Sumitomo General Catalog 2025-2026

Cermet

Various grades and expanded range of inserts meet a wide range of finishing needs. Lineup includes wear-resistant T1000A, general-purpose T1500A, general-purpose coated cermet T1500Z, T2500Z and tough T2500A grades. Expanded lineup for a wide variety of finishing applications.

A

Features

Uncoated

Uncoated

T1000A

T1500A

High-hardness grade with superior wear resistance · Improved wear and fracture resistance · Solid solution hard phase reduces reaction with steel · Perfect for high-speed continuous finishing of steel, cast iron, and powdered metal

A general-purpose grade that provides both wear and fracture resistance with higher-quality surface finishes · Mixing hard phases of different functionality grain size and composition improves balance of wear and fracture resistance. · Improved cutting edge treatment technology provides beautiful finished machined surfaces.

T1000A

T1500A

Uncoated

Coated

T2500A

General-purpose coated grade that employs our proprietary Brilliant Coat* PVD coating with excellent lubricity · Excellent wear resistance provides long tool life. · Reduces adhesion of work material for beautiful finished machined surfaces. T1500Z & T2500Z

Tough grade with excellent fracture resistance and thermal crack resistance · Fine, uniform grain structure greatly improves toughness · Improves thermal crack resistance due to the high thermal conductivity and realizes stable, long tool life

T2500A

T1500Z & T2500Z

Characteristic Values

For Turning

Work Material

Grade

Hardness (HRA)

TRS (GPa)

Coating Type Coating Thickness (μm)

Features

Old Grades

· For continuous machining of steel · High-hardness grade with superior wear resistance · Supports finishing of cast iron and sintered metals · Our 1st recommended cermet grade for turning steel · General-purpose grade with an excellent balance of wear and fracture resistance, achieving an excellent machined surface over a wide range of cutting conditions · For interrupted machining of steel · Fine, uniform grain structure greatly improves toughness, realizing long tool life and excellent surface finishes even with interrupted cutting · Adopts Brilliant Coat for excellent lubricity and higher machined surface quality · For finishing steel · High toughness & high thermal conductivity · High efficiency machining with good surface finish · For interrupted machining of steel · Grade with a tough substrate for interrupted finishing

T1000A

93.3

1.8

T110A

T1500A

92.0

2.2

T1200A

Steel

T2500A

91.8

2.4

®

Brilliant Coat * Brilliant Coat *

T1500Z

92.0

2.2

3

T2000Z

Cast Iron

®

T2500Z

92.0

2.4

3

T3000Z

91.3

2.4

ZX Coat

3

For Milling

Work Material

Grade

Hardness (HRA)

TRS (GPa)

Coating Type Coating Thickness (μm)

Features

Old Grades

· For finishing of steel and stainless steel · Excellent balance of wear and fracture resistance, achieving excellent machined surface quality over a wide range of cutting conditions

T1500A

92.0

2.2

T1200A

· For finishing of steel and stainless steel ·Tough grade with enhanced crack spread resistance

T250A

91.4

2.1

Steel

· For finishing of steel and stainless steel · Fine, uniform grain structure greatly improves toughness, realizing long tool life and excellent surface finishes · For finishing of steel and stainless steel · Tough grade with excellent fracture resistance and reduced thermal cracking

T2500A

91.8

2.4

T250A

Stainless Steel

T4500A

91.0

2.3

A29

* Brilliant Coat may appear a slightly different color or luster due to light interference, but these variations do not affect the performance.

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