AISI 1010 / S10c Carbon Steel Tube – Mechanical Tubing – Seamless Steel Pipe
1020 / S20C Hydraulic Cylinder Tube , High Precision Skiving Pipe – Honed Steel Tubing
27SiMn seamless cold drawn steel tube, with black annealed out surface
4145H Modified Alloy Steel Round Bar, Hot Rolled Steel Bar
QT AISI 8260 Hot Rolled Steel Round Bar Size 10 - 350mm For Automobile
Categories：Steel Forgings
Model No.:1020/1045/4140/4340
Outer Diameter: 8000mm max.
Surface: Black or Bright suface.
Forged Steel Rings – Seamless Forged Ring
Application
Forged steel rings are widely used in bushings, cam followers, wear pins, bearings, sprockets, gears and shafts, fan shafts, heavy duty gears, pump shafts, sprockets, tappets, wear pins, wire guides, etc. Or can be used for high tensile applications uncarburised but through hardened and tempered.
Steel Grades
ASTM: 1020/1030/1035/1045/4130/4140/4145/4340/8620….
EN: C35E/C45E/E355//30CrMo4/34CrMo4/42CrMo4/18CrNiMo7-6….
DIN: CK30/CK35/CK45//41Cr4/34CrMo4/42CrMo4/1.7225/50Cr4….
JIS: S20C/S30C/S35C/S45C/SCr420/SCM430/SCM440/SACM645….
GB/T: 20#/30#/35#/45#/40Cr/27SiMn/30CrMo/35CrMo/42CrMo….
Chemical Composition(%)
| Steel Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 1020 | 0.18-0.23 | / | 0.30-0.60 | 0.040 max | 0.050 max | / | / | / |
| 1035 | 0.32-0.38 | / | 0.60-0.90 | 0.040 max | 0.050 max | / | / | / |
| 1045 | 0.43-0.50 | / | 0.60-0.90 | 0.040 max | 0.050 max | / | / | / |
| ST52 | 0.22 max | 0.55 max | 1.60 max | 0.035 max | 0.040 max | / | / | / |
| 4130 | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | 0.035 max | 0.040 max | 0.80-1.10 | 0.15-0.25 | / |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | 0.035 max | 0.040 max | 0.80-1.10 | 0.15-0.25 | / |
| 4340 | 0.38-0.43 | 0.15-0.35 | 0.15-0.35 | 0.035 max | 0.040 max | 0.70-0.90 | 0.20-0.30 | 1.65-2.00 |
Hot forged only, Annealed, Normalizing, Q+T, Cold Finished(Hard).
Capacity
1,500 ton per month.
Test
Chemical analysis, Mechnical analysis, Ultrasonic testing, Metallographic, Surface quality and dimension report.
Package
Two tags on each piece, wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Mill’s Test Certificate
EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
If you want to know more or have any questions about our products, please feel free to contact us by phone or email.
