Trawl doors with increased service life

General information

Center name

SSAB

Country

Publish Date

July 23, 2021

Description of the case

Each trawl door weights 5.7t with 1t Hardox® used.
Service life: base on different working condition and frequency,9-48 months for those without Hardox®, 13-60 for those with Hardox®

Hardox® 400/450: 6, 8, 10mm as side plate and bottom plate
Hardox® 500: 50mm as shoes

Trawl door shoes
0 – 250 °C / 32 – 480 °F
> 300 mm / > 12.0 "
Granite

1/1

Old solution

S355

Thickness

50 mm

Service life

48 month

New solution

Hardox® 500

Thickness

50 mm

Service life

60 months

Key success factors

Improved service life

~30%