Steel round bar DIN 16MnCr5 SH (1.7131) 34 mm , BG DIN DIN 17210 Alloy Rod
Steel round bar DIN 16MnCr5 SH (1.7131) 34 mm , BG DIN DIN 17210 Alloy Rod
EN 1.7131 Steel 16MnCr5 Material
EN 1.7131 steel (16MnCr5 material) is an European standard carburized steel (case hardening steel) with good hardenability and machinability. For larger cross-section parts, high surface hardness and wear resistance can be obtained after heat treatment, and low-temperature impact toughness is also high. For specification and datasheet, please see the tables below.
16MnCr5 steel is generally used after carburizing and quenching, and is mainly used for manufacturing gears, worms, sealing bushings and other components.
Datasheet
The following tables show material 16MnCr5 datasheet and specification including chemical composition, mechanical properties, etc.
(DIN EN 1.7131 Material) 16MnCr5 Steel Chemical Composition
The following table shows chemical composition of 16MnCr5 material (1.7131 steel).
| Chemical Composition % | |||||||
| Standard | Steel Name (Steel Number) | C | Si ≤ | Mn | P ≤ | S | Cr |
| EN 10084 | 16MnCr5 (1.7131) | 0.14-0.19 | 0.40 | 1.00-1.30 | 0.025 | ≤ 0.035 | 0.80-1.10 |
| EN 10084 | 16MnCrS5 (1.7139) | 0.14-0.19 | 0.40 | 1.00-1.30 | 0.025 | 0.020-0.040 | 0.80-1.10 |
Mechanical Properties of 1.7131 Steel (16MnCr5 Material)
1.7131 material, 16MnCr5 steel Brinell hardness
- Soft annealed: ≤ 207 HBW
- Treated to hardness: 156-207 HBW
- Treated to ferrite-pearlite structure and hardness: 140-187 HBW
- Normalized: 138-187 HBW
EN 1.7131, 16MnCr5 Tensile strength (after hardening and tempering at 200 °C)
- Dia. ≤ 16mm: Min. 1000 MPa
- 16 < Dia. ≤ 40mm: Min. 800 Mpa
- 40 < Dia. ≤ 100mm: Min. 600 Mpa
Heat Treatment Specification of 16MnCr5 (1.7131 Steel)
- End quench test Austenitizing temperature: 870℃ (30-35 minutes)
- Carburizing temperature: 880-980 ℃
- Core-hardening temperature: 860-900 ℃
- Case-hardening temperature: 780-820 ℃
- Tempering: 150 – 200 ℃ (≥ 1 hour)
Equivalent Grade
EN 1.7131 material (16MnCr5 steel) equivalent to ISO, US ASTM AISI SAE, Japanese JIS and Chinese GB standard. (For reference)
| 16MnCr5 steel equivalent | |||||||||||||||
| European | ISO | USA | Japan | China | |||||||||||
| Standard | Grade (Steel Number) | Standard | Grade | Standard | Grade (a) | Standard | Grade (b) | Standard | Grade | ||||||
| EN 10084 | 16MnCr5 (1.7131) | ISO 683-11 | 16MnCr5 | AISI SAE; ASTM A29/A29M |
5115 | JIS G4053 | SCr415 | GB/T 5216 | 16CrMnH | ||||||
(a) and (b): The chemical composition has big difference compared with EN 10084.
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