BOHLER DIAMONDSPARK 700MC 1.2MM 16KG
Böhler Diamondspark 700MC 1.2mm 16kg – High-Strength Metal Cored Welding Wire
Product Overview
Böhler Diamondspark 700MC is a seamless, metal-cored MAG welding wire engineered for shielded-arc welding of high-strength thermo-mechanically controlled processed (TMCP) and quenched & tempered (Q+T) fine-grained structural steels — commonly S690-grade steel and equivalents. Produced using seamless manufacturing technology, this 1.2mm wire on a 16kg spool delivers the high productivity, weld consistency, and mechanical reliability demanded in heavy-duty fabrication environments.
Key Features
- Seamless metal-cored construction — no cold-formed seam, resulting in consistent feeding and stable arc ignition
- High strength with excellent toughness — matched for structural steels up to and around 690 MPa yield strength
- Low diffusible hydrogen content (<2 ml/100g weld metal) — comparable to solid wire performance, reducing the risk of hydrogen-induced cracking
- Extremely stable arc across a wide range of welding parameters
- Higher wire rigidity for exact ignition and excellent feedability, even through long torch cables
- Robotized/automated welding ready — consistent chemistry and feeding make it well suited for high-volume, serial robotic production
- Versatile gas compatibility — designed for Ar + CO2 mixed shielding gas (PA/PB positions), with good results also achieved using CO2, 8–10% CO2+Ar blends, and out-of-position welding (PG)
Typical Applications
- Crane and lifting equipment fabrication
- Heavy machinery and mobile equipment manufacturing
- Offshore structures and platforms
- Shipbuilding and bridge construction
- Automotive and structural components requiring high-strength, low-wall-thickness joints
- Any fabrication of S690 TMCP or Q+T structural steel grades
Specifications
| Attribute | Detail |
|---|---|
| Brand | Böhler Welding (voestalpine Böhler Welding) |
| Product Line | Diamondspark |
| Type | 700 MC – Seamless Metal Cored Wire |
| Wire Diameter | 1.2 mm |
| Spool Weight | 16 kg |
| Shielding Gas | Ar + CO2 (M21); alternative gases compatible |
| Diffusible Hydrogen | < 2 ml / 100g weld metal |
| Recommended Base Material | S690 structural steel (TMCP / Q+T), 690 MPa yield-strength class |
Why Choose Böhler Diamondspark 700MC?
For fabricators working with high-strength structural steel, this wire combines the productivity of a cored wire with weld metal quality rivaling solid wire — smooth bead profiles, minimal spatter, and a harmonized hardness profile even in low heat input welding processes. It's an ideal choice for shops looking to increase welding speed without compromising joint integrity on demanding, high-yield-strength applications.