The ‘iron’ played to win back to back US Open Championships
Grain Flow Forged / 1025E Pure Select Mild Carbon Steel
The Mizuno ‘irons’ played to win the 2017 and 2018 US Open Championship – are technically not irons at all. Mizuno’s JPX900 Tour’s are forged from premium Japanese steel – 1025E Pure Select Mild Carbon Steel to be precise (as Mizuno’s predictably are).
The billets turn into Mizuno’s magical irons through a patented Grain Flow Forging process in Hiroshima, Japan – which they have since 1968. In simple terms, the billets are cut then hammered into shape one at a time. A sequence of high-pressure hammers, ensure the natural grains of the steel are maintained and tightened – creating Mizuno’s trademark feel. The quality of steel and the process itself also eliminates inconsistencies from head to head – leading to precise distance control for the world’s best players.
In summary – when you need your 6 iron to fly precisely 168 yards on the last day of the US Open, there’s reassurance having a Mizuno Grain Flow Forged iron in hand.
Discuss this article on the Mizuno Forum.
Take a look inside our legendary Grain Flow Forging plant
The men who Grain Flow Forged the US Open winning irons / Hiroshima Japan
