boiler panel

Power & Energy • Shibuya City, Tokyo, JP

APPLICATION (+1 pts)

APPROVED

Basic Information

Overview

In waste-to-energy boilers, corrosion caused by chlorides in a reducing atmosphere is a major issue, and in recent years, weld overlay using Alloy 625 has become a common corrosion protection method for newly constructed boilers.

Industry

Power & Energy

Location

Shibuya City, Tokyo, JP

Component/Workpiece

boiler panel

Business Type

Integra - Workshop

Job Type

New

OEM

Mitsubishi Heavy Industries

Type of Wear

Corrosion

Problem Description

The challenge the customer was facing

In this case, for a boiler newly constructed in 2001, the waterwall tubes had become significantly thinned due to corrosion, leading to the planning of a panel replacement project. These panels had not been overlaid with Alloy 625.

Previous Service Life

Welding Alloys Solution

How WA solved the challenge

Panels overlaid with Alloy 625 were fabricated.

Product Category

Integra Services

Product Description

Boiler Panel Cladding

Technical Advantages

By using Ni-based welding materials that are inert to chlorine at high temperatures for weld overlay, the service life can be significantly extended.

Images (3)

Photos and visuals for this case study

Financial Impact

Solution Revenue

¥25,000,000

Submission Details

Contributor

Yuuki Shimizu

yuuki.shimizu@waj.co.jp

Created

April 21, 2026

Submitted

April 21, 2026

Approved By

Laslo Ekres

April 26, 2026

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