Grade 8625 The most innovative and reliable solution for stainless steel turning
NEW CVD GRADE FOR M25 APPLICATIONS
FIRST CHOICE FOR STAINLESS STEEL TURNING M25 applications are the most important stainless steel turning area. It means different parts, sizes, materials and machining conditions. It is both a roughing and semi-finishing area, very critical for all market segments. Safety has developped the new 8625 grade to meet this industrial demand with the higher productivity and reliability. A good balance of toughness and wear resistance makes this new grade matching high speed machining whatever the conditions. 8625 is based on both a new coating technology and a new substrate recently developped for this area. Our 8625 grade will be the RIGHT SOLUTION for your further success!
FEATURES AND ADVANTAGES ❯ RELIABLE SUBSTRATE: The substrate has increased resistance to plastic deformation at high temperatures and whatever the conditions: semi-finishing, roughing, continuous and intermittent cutting. ❯ OPTIMIZED CVD COATING: New multilayers CVD coating to improve notch wear, flaking and build-up edge resistance which are the main wear mechanism in stainless steel turning. ❯ COMPLEMENTARY AREA: 8625 is a second choice to machine low carbon steel, low alloyed steel and exotic alloys (Nickel and Cobalt base).
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GRADE 8625 INDUSTRIES AUTOMOTIVE
DIE & MOLD
OIL/GAS
AEROSPACE
POWER GENERATION
OFF HIGHWAY
MEDICAL
MARINE
APPLICATION AREAS ISO group PVD Wear resistance
CVD
M01 M05
9605
M10
M
Coated grades Carbide
M15 M20
8515
NEW
8620 8625
M25 M30
8535
M35 Toughness
Customer Service - Tel.: +33(0)1.46.10.54.00 Fax: +33(0)1.46.10.54.54
M40
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GRADE 8625 GRADE DESCRIPTION Grade 8625
Description
Performance
MTCVD coated carbide
General machining grade
Multilayers TiCN/AI203/TiN High cobalt substrate
Enhanced plastic deformation resistance
Thin coating
High toughness
High resistant build-up edge
Chipping resistance Enhanced build-up resistance
ISO material
Stainless steels: ferritic, austenitic, PH & duplex
M25
General machining & roughing Continuous & interrupted cuts
P30
Notch wear resistance Flaking resistance
Applications
S15
Steels: low carbon, alloy General machining ; interrupted cuts High temperature alloys Semi-finishing ; continuous cuts
APPLICATION AREA Materials: 1st choice for ferritic, austenitic, martensitic stainless steel, duplex, super-duplex, precipitation hardening stainless steel (as 15-5Ph, 17-4Ph) Complementary grade for low carbon steel, low alloy steel, high temp alloys (Nickel, cobalt base)
Applications: Semi-finishing to roughing Longitudinal turning, facing, profiling Continuous and intermittent cutting
MACHINING CONDITIONS
Continuous cutting
Run-out
Light
Medium
High
8515 8620 8625
NEW
8535
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GRADE 8625 COATING
Optimized edge preparation to provide accurate control of cutting edge
Special post treatment of the TiN layer to have an ultra smooth surface reducing adhesion and build-up edge
Yellow coating for easy wear detection
New multilayers CVD coating: Ultra smooth TiN for easy wear detection and increasing adhesion resistance TiN/Al2O3 multilayers recently developped for stainless steel machining to increase aking, build-up edge and temperature resistance TiCN for abrasive wear resistance
New tough tungsten carbide substrate: High cobalt substrate with increased plastic deformation resistance at high speed
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GRADE 8625 CUTTING DATA Negative top form geometry
MTCVD coated
P Steels
8625
Operation
Cutting speed / Chipbreaker designation ap Depth of cut mm
f Feed mm/rev
Free machining & low Medium carbon & high carbon steels carbon steels vc m/min
Geo. 1st
2nd
vc m/min
Geo. 1st
2nd
Alloy steels & easy to Tool steels & die steels machine tool steels Geo.
vc m/min
1st
Geo.
