SAE 1020 Cold Drawn Steel Round Bar Precision Ground for Machinery Bushings Sleeve Bearings Industrial Components Steel Bars
Model NO.
AISI 1020, SAE 1020, ASTM A29/A29M-04, C20 (EN)
Technique
Cold Drawn
Shape
Bar
Surface Treatment
Polished
Special Use
Wear Resistant Steel, Cold Heading Steel
Application
Industrial Machinery
Standard Designations
AISI 1020, SAE 1020, ASTM A29/A29m-04, C20 (En)
Hardness
≤ 156 Hb (Untreated) , ~120 Hb
Surface Finish
Smooth, Bright Surface
Key Characteristics
High Ductility, Good Cold Formability
Transport Package
Wooden Box/Hollow Plat
Specification
6-300mm
Trademark
GX
Origin
Shijiazhuang
HS Code
7215900000
Production Capacity
30000t/Years
Reference Price
$ 441.00 - 495.00
Description
Product Description
| Material | Foreign Equivalents | Chemical Composition (%) | Mechanical Properties | Primary Applications |
| 20# | • US: 1020 | C: 0.17-0.23 | • Tensile: ≥410 MPa | Low-stress structural parts (bolts, shafts, levers), carburized components 610 . |
| • EU: 1.0402 (C22) | Si: 0.17-0.37 | • Yield: ≥245 MPa | ||
| • JP: S20C | Mn: 0.35-0.65 | • Elong.: ≥25% | ||
| P≤0.035, S≤0.035 610 | • Hardness: ≤156 HB (as-rolled) 210 | |||
| 45# | • US: 1045 | C: 0.42-0.50 | • Tensile: ≥600 MPa | Gears, axles, bolts, hydraulic parts; requires heat treatment for high strength 19 . |
| • EU: 1.0503 (C45) | Si: 0.17-0.37 | • Yield: ≥355 MPa | ||
| • JP: S45C | Mn: 0.50-0.80 | • Elong.: ≥16% | ||
| P≤0.035, S≤0.035 19 | • Hardness: ≤229 HB (untreated) 110 | |||
| Q235 | • US: ASTM A36 | C≤0.22 | • Tensile: 375-500 MPa | Non-critical structures (brackets, frames, construction) 610 . |
| • EU: S235JR (1.0038) | Mn≤1.40 | • Yield: ≥235 MPa | ||
| • JP: SS400 | Si≤0.35 | • Elong.: ≥26% | ||
| P≤0.045, S≤0.050 610 | • Hardness: 120-150 HB 6 | |||
| 40Cr | • US: 5140 | C: 0.37-0.44 | • Tensile: ≥980 MPa (quenched) | High-strength shafts, gears; automotive/tooling parts. |
| • EU: 1.7045 (41Cr4) | Cr: 0.80-1.10 | • Yield: ≥785 MPa | ||
| • JP: SCr440 | Mn: 0.60-0.90 | • Hardness: ≤207 HB (annealed) | ||
| Si: 0.17-0.37 5 | ||||
| GCr15 | • US: SAE 52100 | C: 0.95-1.05 | • Tensile: ≥1,800 MPa (hardened) | Bearings, precision instruments, high-wear components 5 . |
| • EU: 1.3505 (100Cr6) | Cr: 1.40-1.65 | • Hardness: 62-64 HRC | ||
| • JP: SUJ2 | Mn: 0.25-0.45 5 | • Fatigue res.: High 5 | ||
| 42CrMo | • US: 4140 | C: 0.38-0.45 | • Tensile: ≥1,080 MPa | Heavy-duty parts (gears, drill tools, molds), high fatigue resistance required 37 . |
| • EU: 1.7225 (42CrMo4) | Cr: 0.90-1.20 | • Yield: ≥930 MPa | ||
| • JP: SCM440 | Mo: 0.15-0.25 | • Elong.: ≥12% | ||
| Mn: 0.60-0.90 37 | • Hardness: ≤217 HB (annealed) 37 | |||
| 1215 | • US: AISI 1215 | C≤0.09 | • Tensile: ≥420 MPa | Precision fasteners, bushings; easy machinability, eco-friendly 48 . |
| • EU: 11SMn30 (1.0726) | Mn: 0.75-1.05 | • Elong.: ≥22% | ||
| • JP: SUM22 | S: 0.26-0.35 | • Hardness: ≤160 HB (cold-drawn) 8 | ||
| P: 0.04-0.09 | ||||
| Pb-free 48 | ||||
| 1214 | • US: AISI 1214 | C≤0.15 | • Tensile: ≥540 MPa | High-speed machining (screws, valves); contains lead for improved chip-breaking 4 . |
| • EU: 11SMnPb30 (1.0727) | Mn: 0.85-1.15 | • Hardness: 160-190 HB (cold-drawn) | ||
| • JP: SUM22L | S: 0.26-0.35 | |||
| P: 0.04-0.09 | ||||
| Pb: 0.15-0.35 4 |
Cold drawn round steel is a high quality metal material made by cold drawing process. It is made of hot-rolled round steel as billet, which is drawn by strong force at room temperature through a specific mold, so that the diameter of the round steel is accurately reduced. This process gives it many advantages: high dimensional accuracy and precise control of diameter deviation to meet the needs of precision manufacturing; The surface is very smooth, low roughness, reduce the subsequent grinding process; Due to the cold hardening effect, the strength and hardness are significantly improved, and the internal organization is uniform, and the mechanical properties are stable. Cold-drawn round steel is used in the field of machinery manufacturing to manufacture shaft, gear and other key parts; In the automobile industry, it is the ideal material selection for engine crankshaft, transmission shaft and other components; In the construction industry, it is often used to make strong connectors and support structures, and is widely used in many industries with strict material performance requirements.
1.GX is Factory or Trade enterprise?
GX is an enterprise incorporating Factory and Trade .
2.Where is your factory located? How can I visit there?
Headquarter:Hi-tech development
zone,Shijiazhuang,Hebei Province
Factory:Xingtang County,Shijiazhuang,Hebei Province
You can take airplane to Shijiazhuang,then we can pick you up to factory by car about 1 hour.
3.Which Certificate of your product does your company have?
ISO9001 IATF 16949:2016
4.Before order, we need sample for test ,is it ok?
Yes, of course. We provide sample for test before bulk order.
5.How does your company to control your product quality?
Quality is the cornerstone of the survival and development of GX.
We control quality from the beginning to the end all the time.
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