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 Bars
Model No.:1020/1045/4140
Diameter: 3.0-800mm, length: as your request.
Chrome thickness: 20 micron (min).
Tolerance: f7, f8, h7, f8, f9.
Surface roughness: Ra0.2μm – 0.4μm.
Surface hardness: 800 – 1200 HV.
Salt spray: 48 – 120 hours (Chromed).
Straightness: 0.2mm/1000mm (min).
Chrome Plated Rod / Hard Chrome Piston Rod / Hard Chrome Bar
Application
Chrome Plated Rod / Hard Chrome Piston Rod / Hard Chrome Bar is widely used in cylinder, shock absorber piston rod, printing machinery, guide rail, die-casting machine, injection molding machine guide rod, the ejector and other mechanical products of guide pin and four-column press guide post, fax machines, printers and other modern office machinery guide shaft and some precision slender shaft for the parts industry products.
Steel Grades
ASTM: 1020/1030/1035/1045/4130/4140/4145/4340/8620/52100….
EN: C35E/C45E/E355//30CrMo4/34CrMo4/42CrMo4/18CrNiMo7-6/100Cr6….
DIN: CK30/CK35/CK45//41Cr4/34CrMo4/42CrMo4/1.7225/100Cr6….
JIS: S20C/S30C/S35C/S45C/SCr420/SCM430/SCM440/SACM645/SUJ2….
GB/T: 20#/30#/35#/45#/40Cr/27SiMn/30CrMo/35CrMo/42CrMo/GCr15….
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 |
| 52100 | 0.93-1.05 | 0.15-0.35 | 0.25-0.45 | 0.025 max | 0.015 max | 1.35-1.60 | / | / |
| 100Cr6 | 0.90-1.05 | 0.15-0.35 | 0.25-0.45 | 0.030 max | 0.025 max | 1.35-1.65 | / | / |
| Diameter(mm) | f7 | h7 | h8 | h9 |
| 0 < D ≤ 3 | / | -0.014,+0 | -0.014,+0 | -0.025,+0 |
| 3 < D ≤ 6 | -0.022,+0 | -0,+0.018 | -0.018,+0 | -0.030,+0 |
| 6 < D ≤ 10 | -0.028,+0 | -0,+0.022 | -0.022,+0 | -0.036,+0 |
| 10 < D ≤ 18 | -0.034,+0 | -0.027,+0 | -0.027,+0 | -0.043,+0 |
| 18 < D ≤ 30 | -0.041,+0 | -0.033,+0 | -0.033,+0 | -0.052,+0 |
| 30 < D ≤ 50 | -0.050,+0 | -0.039,+0 | -0.039,+0 | -0.062,+0 |
| 50 < D ≤ 80 | -0.060,+0 | -0.046,+0 | -0.046,+0 | -0.074,+0 |
| 80 < D ≤ 120 | -0.071,+0 | -0.054,+0 | -0.054,+0 | -0.087,+0 |
| 120 < D ≤ 180 | -0.083,+0 | -0.054,+0 | -0.063,+0 | -0.100,+0 |
| 180< D ≤ 250 | -0.096,+0 | -0.054,+0 | -0.072,+0 | -0.115,+0 |
| 250< D ≤ 315 | -0.110,+0 | -0.054,+0 | -0.081,+0 | -0.130,+0 |
| 315< D ≤ 400 | -0.125,+0 | -0.054,+0 | -0.090,+0 | -0.145,+0 |
| 400< D ≤ 500 | -0.136,+0 | -0.054,+0 | -0.100,+0 | -0.150,+0 |
Annealed, Normalizing, Q+T, Cold Finished(Hard).
Capacity
1,500 ton per month.
Package
Wooden case, each bundles of max 2,000kg with several steel strips, two tags on each bundle, 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.
AISI 1035,Cold Drawn Carbon Hexagonal Bar
4145H Modified Alloy Steel Round Bar, Hot Rolled Steel Bar
SAE 4137H Alloy Steel Bar
AISI 4130 75K P+X Alloy Steel Bar
QT AISI 8260 Hot Rolled Steel Round Bar Size 10 - 350mm For Automobile
ASTM 1045 Hot Rolled Steel Bar , Carbon Steel Round Bar / Rod 10 - 350mm
If you want to know more or have any questions about our products, please feel free to contact us by phone or email.
