| C16R EN 10084-1998, Number: 1.1208 | Comparison of steel grades | |
| JUS | - | |
| DIN | - | |
| BS | - | |
| GOST | - | |
| AISI | - | |
| NF | - | |
Under EN10084-1998 standard, the C16R Alloy steel is one of the most widely used precipitation hardening
grades in the business. While soft and ductile in the solution annealed condition, the C16R Alloy steel is capable of high properties with a single precipitation or aging treatment.
C16R Alloy steel Chemical composition (cast analysis)
| Chemical elements | C | Si max. |
Mn | P max. | S |
| %, by mass | 0,12-0,18 | 0,40 | 0,60-0,90 | 0,035 | 0,020 – 0,040 |
| Permissible deviation | ± 0,02 | + 0,03 | ± 0,04 | + 0,005 | ± 0,005 |
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. | ||
| - | 156 | - | - | - | - |
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 |
| - | 880 to 980 | 880 to 920 | 780 to 820 | 150 to 200 |
Source:
Tags: C16R
