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Bare cromate si Tevi honuite |
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Various applications Hard chrome plated bars and tubes have a lot of appliances starting from hydraulic industry and going also to the fitness equipment or even a simple office chair. Due to their chrome layer, this kind of products can be successfully used under extreme conditions like chemical industry with exposure to aggressive agents, mining equipment, oil and gas industry, power generation, aerospace industry and the marine environment. Hard Chrome Plated Steel Bars Product overview | Type Description | | CROMEST CB | Hard Chrome Plated Steel Bars | | | Steel grade: C45E, 20MnV6, 38MNVS6, 42CrMo4 | | CROMEST ICB | Induction Hardened and Hard Chrome Plated Steel Bars | | | Steel grade: C45E, 20MnV6, 38MnVS6, 42CrMo4 | | CROMEST HR | Hard Chrome Plated Steel Bars for High Resistance | | | Steel grade: C45E, 20MnV6, 38MnVS6, 42CrMo4 | | | | Steel grades correspondences | | EN | Werkstoff | DIN | B.S. | UNI | GOST | JIS | AISI / SAE / ASTM | | C45E | 1.1191 | Ck45 | 080M46 | C45 | 45 | S45C | 1045 | | 20MnV6 | 1.5217 | 20MnV6 | 55M | - | - | - | A572 | | 38MnVS6 | 1.1303 | 38MNSiVS5 | - | - | - | - | 10v45 | | 42CrMo4 | 1.7225 | 42CrMo4 | 708M40 | 42CrMo4 | 40ChFa | SCM440(H) | 4140 | | | | | | | | | | | | Chemical composition | | Steel grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Mo (%) | Ni (%) | V (%) | N (%) | | C45E | 0.42÷0.50 | max. 0.40 | 0.50÷0.80 | max. 0.30 | max. 0.35 | max. 0.40 | max. 0.10 | max. 0.40 | - | - | | 20MnV6 | 0.16÷0.22 | 0.10÷0.50 | 1.30÷1.70 | max. 0.35 | max. 0.35 | - | - | - | 0.10÷0.20 | - | | 38MnVS6 | 0.34÷0.41 | 0.15÷0.80 | 1.20÷1.60 | max. 0.25 | 0.20÷0.60 | max. 0.30 | max. 0.80 | - | - | - | | 42CrMo4 | 0.38÷0.45 | max. 0.40 | 0.60÷0.90 | max. 0.25 | max. 0.35 | 0.90÷1.20 | 0.15÷0.30 | - | - | - |  *42CrMo4+QT (42CrMo4V)
| Mechanical proprieters | | Steel grade | Diameter mm | Tensile strength Rm N/mm 2 | Yield point Rp 0.2 mm | Elongation A5 % | Norm | | C45E | 10<Ø≤16 16<Ø≤40 20<Ø≤80 | min. 710 min. 650 min. 580 | min. 500 min. 410 min. 305 | min. 5 min. 7 min. 16 | EN 10277-5 EN 10277-5 EN 10083-2 | | 20MnV6 | 10<Ø≤20 20<Ø≤80 | min. 700 min. 600 | min. 620 min. 460 | min. 10 min. 18 | Technical data according to internal norm | | 38MnVS6 | 20<Ø≤80 | min. 800 | min. 520 | min. 12 | EN 10267 | | 42CrMo4 | 10<Ø≤16 16<Ø≤40 40<Ø≤80 | min. 1100-1300 min. 1000-1200 min. 900-1100 | min. 900 min. 750 min. 650 | min. 10 min. 11 min. 12 | EN 10083-3 |
*42CrMo4+QT (42CrMo4V)
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Cilindri hidraulici si pneumatici 