18 crnimo7 17 crnimo6 DIN 1.6587 | | - 6 steel used for the core of high tensile strength and hardness of the parts. Susceptible to large stuck parts with high wear resistance and load, such as: heavy bushings and bearings, CAM follower, clutch block, compressor bolt, extractor, fan shaft, heavy gear, pump shaft, sprocket, tasht, wear pin, line guide, etc.
17CrNiMo6 Steel Round Bar Hot Rolled Alloy Bar 17Cr2Ni2MoA 17Crnimo6 Steel Equivalent
| Grade : | 18CrNiMo7-6 |
| Number: | 1.6587 |
| Classification: | Alloy special steel |
| Standard: | EN 10084: 2008 Case hardening steels. Technical delivery conditions |
| Equivalent grades: | Go here |
Chemical composition % of steel 18CrNiMo7-6 (1.6587): EN 10084-2008
| Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of finishing the heat. Steels with improved machinability as a result of the addition of lead or higher sulfur contents, depending on the manufacturing process up to around 0.1 % S, may be supplied on request. In this case, the upper limit of the manganese content may be increased by 0.15 % |
| C | Si | Mn | Ni | P | S | Cr | Mo |
| 0.15 - 0.21 | max 0.4 | 0.5 - 0.9 | 1.4 - 1.7 | max 0.025 | max 0.035 | 1.5 - 1.8 | 0.25 - 0.35 |
Mechanical properties of steel 18CrNiMo7-6 (1.6587)
| Nominal thickness (mm): | to 16 |
| Rm - Tensile strength (MPa) hardening and tempering at 200 | 1200 |
| Brinell hardness (HBW): (+S) | 255 |
| Brinell hardness (HBW): (+A) | 229 |
| Brinell hardness (HBW): (+TH) | 179 - 229 |
| Brinell hardness (HBW): (+FP) | 159 - 207 |
Equivalent grades of steel 18CrNiMo7-6 (1.6587)
Warning! Only for reference
| EU EN | Germany DIN,WNr | France AFNOR | England BS | Italy UNI | China GB | Finland SFS | Inter ISO |
| 18CrNiMo7-6 | 17CrNiMo617CrNiMo7 | 18NCD6 | 820A16 | 18NiCrMo7 | 17Cr2Ni2Mo | 511 | 18CrNiMo7 |
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Post free buying requirement of steel 18CrNiMo7-6 (1.6587)
Mechanical properties
| ReH | Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d elasticite minimale |
| Rm | Tensile strength / Zugfestigkeit / Resistance a la traction |
| A | Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal |
| J | Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc |
Heat treatment conditions
| +ASoft annealed+ACAnnealed to achieve spheroidization of the carbides+ARAs rolled+ATSolution annealed+CCold drawn / hard+CRCold rolled+FPTreated to ferrite-pearlite structure and hardness range+IIsothermal annealing+LCCold drawn / soft+MThermo mechanical rolling+NNormalized+NTNormalized and tempered | +PPrecipitation hardened+PEPeeled+QAAir quenched and tempered+QLLiquid quenched and tempered+QTQuenched and tempered+STreated to improve shearability+SHAs rolled and turned+SRCold drawn and stress relieved+TTempered+THTreated to hardness range+WWWarm worked+UUntreated |
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