Garden Tools: 420J2 vs 304 Shovels & Pruners

 

Why pruner blades use 420J2?
Affordable hardness (48-52 HRC) holds a sharp edge. Wipe sap/soil after each use and oil joints monthly.

 

Is 304 suitable for shovel heads?
Excellent for rocky soil – won't rust when left dirty. Avoid prying roots to prevent bending.

 

Hang to dry after rain. Rub vegetable oil on blades before storage. Never leave in soil overnight.

 

Soak in cola overnight, scrub with steel wool, then sharpen. Replace if pitted.

 

Long-term storage tips?
Coat metal parts with beeswax. Store off concrete floors in ventilated sheds.