Hot Rolled Alloy 20MnCr5H DIN 1.7147 SAE5120 Alloy Steel Round Bar With Quenched and Tempered
Brand Name:TSING SHAN
Certification:ISO SGS MTC
Model Number:20MnCr5H
Minimum Order Quantity:100KGS
Delivery Time:7 Days
Payment Terms:L/C, T/T
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Hot Rolled Alloy 20MnCr5H DIN 1.7147 SAE5120 Alloy Steel Round Bar With Quenched and Tempered
Product Description
20MNCr5 DIN1.7147 Alloy steel round bar
Round Bars: Dia.10 - 300mm with UT Assurance
Flat / Square Bars/Hex Bars:Thickness Max.600mm
Shafts, Rollers, Blocks: Customized or According to Drawing
Surface finish:Black / Rough turned / Peeled
Related Specifications
A material test report(Inspection Certificate EN 10204 3.1) will be provided, documenting the following:
1.Chemical analysis
2.Mechanical properties
3.Surface hardness
4.Non metallic inclusion
5.Heat treatment report
6.Grain size
7.Forging ratio
8.Ultrasonic test report
Round Bars: Dia.10 - 300mm with UT Assurance
Flat / Square Bars/Hex Bars:Thickness Max.600mm
Shafts, Rollers, Blocks: Customized or According to Drawing
20MnCr5 steel (DIN 1.7147 material)
20MnCr5 steel (1.7147 material) is an European standard carburized steel (case hardening steel) with high strength and toughness and good hardenability. The quenching deformation is small, the low temperature toughness and the machinability are good, but the welding performance is low. It's generally used after carburizing quenching or quenching and tempering. (For specification and data sheet, please see the tables below)
1.7147 steel is used to manufacture and reload large-section tempered parts and small-section carburized parts. It can also be used to manufacture medium and small parts with medium load and low impact, such as gears, shafts, spindles, friction wheels and gears of variable speed equipment, and the sleeve of the governor, etc.
(1.7147) 20MnCr5 Steel Chemical Composition
The chemical composition of 20MnCr5 steel are displayed in the following table.
| Chemical Composition % | |||||||
| Standard | Steel Grade | C | Si ≤ | Mn | P ≤ | S ≤ | Cr |
| EN 10084 | 20MnCr5 1.7147 | 0.17-0.22 | 0.40 | 1.10 to 1.40 | 0.025 | 0.035 | 1.00-1.30 |
| EN 10084 | 20MnCrS5 1.7149 | 0.17-0.22 | 0.40 | 1.10 to 1.40 | 0.025 | 0.020-0.040 | 1.00-1.30 |
Mechanical Properties of (20MnCr5) 1.7147 Steel
1.7147, 20MnCr5 Material Brinell hardness
- Treated for cold shearability: ≤ 255 HBW
- Soft annealed: ≤ 217 HBW
- Treated to hardness: 170-217 HBW
- Treated to ferrite-pearlite structure and hardness: 152-201 HBW
- Normalized: 140-201 HBW
20MnCr5, 1.7147 Tensile strength (after hardening and tempering at 200 °C)
- Dia. ≤ 16mm: Min. 1200 MPa
- 16 < Dia. ≤ 40mm: Min. 900 Mpa
- 40 < Dia. ≤ 100mm: Min. 700 Mpa
Heat Treatment Specification of 1.7147 Steel
- End quench test Austenitizing temperature: 870ºC (30-35 minutes)
- Carburizing temperature: 880-980 ºC
- Core-hardening temperature: 860-900 ºC
- Case-hardening temperature: 780-820 ºC
- Tempering: 150 - 200 ºC (≥ 1 hour)
Surface finish:Black / Rough turned / Peeled
Related Specifications
- ASTM/AISI:5120
- AFNOR:20MC5
- GB:20CrMn
- JIS:SMnC420
A material test report(Inspection Certificate EN 10204 3.1) will be provided, documenting the following:
1.Chemical analysis
2.Mechanical properties
3.Surface hardness
4.Non metallic inclusion
5.Heat treatment report
6.Grain size
7.Forging ratio
8.Ultrasonic test report
We Have State Of The Art Production Lines With Leading Edge Technology For Bearing Steel 100Cr6, Stainless Steel 304 / 316 / Duplex UNS S31803 And Super Duplex UNS S3276, Alloy Steel 4130/4140/8620, High Speed Tool T1/M2/M35/M42 And Die Steel D2/D3/H13/H21/P20. The Products Covers Special Steel Round, Square, Flat, Wire Rod, Wire, Sheet, Pipe, Strip And Heavy Forgings. Produces Forged Round Steel (¢120~850mm) And Square Steel (120~550mm) Of Various Steel Grades.
Alloy Steel | 4140,4142,42CrMo4,1.7225,SCM440,4130,SCM430,25CrMo4,1.7218,34CrNiMo6, 1.6582,4340,SNCM439,36CrNiMo4,1.6511,SACN645,1340,SMn438,SNC236 | |||
Tool Steel | H13,1.2344,SKD61,D2,SKD11,1.2379,1.2510,01,SKS3,95MnWCr5,D3,SKD1,1.2419, SKS31,H21,SKD5,1.2581,P20,35CrMo7,1.2738,1.2316,M2 | |||
Bearing Steel | GCr15,52100,SUJ1,SUJ2,100Cr6,1.2067,55C,8620,4320,9310,440C,M50 | |||
Spring Steel | 9260,SUP6,SUP7,1.7108,54SiCr6,1.7102,5155,SUP9,1.7176,5160,1.7177,6150, SUP10,51CrV4,1.8159 | |||
Stainless Steel | 321,sus321,1.4541,304,SUS304,1.4301,410,SUS410,1.4006,420,1.4021,1.4028, 434,1.4113,316L,SUS316L,1.4435,630,1.4542,431,1.4057 | |||
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Hot Rolled Alloy 20MnCr5H DIN 1.7147 SAE5120 Alloy Steel Round Bar With Quenched and Tempered
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