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16MnCr5,16MnCr5 Chemical composition,16MnCr5 steel grades,if you need EN 10084 : 2008 Case hardening steels. Technical delivery conditions ,please contact us.
| Grade : | 16MnCr5 |
| Number: | 1.7131 |
| Standard: | EN 10084 : 2008 Case hardening steels. Technical delivery
conditions EN 10132 - 2 : 2000 Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Case hardening steels |
| Classification: | Case hardening steels |
| Equivalent grades: | Go here |
| 16MnCr5 EN 10084-1998, Number: 1.7131 | Comparison of steel grades | |
| JUS | Č.4320 | |
| DIN | 16MnCr 5; ZF 6 | |
| BS | 590M17, | |
| GOST | 18HG | |
| AISI | SAE 5115, SAE 51204 | |
| UNI | 16MnCr5 | |
| NF | 16MC5 | |
Chemical composition (cast analysis)
| Chemical elements | C | Si max. | Mn | P max. | S | Cr |
| %, by mass | 0,14-0,19 | 0,40 | 1,00-1,30 | 0,035 | ≤ 0,035 | 0,80 – 1,10 |
| Permissible deviation | ± 0,02 | + 0,03 | ± 0,05 | + 0,005 | + 0,005 | ± 0,05 |
Hardness limits for steel
| Hardness HRC at a distance from quenched end of test piece (in milimetres) of | ||||||||||||||||
| mm | 1,5 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | |
| +H | max. | 47 | 46 | 44 | 41 | 39 | 37 | 35 | 33 | 31 | 30 | 29 | 28 | 27 | - | - |
| min. | 39 | 36 | 31 | 28 | 24 | 21 | - | - | - | - | - | - | - | - | - | |
| +HH | max. | 47 | 46 | 44 | 41 | 39 | 37 | 35 | 33 | 31 | 30 | 29 | 28 | 27 | - | - |
| min. | 42 | 39 | 35 | 32 | 29 | 26 | 24 | 22 | 20 | - | - | - | - | - | - | |
| +HL | max. | 44 | 43 | 40 | 37 | 34 | 32 | 30 | 28 | 26 | 25 | 24 | 23 | 22 | - | - |
| min. | 39 | 36 | 31 | 28 | 24 | 21 | - | - | - | - | - | - | - | - | - | |
Hardness requirements for products delivered in the conditions
’’treated to improve shearabilita’’ (+S), ’’anneled to maximum
hardness requirements’’ (+A), ’’treated to hardness range’’ (+TH)
or ’’treated to ferrite-pearlite structure and hardness range’’
(+FP)
| Brinell hardness in the condition | ||||||
| +S max. | +A max. | +TH | +FP | |||
| min. | max. | min. | max. | |||
| * | 207 | 156 | 207 | 140 | 187 | |
Non-metallic inclusions Requirements for microscopic degree of
purity when tested in accordance with DIN 50 602 (method K) (valid
for oxidic non-metallic inclusions)
| D (mm) Bars Diameter d (mm) | K Total characteristic value K (oxides) for the individual cast |
| 140 < d 200 | K 4 ≤ 50 |
| 100 < d ≤ 140 | K 4 ≤ 45 |
| 70 < d ≤ 100 | K 4 ≤ 40 |
| 35 < d ≤ 70 | K 4 ≤ 35 |
| 17 < d ≤ 35 | K 3 ≤ 40 |
| 8 < d ≤ 17 | K 3 ≤ 30 |
| d ≤ 8 | K 2≤ 35 |
Conditions for heat treating test bars and treatment of the steels
| End quenchh test Quenching, 0C | Carbunnzing temperature, 0C | Core-hardening temperature, 0C | Case-hardening temperature, 0C | Tempering, 0C |
| 870 | 880 to 980 | 860 to 900 | 780 to 820 | 150 to 200 |
