Hemu Precision offers manufacturing of screw elements in a wide variety of standard materials of construction as well as many special materials for wear and corrosion resistance. These would include 38CrMoAlA, W6Mo5Cr4V2, M2, 4140HT, D-2 Tool Steel, H-13, CPM-9V, CPM-10V (soft core), 304, 316 and 440C stainless steels and specialty coated alloys upon request.
Materials for screw segments
Mat.No./Name | Material | Hardness |
DIN 1.8509 | Nitrided steel | HV 900-1100 |
DIN 1.2344 | Tool steel | HRC 52-56 |
DIN 1.2379 | Tool steel | HRC 57-61 |
DIN .1.3343 | High speed tool steel | HRC 58-62 |
DIN 1.4404 | Stainless steel | HRC 35-40 |
DIN 1.4542 | Stainless steel | HRC 38-42 |
CPM 9V | PM-HIP steel | HRC 52-56 |
CPM 10V | PM-HIP steel | HRC 59-64 |
SAM 10 | PM-HIP steel | HRC 60-62 |
SAM 39 | PM-HIP steel | HRC 58-63 |
M390 | PM-HIP steel | HRC 59-62 |
Vanadis 8 | PM-HIP steel | HRC 60-64 |
Vanadis 10 | PM-HIP steel | HRC 60-65 |
WR5 | PM-HIP steel | HRC 58-62 |
X235 | PM-HIP steel | HRC 60-63 |
X245 | PM-HIP steel | HRC 60-64 |
X260 | PM-HIP steel | HRC 60-65 |
C-276 | Super nickel alloys | HRC 35-40 |
Nitriding steel 38CrMoAlA, SACM645, 41CrAlMo7, EN41B, 4140 HT, DIN 1.8509, SAE 8550
High speed steel W6Mo5Cr4V2, SKH9, SKH51, AISI M2, DIN 1.3343
Stainless steel: 316L, X2CrNiMo17-12-2, AISI 316L, DIN 1.4404;
SUS630, AISI 630, 17-4PH, X5CrNiCuNb16-4, DIN 1.4542
Tool steel: Cr12Mo1V1, D2, SKD11, X153CrMo12, DIN 1.2379, Böhler K110;
SKD61, AISI H13, X40CrMoV5-1, DIN 1.2344
PM-HIP(Powder Metallurgy) tool steel: CPM 9V, CPM 10V; SAM 10, SAM 39; M390; Vanadis 8, Vanadis 10; X235, X245, X260
Metso Ralloy PM tool steel WR5, WR13, W14
Saar Pulvermetall: SAM 10, SAM39
WR5, WR5/CK45(soft core), WR14/CK45(soft core), (soft core) MM60/CK45
Screw shafts for a variety of standard geometries and materials can also be provided.
Materials for screw shafts
Mat.No./Name | Material | Hardness |
DIN 1.6511 | Alloy steel | HRC 28-45 |
WR15E | High nitrogen stainless steel | HRC 38-42 |
WR30 | High nitrogen stainless steel | HRC 38-42 |
WR6 | High nitrogen stainless steel | HRC 38-42 |
WR8 | High nitrogen stainless steel | HRC 35-40 |
WR9 | High nitrogen stainless steel | HRC 38-42 |
WR10 | High nitrogen stainless steel | HRC 38-42 |
WR12 | High nitrogen stainless steel | HRC 38-42 |
WR15A | High nitrogen stainless steel | HRC 38-42 |
WR16 | High nitrogen stainless steel | HRC 38-42 |
Alloy steel: 40CrNiMo, 40CrNiMoA, SNCM439, 36CrNiMo4, EN24, AISI 4340, DIN 1.6511
Ralloy WR15E, WR30, etc
Materials for segment barrels, barrel sections
Mat.No./Name | Material | Hardness |
DIN 1.7225 | Alloy steel | HV 340-490 |
DIN 1.1191 | Medium carbon steel | HRC 52-56 |
DIN 1.2379 | Tool steel | HRC 57-61 |
DIN 1.8509 | Nitrided steel | HV 900-1100 |
DIN 1.4404 | Stainless steel | HRC 35-40 |
DIN 1.4542 | Stainless steel | HRC 38-42 |
CPM 10V | PM-HIP steel | HRC 59-64 |
SAM 26 | PM-HIP steel | HRC 58-63 |
WR13 | PM-HIP steel | HRC 52-63 |
X235 | PM-HIP steel | HRC 60-63 |
NAK101 | Tool steel | HRC 35-40 |
Cr26 | Super high chrome alloy | HRC 60-64 |
X260 | Super high chrome alloy | HRC 60-65 |
C-276 | Super nickel alloys | HRC 35-40 |
Alloy steel 42CrMo, SCM440, 42CrMo4, AISI 4140, DIN 1.7223, DIN 1.7225
Medium carbon steel C45, S45C, AISI 1045, CK45, DIN 1.1191
Nitrided steel 38CrMoAlA, SACM645, 41CrAlMo7, EN41B, 4140 HT, DIN 1.8509, SAE 8550
Tool steel Cr12MoV, AISI D2, SKD11, X153CrMo12, DIN 1.2379, Böhler K110
Stainless tool steel: 316L, X2CrNiMo17-12-2, AISI 316L, DIN 1.4404
SUS630, AISI 630, 17-4PH, DIN 1.4542
HIP compound steel: CPM 10V, WR13, SAM 26, X235, etc.
Hastelloy C-276
C45+Cr26/W6Mo5Cr4V2/Cr12Mov/α101/α-301
Extrusion components from the following materials of construction:
CPM-9V, 10V, 15V & S-90V Powdered Metal, D-2, H-13, 4140, 4340, Nitralloy 135 MOD, 300/400 Stainless, 15-5 PH/17-4 PH Stainless, Inconel 625/718, Hastelloy C-276/C-22HS.