From the heart of Hamilton, New Zealand, Latham Steel has built a reputation for quality and reliability in the steel industry. As a trusted manufacturer and supplier, we understand that the right materials are the foundation of any successful project. That’s why we take pride in producing and stocking our J356 Tubing, a versatile product crafted to meet the demanding needs of local and international clients across a wide range of applications, ensuring strength and durability are always delivered.
The J356 Tubing we produce is a carbon steel known for its dependable and balanced characteristics. Its composition offers excellent weldability and formability, making it a practical choice for fabricators. Mechanically, this tubing provides a solid combination of tensile strength and good ductility, meaning it can handle significant stress while still offering the flexibility needed for various shaping and fabrication processes without compromising its structural integrity.
| Grade: | ASME/ASTM SA179, SA192, SA210, SA178, SA214, API 5L |
|---|---|
| Size: | 1/8” NB TO 24” NB Sch 40/80/160/XXS |
| Form | Round, Square, Rectangular, Coil, U Tube, |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Bevelled End |
| Type | Seamless / ERW / Welded |
| Certification For Carbon | Mill Test Certificate as per EN 10204 / 3.2B |
| General Requirements | ASTM A 530/A 530M |
| Dimensional Tolerances | ANSI B 36.10 |
| OD Range | 1.250″ – 6.000″ (30-150mm) |
| Wall Range | 0.095″ – 1.000″ (.2.5-25mm) |
| CHEMICAL REQUIREMENTS | ||
| Element | Cast or Heat Analysis: Weight % | |
| J356 | J356 Type-A | |
| Carbon | 0.06 Min/0.18 Max | 0.02 Min/0.18 Max |
| Manganese | 0.30 Min/0.60 Max | 0.10 Min/0.60 Max |
| Phosphorus | 0.04 Max | 0.04 Max |
| Sulfur | 0.06 Max | 0.05 Max |
| MECHANICAL PROPERTIES | |
| Properties | Values |
| Yield Strength (Min) | 25,000 PSI |
| Tensile Strength (Min.) | 45,000 PSI |
| Elongation in 2” (Min) | 35% a |
| Hardness (Rockwell B)(Max) | 65 b |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| TUBING WALL THICKNESS TOLERANCES | |||
|---|---|---|---|
| Nominal Wall Thickness (Inches) |
Nominal Tube OD Through 1” (+/- Inches) |
Nominal Tube OD Over 1” Through 2” (+/- Inches) |
Nominal Tube OD Over 2” Through 4” (+/- Inches) |
| .028 (22 Ga) | .002/.003 | .003/.003 | .003/.003 |
| .035 (20 Ga) | .002/.004 | .002/.004 | .002/.004 |
| .042 (19 Ga) | .002/.004 | .002/.004 | .002/.005 |
| .049 (18 Ga) | .004/.005 | .003/.005 | .004/.008 |
| .058 (17 Ga) | .006/.006 | .004/.008 | .004/.008 |
| .065 (16 Ga) | .006/.006 | .004/.008 | .004/.008 |
| .072 (15 Ga) | .006/.010 | .006/.010 | .006/.010 |
| .083 (14 Ga) | .006/.010 | .006/.010 | .006/.010 |
| .095 (13 Ga) | .006/.010 | .006/.010 | .006/.010 |
| .100 | .006/.010 | .006/.010 | .006/.010 |
| .109 (12 Ga) | .006/.010 | .006/.010 | .006/.010 |
| .118 | .006/.010 | .006/.010 | .006/.010 |
| .120 (11 Ga) | .006/.010 | .006/.010 | .006/.010 |
| .134 (10 Ga) | .006/.010 | .006/.010 | .006/.010 |
| .148 (9 Ga) | — | .007/.001 | .007/.011 |
| .156 (5/32) | — | .007/.011 | .007/.011 |
| .165 (8 Ga) | — | .007/.011 | .007/.011 |
| .180 (7 Ga) | — | .007/.011 | .007/.011 |
| .197 | — | .008/0.12 | .008/0.12 |
| .203 (6 Ga) | — | .008/0.12 | .008/0.12 |
| .219 (7/32) | — | .008/.012 | .008/.012 |
| .236 | — | .014/.018 | .014/.018 |
| .238 (4 Ga) | — | .014/.018 | .014/.018 |
| .259 (3 Ga) | — | .014/.020 | .014/.020 |
The uses for our J356 Tubing are incredibly diverse, finding a home in numerous essential industries. It’s commonly seen in structural frameworks, providing the skeleton for buildings and machinery. You’ll also find it in general engineering applications, from protective handrails and fencing to agricultural equipment and conveyor systems. Its reliability makes it a go-to material for anything requiring a sturdy, cost-effective, and easily workable steel tube, supporting both everyday infrastructure and specialised industrial projects right here in New Zealand and beyond.
Latham Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Hamilton, New Zealand.
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