Gr B is a seamless carbon steel pipe for high-temperature service, chosen for high-temperature process and steam piping in refineries and power plants. We supply it as pipe & tube, fittings, flanges, with EN 10204 3.1 certificates, from Mumbai to India, the Gulf, South-East Asia, South America, Europe, the UK and the USA.
- A106 B
- ρ 7.85 g/cm³
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
ASTM A106 Gr B Products
ASTM A106 Gr B Specifications by Product — Which Standard Applies?
The material standard changes with the product form. This is the table buyers ask for most.
| Product | Material standard | Dimensions |
|---|---|---|
| ASTM A106 Gr B pipe & tube | ASTM A106 Gr B | ASME B36.19 / B36.10 |
| ASTM A106 Gr B fittings | ASTM A234 WPB · ASTM A105 | ASME B16.9 · B16.11 |
| ASTM A106 Gr B flanges | ASTM A105 | ASME B16.5 · B16.47 |
ASTM A106 Gr B Chemical Composition
Under technical review for TDS.
| Element | Current requirement |
|---|---|
| Carbon | As specified |
| Manganese | As specified |
| Silicon | As specified |
| Phosphorus | As specified |
| Sulphur | As specified |
| Chromium | As specified |
| Copper | As specified |
| Nickel | As specified |
| Molybdenum | As specified |
| Vanadium | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification to be verified: ASTM A106 Grade B.
ASTM A106 Gr B Mechanical Properties
Under technical review for TDS.
| Property | Current requirement |
|---|---|
| Tensile strength | As specified |
| Yield strength 0.2% | As specified |
| Elongation | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification and condition to be verified: ASTM A106 Grade B — condition per order.
Density & Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting range | 1420 – 1530 °C |
| Magnetic | Magnetic |
ASTM A106 Gr B Equivalent Grades
Where Is ASTM A106 Gr B Used? Applications
Welding ASTM A106 Gr B
| Matching filler | ER70S-6 / E7018 |
|---|---|
| Also used | Preheat thick walls per the WPS |
ASTM A106 Gr B for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiASTM A106 Gr B — questions buyers ask
What is ASTM A106 Gr B?
ASTM A106 Gr B is a seamless carbon steel pipe for high-temperature service. It is chosen for high-temperature process and steam piping in refineries and power plants.
Which standards cover ASTM A106 Gr B products?
Pipe & Tube: ASTM A106 Gr B; Fittings: ASTM A234 WPB · ASTM A105; Flanges: ASTM A105. Always name the standard and edition on your order.
What is the density of ASTM A106 Gr B?
7.85 g/cm³ — use it to calculate weights: plate kg = L(m) × W(m) × t(mm) × 7.85.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026