vc m/min
2nd
1st
2nd
R
2.0-7.6
0.25-0.64
137
M7
M5
107
M7
M5
-
-
-
-
GP
1.0-3.8
0.2-0.4
213
M5
M4
152
M5
M4
-
-
-
-
F
-
-
-
-
-
-
-
-
-
-
MTCVD coated
M Stainless steels
Operation
Cutting speed / Chipbreaker designation
R 8625
ap Depth of cut mm
2.0-6.4
f Feed mm/rev
0.2-0.64
Ferritic & martensitic
Austenitic
Geo.
vc m/min
1st
61-168
M7
M5
Geo.
vc m/min
2nd
PH & duplex
1st
61-137
M7
M5
Geo.
vc m/min
2nd
1st
61-122
2nd
M7
M5
GP
1.0-3.8
0.15-0.38
76-198
M5
M4
76-183
M5
M4
61-137
M5
M4
F
0.25-1.3
0.13-0.25
91-229
M4
F5
76-213
M4
F5
61-152
M4
F5
MTCVD coated
S High temp alloys
8625
R = Roughing GP = General purpose F = Finishing FT = Flat top
Operation
Cutting speed / Chipbreaker designation ap Depth of cut mm
f Feed mm/rev
Iron base alloys A-286 discalloy, incoloy vc m/min
Geo. 1st
Nickel base alloys monel, hastelloy, inconel, waspaloy
2nd
vc m/min
-
Geo. 1st
-
Cobalt base alloys haynes stellite
2nd
vc m/min
-
Geo. 1st
-
2nd -
Titanium alloys 6Al-4V vc m/min
Geo. 1st
2nd
R
-
-
-
-
-
GP
1.0-3.8
0.15-0.3
30-61
M5
M4
23-46
M5
M4
23-38
M5
M4
-
-
F
0.25-1.3
0.13-0.25
30-76
M4
F5
23-53
M4
F5
23-46
M4
F5
-
-
Bold print indicates ďŹ rst choice
Cutting parameters provided for positive inserts are based on CCMT 12 04 08 Cutting parameters provided for negative inserts are based on CNMG 12 04 12 You may increase/decrease cutting parameters to optimize your application depending on many factors including: work piece type and hardness, surface ďŹ nish required, insert size, shape and nose radius, lead angle, chipbreaker, cycle time required, desired tool life, desired failure mode and reason for indexing.
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Customer Service - Tel.: +33(0)1.46.10.54.00 Fax: +33(0)1.46.10.54.54
GRADE 8625 CUTTING DATA Positive top form geometry
MTCVD coated
P Steels
8625
Operation
Cutting speed / Chipbreaker designation ap Depth of cut mm
f Feed mm/rev
Free machining & low carbon steels vc m/min
Medium carbon & high carbon steels
Geo. 1st
Geo.
vc m/min
2nd
Alloy steels & easy to machine tool steels
1st
Geo.
vc m/min
2nd
Tool steels & die steels
1st
Geo.
vc m/min
2nd
1st
2nd
R
0.8-3.1
0.13-0.5
183
PM5
168
PM5
137
PM5
-
-
GP
0.8-3.1
0.13-0.5
213
PM4
152
PM4
122
PM4
-
-
F
-
-
-
-
-
-
-
-
-
-
MTCVD coated
M Stainless steels
8625
Operation
Cutting speed / Chipbreaker designation ap Depth of cut mm
R
-
GP F
f Feed mm/rev
Ferritic & martensitic
Austenitic
Geo.
vc m/min
1st
2nd
vc m/min
PH & duplex Geo.
