Steel 409


General Information for Stainless Steel 409

Material Group M - Stainless Steel
Sub-Group Martensitic Stainless Steel
Tensile Strength [N/mm^2]
Machinability Range 35% - 90%

Equivalent International Designations for Stainless Steel 409

Standard Name
SAE 409
WNR 1.4510
DIN X6CrTi12
BS 409S19
ANFOR Z6CT12
UNI X6CrTi12

Chemical Composition for Stainless Steel 409

Element Amount
Chromium (Cr) 11%
Nickel (Ni) 1%
Silicon (Si) 1%
Manganese (Mn) 1%
Titanium (Ti) 1.0%
Carbon (C) 0.08%
Phosphorus (P) 0.04%
Sulfur (S) 0.03%

Cutting Speeds Recomendations for Stainless steel - Martensitic

Application Vc (m/min) Vc (SFM)
Turning 155-395 510-1300
Milling 95-250 310-820
Parting 60-160 200-520
Grooving 90-235 300-770
Drilling 45-115 150-380

Important! The speed estimation is given for an ideal situation:
  • Most suitable carbide grade
  • Stable tool clamping
  • Stable workpiece clamping
  • Good quality raw material
  • short overhang of the cutting tool.
  • Nominal hardness of the material.
  • etc.


Grade for Turning

PRAMET
Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
SHARP METAL
RM15T PVD M15
RM25T PVD M25
RM30M CVD TiAlN M30
RM35T PVD M35
FM CARBIDE
FM324 PVD M10 - M20
FM2553 CVD M30
CANELA
NC25 CVD M05 - M15
TN15 CVD M10 - M25
TN35 CVD M20 - M40
TS15 PVD M10 - M20
TIN20 PVD M10-M30
TIN25 PVD M25-M35
ISCAR
IC807 (IC907) PVD M05- M20
IC6015 CVD M05-M15
IC6025 CVD M15-M35
IC830 (IC328) PVD M20-M45
Seco
TM2000 CVD M05-M25
CP500 PVD M15-M40
CP600 PVD M20-M45
TM4000 CVD M25 - M40
KENNAMETAL
KCU10 (KC5010) PVD M05 - M20
KCM15B (KCM15) CVD M10-M20
KCU25 (KC5025) PVD M15-M30
KCM25B (KCM25) CVD M15 - M35
KCM35B (KCM35) CVD M30-M40
SANDVIK
GC2015 CVD M05-M15
GC2220 CVD M10-M25
GC2025 CVD M15-M35
GC2035 PVD M20-M45
TUNGALOY
T6120 CVD M10-M20
T6130 CVD M15-M30
AH630 PVD M15-M30
AH645 PVD M30-M40
WALTER
WSM10S (WSM10) PVD M05-M20
WSM20S (WSM20) PVD M10 - M30
WMP20S CVD M10-M30
WSM30S (WSM30) PVD M25-M40
MITSUBISHI
MC7015 CVD M05-M20
VP15TF PVD M10-M30
MC7025 CVD M15-M35
MP7035 PVD M30-M45
SUMITOMO
AC6020M (AC610M) CVD M05 - M25
AC6030M (AC630M) CVD M10 - M35
AC1030U PVD M20 - M40
AC6040M PVD M25-M45
KYOCERA
PR1025 PVD M15-M25
PR1225 PVD M15-M35
PR1425 PVD M15-M35
PR1125 PVD M25
PR915 PVD M25
PR930 PVD M25
PR1535 PVD M25-P35
HITACHI TOOL
IP050S PVD M15
IP100S PVD M25
YG-1
801 PVD TiAlN & PVD M10-M20
3030 CVD TiCN & PVD M25-M35
PRAMET
T6310 PVD M15
T8315 PVD M15
T8010 PVD M15
T8330 PVD M25
T8030 PVD M25
T8345 PVD M35
333TN PVD M35
KORLOY
PC8105 PVD M15
PC8110 PVD M15-M25
PC8115 PVD M25
T8345 PVD M35
PC9030 PVD M35
PC9070 PVD M35
PC3030T PVD M35
PC5300 PVD M35
ZCC
YBG101 PVD M15
YBG102 PVD M15
YBG202 PVD M15
YB9320 PVD M25
YBG205 PVD M25
YBG202 PVD M25
YBG302 PVD M35

