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MATERIALS

Precision Nitriding for Your Critical Specs

Gas nitriding can be applied to unalloyed steels and irons to produce a corrosion- and wear-resistant nitride layer. In alloy steels that contain nitride-forming alloy elements (Cr, Mn, Mo, V, W, Al, Ti) a deeper diffusion layer develops.

Nitriding materials include a number of steel types:

  • Carbon steels
  • Hardenable alloy steels
  • Special nitriding steels such as Nitralloy
  • High alloy steels: tool steels, heat-resistant steels (e.g. valve steels) etc.
  • Stainless steels (ferritic, martensitic, austenitic, PH grades)
  • Cast iron (grey or nodular)

Material tables

NITRIDING STEELS
Grade AISIGrade UNIMain alloy componentsCore Hardness HV/HRCSurface Hardness Hv1
N135M38CrAlMoAC=0.38 Cr=1.7 Mo=0.3 Al=1350/361190-1290
Nitralloy NC=0.35 Cr=115 Ni=3.5 Mo=0.25350/361100-1200
34CrAlNi7C=0.42 Cr=3 Mo=1.2 V=0.20350/361190-1290
42CrMoV1242CrMoV12C=0.42 Cr=3 Mo=1.2 V=0.20490 / 481050-1150
31CrMo12C=0.32 Cr=3 Mo=0.4320 / 32870-920
30CrMoV9320 / 32C=0.30 Cr=2.5 Mo=0.2 V=0.15320 / 32900-930
25CrMo20C=0.25 Cr=6 Mo=0.20280 / 271000-1100
OTHER HARDENABLE ALLOY STEELS
GRADE AISIGRADE UNIMAIN ALLOY COMPONENTSCORE HARDNESS HV/HRCSURFACE HARDNESS HV1
413030CrMo4C=0.30 Cr=1 Mo=0.2300 / 30640 – 680
414042CrMo4C=0.40 Cr=1 Mn=0.9 Mo=0.2300 / 30650 – 700
4340C=0.40 Cr=0.8 Ni=1.8 Mo=0.25310 / 31650 – 700
30NiCrMo12C=0.30 Cr=0.8 Ni=2.8 Mo=0.12310 / 31600 – 650
35NiCrMo15C=0.35 Cr=1.7 Ni=3.8 Mo=0.15330 / 33800 – 850
CARBON STEELS
GRADE AISIGRADE UNIMAIN ALLOY COMPONENTSCORE HARDNESS HV/HRCSURFACE HARDNESS HV1
1010C10C=0.10 Mn=0.50160320 – 380
1020C20C=0.20 Mn=0.50180320 – 380
1030C30C=0.30 Mn=0.7180380 – 420
1045C45C=0.45 Mn=0.7200420 – 470
1060C60C=0.60 Mn=0.7250 / 22525
CARBURIZING ALLOY STEELS
GRADE AISIGRADE UNIMAIN ALLOY COMPONENTSCORE HARDNESS HV/HRCSURFACE HARDNESS HV1
511516MnCr5C=015 Cr=0.8 Mn=0.9180660 – 720
20 MnCr5C=0.20 Cr=1.15 Mn=1.3240 / 21750 – 800
8620C=0.20 Cr=0.5 Ni=0.6 Mo=0.2190500 – 520
18NiCrMo5C=0.18 Cr=0.9 Mn=0.8 Ni=1.3 Mo=0.25210700 – 750
TOOL STEELS
GRADE AISIGRADE UNIMAIN ALLOY COMPONENTSCORE HARDNESS HV/HRCSURFACE HARDNESS HV1
D2C=1.5 Cr=12 Mo=1 V=1.1 Co=1580 / 541270 – 1370
X150CrMo12C=1.5 Cr=12 Mo=0.8580 / 541270 – 1370
H13AFNOR Z40C=0.40 Cr=5.2 Mo=1.5 V=1480 / 481150 – 1280
X38CrMoV5.1C=0.40 Cr=5.2 Mo=1.1 V=0.4480 / 481180 – 1280
40CrMnMo7C=0.40 Cr=2 Mn=1.5 Mo=0.2340 / 34870 – 930
M7DIN 1.3348C=1 Cr=3.8 Mo=9 W=1.8 V=2787 / 631100
M42DIN 1.3247C=1.1 Cr=3.9 Mo=9.5 W=1.5 V=1.1 Co=8.865 / 661100
STAINLESS STEEL
GRADE AISIGRADE UNIMAIN ALLOY COMPONENTSCORE HARDNESS HV/HRCSURFACE HARDNESS HV1
X5CrNiMo18.10C=.07 Cr=18 Ni=10 Mo=22301150 – 1250
316LX2CrNiMo18.10C=.03 Cr=18 Ni=12 Mo=22301150 – 1250
440BX90CrMoV18C=0.0 Cr=17 Mn=1 Si=1 Mo=0.75420 / 431000 – 1350
17-4 PHC=.07 Cr=16 Mn=1 Si=1 Ni=4 Cu=4 Nb=.3300 / 30950 – 1100
  • Applications
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NEWS

  • NITREX NEVADA RECEIVES SUPPLIER APPROVAL FROM HONEYWELL4 November 2020 - 15:53
  • MEET THE TEAM – LILIA JASSO, ADMINISTRATIVE MANAGER15 September 2020 - 08:12
  • WEBINAR: IMPACT OF NITRIDING ON DIE LIFE, PERFORMANCE, AND COST CONTROL10 September 2020 - 08:07

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