1st
Geo.
vc m/min
2nd
1st
2nd
-
-
-
-
-
-
-
0.25-2.5
0.13-0.3
76-183
PM5
76-183
PM5
61-152
PM5
0.25-2.0
0.13-0.25
91-244
PM4
76-213
PM4
61-183
PM4
MTCVD coated
S High temp alloys
8625
R = Roughing GP = General purpose F = Finishing FT = Flat top
Operation
Cutting speed / Chipbreaker designation ap Depth of cut mm
f Feed mm/rev
Iron base alloys A-286 discalloy, incoloy vc m/min
Geo. 1st
2nd
Nickel base alloys monel, hastelloy, inconel, waspaloy vc m/min
Geo. 1st
2nd
Cobalt base alloys haynes stellite vc m/min
Geo. 1st
2nd
Titanium alloys 6Al-4V vc m/min
Geo. 1st
2nd
R
-
-
-
-
-
-
-
-
-
-
GP
0.25-2.5
0.13-0.3
30-61
PM5
23-46
PM5
23-38
PM5
-
-
F
-
-
-
-
-
-
-
-
-
-
Bold print indicates ďŹ rst choice
Cutting parameters provided for positive inserts are based on CCMT 12 04 08 Cutting parameters provided for negative inserts are based on CNMG 12 04 12 You may increase/decrease cutting parameters to optimize your application depending on many factors including: work piece type and hardness, surface ďŹ nish required, insert size, shape and nose radius, lead angle, chipbreaker, cycle time required, desired tool life, desired failure mode and reason for indexing.
Customer Service - Tel.: +33(0)1.46.10.54.00 Fax: +33(0)1.46.10.54.54
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GRADE 8625 GEOMETRY APPLICATION Negative geometry
Chipbreaker profile
Applications P
1.0
Description
Depth of cut (mm) 10 9
15°
M
Continuous cutting
8 7
Light
Run-out
Medium
High
6
F5
5
F5
4
t Finishing to medium machining t High positive cutting angle t Low cutting forces - ideal for soft materials, work hardening materials
r = 0.8
3
S
Main application area:
2 1 0
r = 0.4 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Depth of cut: ap = 0.3 - 5.0 mm Feed: f = 0.05 - 0.4 mm/rev
Feed (mm/rev)
Depth of cut (mm)
1.9
10 9
0.9
M
15 °
Continuous cutting
8 7
Run-out
Light
Medium
High
6 5
M4
M4
r = 1.2
4 3
t Multi-purpose geometry for machining of sticky materials
S
2
r = 0.8
Main application area:
1 0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Depth of cut: ap = 1 - 6 mm Feed: f = 0.15 - 0.5 mm/rev
Feed (mm/rev)
P
0.8
Depth of cut (mm) 10 9
0.23
M 7°
Continuous cutting
8
Run-out
Light
Medium
High
7
13°
K
6 5
M5
4 3
t General machining t Wide range of materials t Positive cutting angle t Medium feed rates and medium depths of cut
M5
r = 0.4
Main application area:
2 1 0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Depth of cut: ap = 0.5 - 6.0 mm Feed: f = 0.13 - 0.56 mm/rev
Feed (mm/rev)
P
1.1
r = 1.2 r = 0.8
Depth of cut (mm) 10 9
0.2
M
15°
Continuous cutting
8 7
K
6 5
M7
Run-out
Light
Medium
r = 1.6 r = 1.2 r = 0.8
High
M7
4 3
t Medium to light roughing t Smooth chipbreaker for soft materials t Neutral land for a good resistance
2
S
r = 0.4
Main application area:
1 0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Feed (mm/rev)
3.1
P M
Continuous cutting
8 7
15°
5G
Run-out
Light
Medium