Grade for Parting Off

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
FM CARBIDE
FM2543 CVD M10-M20
FM2553 CVD M30
CANELA
PM25 Uncoated M25
PM40 Uncoated M40
SANDVIK
GC1125 PVD M10-M30
GC1135 PVD M20-M40
ISCAR
IC807 (IC907) PVD M05 - M10
IC5400 CVD M10-M25
IC808 (IC908) PVD M10-M30
IC830 (IC328) PVD M20-M40
SECO
CP500 PVD M10 - M40
CP600 PVD M20-M45
T350M CVD M20-M40
KENNAMETAL
KCU10 PVD M05 - M15
KCU25 PVD M15 - M30
WALTER
WSM13S PVD M05 - M20
WSM23S PVD M10 - M30
WSM33S (WSM33) PVD M20-M40
WSM43S PVD M30-M45
SUMITOMO
AC1030U (AC530U) PVD M10-M25
AC520U PVD M15-M30
AC830P CVD M20-M40
TUNGALOY
AH725 PVD M15-M30
AH7025 PVD M20-M30
GH130 PVD M25 - M40
MITSUBISHI
VP10RT PVD M05-M10
VP20RT PVD M10-M30
VP30RT PVD M20 - M40


Grade for Grooving

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
FM CARBIDE
FM2533 CVD M30
CANELA
TN35 CVD M20-M40
TS15 PVD M10-M20
SANDVIK
GC1125 PVD M05-M35
ISCAR
IC807 (IC907) PVD M05-M15
IC808 (IC908) PVD M10 - M25
IC830 (IC328) PVD M20-M40
KENNAMETAL
KCU10 PVD M05-M15
KCU25 PVD M10-M25
WALTER
WSM13S PVD M05-M20
WSM23S PVD M10-M30
WSM33S (WSM33) PVD M20-M40
WSM43S PVD M30-M45
SECO
CP500 PVD M10-M25
CP600 PVD M20-M40
TUNGALOY
AH725 PVD M15-M30
AH7025 PVD M20-M30
AH7025 PVD M20-M30
GH130 PVD M25-M40
MITSUBISHI
VP10RT PVD M05-M15
VP20RT PVD M10-M25
VP30RT CVD M20-M40
SUMITOMO
AC1030U (AC530U) PVD M10-M25
AC520U PVD M15-M30
AC830P CVD M20-M40

Grade for Milling (Indexable)

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
FM CARBIDE
FM125 PVD M15-M35
CANELA
TIN28 PVD & CVD M05
ML30 PVD & CVD M05
SANDVIK
S30T PVD M05 - M15
GC1040 PVD M10-M30
GC2040 CVD M25-M40
ISCAR
IC808 (IC908) PVD M05-M15
IC830(IC328) PVD M10-M30
IC330(IC328) PVD M15-M40
KENNAMETAL
KC522M PVD M10-M25
KCSM40 PVD M20-M35
KC725M PVD M30-M40
WALTER
WSM35S PVD M25-M45
WSP45S (WSP45S) PVD M35 - M45
SECO
MP2501 CVD M05-M20
F40M PVD M10-M40
T350M CVD M20-M40
TUNGALOY
AH120 PVD M15-M25
AH725 PVD M15-M30
AH3225 PVD M20-M35
T3225 CVD M20-M35
AH130 PVD M25-M40
AH140 PVD M30-M45
AH3135 PVD M30-M40
MITSUBISHI
MP7130 PVD M05-M35
MP7140 PVD M30-M45
SUMITOMO
XCU2500 CVD M05-M20
ACM100 PVD M05-M15
ACU2500 PVD M10-M30
ACM200 CVD M10-M25
ACM300 PVD M20-M40
SHARP METAL
RM20M PVD TiAlN & PVD M15-M25
RM30M PVD & CVD M30
RM40M PVD TiAlN & PVD M35-M40
KYOCERA
PR2036 PVD M20
PR11125 PVD M20
PR830 PVD M30
PR1225 PVD M30
PR1525 PVD M30-M40
PR1535 PVD M30-M40
HITACHI TOOL
JP4120 PVD M20
JS4045 PVD M30
CY250 PVD M30
HC844 PVD M30
PTH30E PVD M40
PTH40H PVD M40
JM4160 PVD M40
YG-1
602 PVD TiAlN & PVD M20-M35
PRAMET
M6330 PVD M20-M30
8215 PVD M20
M8340 PVD M30
M8345 PVD M40
M8346 PVD M40
KORLOY
PC5300 PVD M20
PC9530 PVD M30
PC5400 PVD M40
NCM325 CVD M20
NC5330 CVD M20
NMC325 CVD M30
NCM335 CVD M30
ZCC
YBG202 PVD M20
YBG205 PVD M20
YBG252 PVD M20
YB9320 PVD M20
YBG302 PVD M30
YBM251 CVD M20
YBM253 CVD M20
YBM351 CVD M30


Recommended Insert Cutting Edge Geometry for Stainless Steel 409

Honing Size 0.03-0.05 mm / 0.001-0.002"
Rake Angle 9°-11°
Land Angle Positive
Land Width 0.20-0.30 mm / 0.008-0.012"