Nagaoka Steel Works, Ltd.
Head office/Hikari Factory
Zip code #:743-0021
5-23-21 Asae, Hikari-Shi, Yamaguchi Prefecture, Japan
Zip code #:743-0021
5-23-21 Asae, Hikari-Shi, Yamaguchi Prefecture, Japan
Introduction to our products
Processing
We can accept orders for processing a variety of materials from thick ones to thin ones.
Wiredrawing processing, pre-treatment processing, heat treatment processing
| Processing type | Capability | Monthly production capacity | Material applied |
|---|---|---|---|
| Acid cleaning | Phosphate film treatment of the inner surface of coiled long@steel tube | 300 tons | Long steel tube |
| Acid cleaning lubrication | Oxalic acid film treatment of stainless steel wire rod | 300 tons | Stainless steel |
| Acid cleaning treatment of the inner surface of coiled long steel tube | 300 tons | Long steel tube | |
| Heat treatment | Annealing under N2-H2 atmosphere | 1000 tons | Cr stainless steel Carbon steel |
| Heat treatment temperature (~900 degree) | |||
| Wiredrawing | Wiredrawing of thick wire (~36mm dia.) | 1000 tons | Steel materials for cold press |
| Wiredrawing of thin wire (0.8~5mm dia.) | 50 tons | Materials for welding |
Welding materials
There is a long history for 
brand. We perform also a variety of welding works in Kitakyushu-shi.
brand. We perform also a variety of welding works in Kitakyushu-shi. Stainless steel welding materials
| Type | Standard | Production dimension (mm) |
|---|---|---|
| TIG rod | Y308@Y308L@Y309@Y310@Y316 Y316L@Y347@Y410@Y430 |
1,0A1.2A1.6A2.0A2.4A2.6A3.2 |
| MIG wire | 0.8A0.9A1.0A1.2A1.6 |
| Stainless steel TIG rod | Stainless steel MIG wire |
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