High
6 5
r 1.9
4 3
t Oriented (right or left) t Good support t Wide chip roller t Soft cutting
8
Depth of cut (mm) 10 9
1.23
Double sided
Depth of cut: ap = 0.8 - 6.5 mm Feed: f = 0.15 - 0.8 mm/rev
5G
r = 0.8 r = 0.4
2
S
Main application area:
1 0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Feed (mm/rev)
Depth of cut: ap = 1.0 - 5.0 mm Feed: f = 0.2 - 0.5 mm/rev
Customer Service - Tel.: +33(0)1.46.10.54.00 Fax: +33(0)1.46.10.54.54
GRADE 8625 GEOMETRY APPLICATION Positive geometry
Chipbreaker profile 0.75
Applications P
0.10 18°
Description
Depth of cut (mm) 5
M
4
K
3
Continuous cutting
r = 0.8
Light
Run-out
High
PM4
r = 0.4
PM4
Medium
2
t Semi-finishing to medium machining t Low to medium feed rates t Medium depths of cut t Good chip control 1
20°
5°
0
PM5
0.1
0.2
0.3
0.4
Depth of cut: ap = 0.6 - 4.0 mm Feed: f = 0.1 - 0.36 mm/rev
0.5
Feed (mm/rev)
P
0.25
Main application area:
1
Depth of cut (mm) 5
M
4
K
3
Continuous cutting
r = 0.8
Light
Run-out
Medium
High
PM5
r = 0.4 2
t Semi-finishing to light roughing t Medium feed rates t Medium depths of cut
Main application area:
1
0
0.1
0.2
0.3
0.4
Depth of cut: ap = 0.6 - 4.0 mm Feed: f = 0.12 - 0.4 mm/rev
0.5
Feed (mm/rev)
TEST RESULTS Material: AISI 304
Material: AISI 316
SAFETY insert
CNMG 12 04 08 M4
SAFETY insert
CNMG 12 04 08 M5
Speed (m/min)
110
Speed (m/min)
90
Feed (mm/rev)
0.22
Feed (mm/rev)
0.15
DOC (mm)
2
DOC (mm)
1
Application
Roughing
Application
Semi-finishing
Condition
Intermittent cutting
Condition
Intermittent cutting
Coolant
Emulsion
Coolant
Emulsion
TOOL LIFE
TOOL LIFE
8625
8 parts
8625
126 parts
Competitor
4 parts
Competitor
70 parts
IMPROVEMENT
100%
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IMPROVEMENT
80%
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GRADE 8625 PRODUCT OFFERING Dimensions (mm) Chipbreaker
CCMT PM5
CNMG F5
CNMG M4
CNMG M5
CNMG M7
DCMT PM4
DNMG 5G
Dimensions (mm)
Reference
Chipbreaker I.C.
CCMT PM4
CVD grade Reference
Thickness Radius 8625
CCMT 09T308-PM4
09
T3
08
✓
CCMT 120408-PM4
12
04
08
✓
CCMT 060202-PM5
06
02
02
✓
CCMT 060204-PM5
06
02
04
✓
CCMT 080304-PM5
08
03
04
✓
CCMT 080308-PM5
08
03
08
✓
CCMT 09T304-PM5
09
T3
04
✓
CCMT 09T308-PM5
09
T3
08
✓
CCMT 120408-PM5
12
04
08
✓
CCMT 120412-PM5
12
04
12
✓
CNMG 120404-F5
12
04
04
✓
CNMG 120408-F5
12
04
08
✓
CNMG 120404-M4
12
04
04
✓
CNMG 120408-M4
12
04
08
✓
CNMG 120412-M4
12
04
12
✓
CNMG 160612-M4
16
06
12
✓
CNMG 190612-M4
19
06
12
✓
CNMG 120404-M5
12
04
04
✓
CNMG 120408-M5
12
04
08
✓
CNMG 120412-M5
12
04
12
✓
CNMG 120404-M7
12
04
04
✓
CNMG 120408-M7
12
04
08
✓
CNMG 120412-M7
12
04
12
✓
CNMG 160608-M7
16
06
08
✓
CNMG 160612-M7
16
06
12
✓
CNMG 190612-M7
19
06
12
✓
CNMG 190616-M7
19
06
16
✓
DCMT 070204-PM4
07
02
04
✓
DCMT 11T304-PM4
11
T3
04
✓
DCMT 11T308-PM4
11
T3
08
✓
DCMT 11T312-PM4
11
T3
12
✓
DNMG 150604L-5G
15
06
04
✓
DNMG 150604R-5G
15
06
04
✓
DNMG 150608L-5G
15
06
08
✓
DNMG 150608R-5G
15
06
08
✓
CVD grade
I.C.
