Capabilities and Technical Information

Our products are manufactured to the highest level of quality and tightest tolerances available. We offer a wide range of materials, honing, grinding, reaming and polishing options to our customers. We proudly use Sunnen Products to achieve the precision our customers have come to expect from us. If you do not see something you are looking for, contact us.

We offer the following Raw Material, with these heat treatment options
GRADE
TYPE
PROCESS
HARDNESS / CASE DEPTH
EN31 / SAE52100 / 100Cr6 / SUJ2
Ball Bearing Steel
Through Hardening
45 -65 HRC with the range of 4 HRC
If wall thickness > 7mm 50 - 60 only
EN19
Chromium Molly Steel
Through Hardening
40 - 62 HRC
Case Hardening
40-55 HRC / 1.2 to 3 mm
EN24
Nickel Chromium Molly Steel
Through Hardening
45 -65 HRC with the range of 4 HRC
Case Hardening
40-55 HRC / 1.2 to 3mm
SAE8620 / 16MnCr5 / 20MnCr5
Alloy Case Hardening Steel
Case Hardening
45-62 HRC / 0.25 to 1.00 mm
EN353 / EN36
45-65 HRC / 0.25 to 1.20 mm
EN1A Leaded and Unleaded
Free Cutting Steel
Case Hardening / Carbo Nitriding / Carborising
85 - 90 HRA at 15N / Case Depth 0.08 to 0.25mm
EN8 /EN9
 
Toughening or Through Hardening
25 - 33 HRC
EN41B
Nitriding Steel
Gas Nitriding for 80 hours heating and 24 hours cooling in furnace
900 - 1000HV 0.1 / 0.15-0.25mm after grinding of bore and OD with a core hardness of 28- 34 HRC
EN47
Spring Steel
Through Hardening
40-52 HRC
CK45 /C45
Carbon Steel
Through Hardening
32-45 HRC / Case Depth 0.08 to 0.25mm
HSS : High Speed Steel
Alloy Tool Steel
Through Hardening
55 - 62 HRC
HCHCr
High Carbon High Chromium Alloy Tool Steel
Through Hardening
55 - 62 HRC
SS410
Corrosion & Heat Resistant Stainless Steel
Through Hardening
25 - 28 HRC
SS430
28 - 32 HRC
SS440
54 - 58 HRC
SS304, SS316
 
Soft
 
Tungsten Carbide
NA
NA
 
 
Honing
 
  • Internal Diameter (ID) from 4mm to 60mm (0.47 to 2.56 inches) with a tolerance of 0.005mm.
  • Standard straightness within 0.003mm with a max straightness of 0.002mm achievable.
  • Standard roundness within 0.003mm.
  • Standard cylindricity within 0.003mm.
  • Standard surface finish is normally 0.4 Ra. Less than 0.1 Ra in ID achievable.
 Grinding
 
Grinding
 
  • Outer Diameter (OD) from 4mm to 150mm with a tolerance of 0.005mm.
  • Standard straightness within 0.003mm with a max straightness of 0.002mm.
  • Standard roundness within 0.003mm.
  • Standard cylindricity Roundness within 0.003mm.
  • Concentricity within 0.005mm.
  • Standard surface finish is 0.4 Ra. Less than 0.2 Ra achievable.
 

 HumblSys proudly manufactures

American National Standards (ANSI) compliant products!

 
ANSI9
ANSI1
ANSI2