ASTM A333 Gr 6 — Pipe & Tube, Fittings & Flanges
Also sold as SA-333 Gr 6 · Low-temperature carbon steel pipe · LTCS
ASTM A333 Gr 6 is a low-temperature carbon steel pipe, impact-tested to −45 °C, chosen for cold-climate and refrigerated piping down to −45 °C. We manufacture, trade and export it as pipe & tube, fittings, flanges; EN 10204 3.1 or 3.2 certificates are available on request / as specified in the PO. Markets we have supplied to include Oman, UAE, Saudi Arabia, Brazil, Argentina, Spain and Chile (India is the home market).
- A333 Gr 6
- ρ 7.85 g/cm³
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
ASTM A333 Gr 6 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 A333 Gr 6 pipe & tube | ASTM A333 Gr 6 | ASME B36.19 / B36.10 |
| ASTM A333 Gr 6 fittings | ASTM A420 WPL6 · ASTM A350 LF2 | ASME B16.9 · B16.11 |
| ASTM A333 Gr 6 flanges | ASTM A350 LF2 | ASME B16.5 · B16.47 |
ASTM A333 Gr 6 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 |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification to be verified: ASTM A333 Grade 6.
ASTM A333 Gr 6 Mechanical Properties
Under technical review for TDS.
| Property | Current requirement |
|---|---|
| Tensile strength | As specified |
| Yield strength 0.2% | As specified |
| Elongation | As specified |
| Charpy impact | 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 A333 Grade 6 — condition per order.
Density & Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting range | 1420 – 1530 °C |
| Magnetic | Magnetic |
ASTM A333 Gr 6 Equivalent Grades
Where Is ASTM A333 Gr 6 Used? Applications
Welding ASTM A333 Gr 6
| Matching filler | E7018-1 / ER80S-Ni1 |
|---|---|
| Also used | Impact-tested procedure required |
ASTM A333 Gr 6 — questions buyers ask
What is ASTM A333 Gr 6?
ASTM A333 Gr 6 is a low-temperature carbon steel pipe, impact-tested to −45 °C. It is chosen for cold-climate and refrigerated piping down to −45 °C.
Which standards cover ASTM A333 Gr 6 products?
Pipe & Tube: ASTM A333 Gr 6; Fittings: ASTM A420 WPL6 · ASTM A350 LF2; Flanges: ASTM A350 LF2. Always name the standard and edition on your order.
What is the density of ASTM A333 Gr 6?
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