Thickness Radius 8625
DNMG F5
DNMG 150604-F5
15
06
04
✓
DNMG 150608-F5
15
06
08
✓
DNMG M4
DNMG 150608-M4
15
06
08
✓
DNMG 150612-M4
15
06
12
✓
DNMG M5
DNMG 110404-M5
11
04
04
✓
DNMG 110408-M5
11
04
08
✓
DNMG 150604-M5
15
06
04
✓
DNMG 150608-M5
15
06
08
✓
DNMG 150612-M5
15
06
12
✓
ECMT 060204-PM4
06
02
04
✓
ECMT 080304-PM4
08
03
04
✓
ECMT 080308-PM4
08
03
08
✓
ECMT PM4
KNUX 22
KNUX 160405L-22
16
04
05
✓
KNUX 160405R-22
16
04
05
✓
KNUX 32
KNUX 160405L-32
16
04
05
✓
KNUX 160405R-32
16
04
05
✓
SCMT PM4
SCMT 09T304-PM4
09
T3
04
✓
SCMT 09T308-PM4
09
T3
08
✓
SNMG F5
SNMG 120408-F5
12
04
08
✓
SNMG M4
SNMG 120408-M4
12
04
08
✓
SNMG 120412-M4
12
04
12
✓
✓: Standard stocked
10
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GRADE 8625 PRODUCT OFFERING Dimensions (mm) Chipbreaker
SNMG M7
TCMT PM4
TCMT PM5
TNMG F5
TNMG M4
TNMG M5
TNMG M7
Chipbreaker
Reference I.C.
SNMG M5
Dimensions (mm)
CVD grade
12
04
04
✓
SNMG 120408-M5
12
04
08
✓
SNMG 120412-M5
12
04
12
✓
SNMG 090308-M7
09
03
08
✓
SNMG 120404-M7
12
04
04
✓
SNMG 120408-M7
12
04
08
✓
SNMG 120412-M7
12
04
12
✓
SNMG 190612-M7
19
06
12
✓
SNMG 190616-M7
19
06
16
✓
TCMT 16T308-PM4
16
T3
08
✓
TCMT 16T304-PM5
16
T3
04
✓
TCMT 16T308-PM5
16
T3
08
✓
TNMG 160404-F5
16
04
04
✓
TNMG 160408-F5
16
04
08
✓
TNMG 160408-M4
16
Reference I.C.
Thickness Radius 8625
SNMG 120404-M5
04
08
16
04
04
✓
TNMG 160408-M5
16
04
08
✓
TNMG 160412-M5
16
04
12
✓
TNMG 160404-M7
16
04
04
✓
TNMG 160408-M7
16
04
08
✓
TNMG 160412-M7
16
04
12
✓
TNMG 220404-M7
22
04
04
✓
TNMG 220408-M7
22
04
08
✓
TNMG 220412-M7
22
04
12
✓
TNMG 270612-M7
27
06
12
✓
TNMG 270616-M7
27
06
16
✓
TNMG 270624-M7
27
06
24
✓
Customer Service - Tel.: +33(0)1.46.10.54.00 Fax: +33(0)1.46.10.54.54
Thickness Radius 8625
VBMT PM4
VBMT 160404-PM4
16
04
04
✓
VBMT 160408-PM4
16
04
08
✓
VCGT PM5
VCGT 130302-PM5
13
03
02
✓
VCGT 130304-PM5
13
03
04
✓
VCGT 130308-PM5
13
03
08
✓
VNMG M5
VNMG 160404-M5
16
04
04
✓
VNMG 160408-M5
16
04
08
✓
WNMG F5
WNMG 080404-F5
08
04
04
✓
WNMG 080408-F5
08
04
08
✓
WNMG M4
WNMG 080408-M4
08
04
08
✓
WNMG 080412-M4
08
04
12
✓
WNMG M5
WNMG 060404-M5
06
04
04
✓
WNMG 060408-M5
06
04
08
✓
WNMG 060412-M5
06
04
12
✓
WNMG 080404-M5
08
04
04
✓
WNMG 080408-M5
08
04
08
✓
WNMG 080412-M5
08
04
12
✓
WNMG 080408-M7
08
04
08
✓
WNMG 080412-M7
08
04
12
✓
✓
TNMG 160404-M5
CVD grade
WNMG M7
✓: Standard stocked
11
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BROC-8625-08/11-ENG
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