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Incl. MTC acc. EN 10204 / 3.1 with all mechanical and chemical properties. MTC has to be send before delivery by E-Mail from each product to control through QD of FER Mechanika
Specification valid for W.Nr. 1.7225 – 42CrMo4 / 1.7227 – 42CrMoS4 ( „S“ 0,020 - 0,035 % )
| MATERIAL DESCRIPTION: | W.Nr. 1.7225 / 1.7227 acc. EN 10083 : 2007 |
| Heat Treatment: | quenched & tempered acc. EN 10083, EN 10250, SEW 550 (or requirement +A) |
| Grain size: | 5 and finer acc. ASTM E 112 |
| Microcleanliness: | K4 max.30 acc. DIN 50602 |
| US Testing: | 100% acc. EN 10228-3 / cl.3 |
| Forging ratio: | forged min.3,5 / rolled min.5 |
| Weight piece/bundle: | max. 20000 kg |
Chemical composition acc. EN 10083: 2007 (+ BS norm for grade EN19/709M40)
| C | Si (max) | Mn (max) | P (max) | S (max) | Cr | Mo |
|---|---|---|---|---|---|---|
| 0.38 - 0.43% | 0.15 – 0.35 | 0.75 – 0.90 | 0.025 | 0.035 | 0.90-1.10 | 0.25-0.30 |