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HF-76 Seamless Flux Cored Wire
Ni-Mo Alloyed Seamless Wire for High Strength Steel up to 690 MPa | Designed for Norway
The HF-76 seamless flux cored wire delivers superior performance for high strength structural steels with yield strength up to 690 MPa. It ensures excellent arc stability, clean slag removal, and consistent weld quality.
Because it is designed for demanding environments, the wire performs reliably in offshore, shipbuilding, pressure vessel, and heavy fabrication applications.
Unlike standard cored wires, HF-76 features a seamless Ni-Mo alloyed design that completely prevents moisture absorption and hydrogen pickup. As a result, welders achieve very low hydrogen levels and significantly reduce the risk of cracking.
In addition, it operates with DC+ polarity and 80 % Argon / 20 % CO₂ shielding gas, offering precise control and minimal spatter.
Key Advantages
Provides high-strength welds up to 690 MPa
Prevents moisture absorption and eliminates re-drying
Ensures low hydrogen diffusion (<3.0 ml/100 g)
Delivers excellent feedability and arc stability
Designed for all positions and industrial applications
Available exclusively in Norway from RAM SVEIS OG BEMANNING AS
Technical Highlights
| Parameter | Specification |
|---|---|
| Wire Type | Seamless copper-coated flux cored wire (FCAW) |
| Classification | AWS A5.29 E111T1-K3M H4 / EN ISO 18276-A T 69 4 Mn2NiMo P M21 1 H5 |
| Diameter | 1.2 mm |
| Spool Weight | 15 kg |
| Yield Strength | 760 MPa (≥ 680 MPa) |
| Tensile Strength | 820 MPa (760–900 MPa) |
| Elongation | 19 % (≥15 %) |
| Impact Toughness (CVN) | 75 J at −40 °C |
| Diffusible Hydrogen | < 3.0 ml / 100 g (Guaranteed < 4.0 ml / 100 g) |
| Shielding Gas | 80 % Ar / 20 % CO₂ (M21), 15–25 L/min |
| Polarity | DC+ |
| Welding Positions | All positions |
| Re-Drying | Not required (seamless design) |
| Packaging | 5 kg, 15 kg spools / 200 kg drum |
Applications
HF-76 serves industries that require precision, durability, and high mechanical strength.
It is commonly used in:
Offshore and marine construction
Shipbuilding and heavy fabrication
Pressure vessels and pipelines
General industrial manufacturing
Steel structure assembly
Because of its smooth feeding and uniform arc, welders save time and achieve consistent results.
Furthermore, its seamless design eliminates re-drying, ensuring reliability even in humid Norwegian workshops.
Chemical Composition (Typical wt%)
| Element | % |
|---|---|
| C | 0.054 |
| Mn | 1.790 |
| Si | 0.450 |
| Ni | 2.260 |
| Mo | 0.390 |
| Cr | 0.020 |
| P | 0.010 |
| S | 0.005 |
Typical Operating Parameters – HF-76 Seamless Flux Cored Wire
| Wire Diameter | Voltage (V) | Current (A) | Stick-out (mm) | Gas Flow (L/min) | Polarity | Recommended Use |
|---|---|---|---|---|---|---|
| 1.0 mm | 20–30 | 150–260 | 15–20 | 15–25 | DC + | Light fabrication, thin plate, multipass welding |
| 1.2 mm | 22–32 | 180–300 | 15–20 | 15–25 | DC + | Structural work, offshore, shipbuilding, pressure vessels |
| 1.2 mm (15 kg spool) | 25–34 | 200–320 | 18–22 | 15–25 | DC + | Long seams, automated welding, heavy construction |
Available Packaging
HF-76 is available in 5 kg and 15 kg plastic spools, as well as 200 kg drums for automated systems.
All variants are in stock at RAM SVEIS OG BEMANNING AS in Søgne (Kristiansand) and ready for immediate nationwide delivery.
Why Choose RAM SVEIS OG BEMANNING AS
RAM SVEIS OG BEMANNING AS provides certified welding consumables across Norway.
We combine technical expertise, reliable delivery, and strict quality control to serve both industrial and offshore clients.
By choosing HF-76, customers receive a proven wire that meets DNV standards and performs consistently in the harshest welding environments.
Moreover, this product is available exclusively through RAM SVEIS OG BEMANNING AS, ensuring authentic quality and professional support.
Frequently Asked Questions (FAQ)
1. What is HF-76 Seamless Flux Cored Wire used for?
HF-76 is designed for high strength steels up to 690 MPa. Therefore, it performs exceptionally in offshore, shipbuilding, and heavy fabrication projects, delivering strong welds with minimal hydrogen cracking.
2. Why choose a seamless wire instead of a standard cored wire?
A seamless wire prevents moisture absorption and ensures very low hydrogen levels. Consequently, it improves weld quality, enhances consistency, and extends storage life without re-drying.
3. What shielding gas should be used?
Use 80 % Argon / 20 % CO₂ (M21) with a gas flow between 15 and 25 L/min. This blend creates a smooth arc, clean bead profile, and minimal spatter.
4. Is HF-76 compliant with Norwegian standards?
Yes. It meets AWS A5.29 E111T1-K3M H4 and EN ISO 18276-A T 69 4 Mn2NiMo P M21 1 H5 specifications. As a result, it is fully compatible with DNV requirements for offshore and marine welding in Norway.
5. Which steels are compatible?
HF-76 works perfectly with HY-100, A514, Q690, and other high-strength steels widely used in Norwegian offshore fabrication.
6. Does it need re-drying?
No. Because of its seamless copper-coated construction, it is ready to use directly from the package when stored correctly.
7. Where can I buy HF-76 in Norway?
HF-76 is available exclusively from RAM SVEIS OG BEMANNING AS, with permanent stock in Søgne (Kristiansand) and nationwide delivery.
8. Can RAM SVEIS OG BEMANNING AS provide bulk orders or technical support?
Yes. We offer professional assistance, technical recommendations, and bulk supply quotations for industrial clients. Contact us at post@rammultiinvest.no or by phone at +47 468 43 758 / +47 968 87 890.
Click here to download HF-76-Seamless-Flux-Cored-Wire-FCAW-Specifications-1
HF-76 Seamless Flux Cored Wire Norway – 1.2mm for 690MPa High Strength Steel | DNV-Ready Welding Wire
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