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| Grade : | S420N | ||
| Number: | 1.8902 | ||
| Classification: | Alloy special structural steel | ||
| Standard: |
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| Nominal thickness =< 63(mm) CEV max = 0.48 Nominal thickness from 63 to 100 (mm) CEV max = 0.50 For long products the P and S content can be 0.005% higher For railway application a maximum S content of 0.01% may be agreed at the time of enquiry and order In sufficient other N-binding elements are present the minimum total Al content does not applay Cu content above 0.4% may cause hot shortness during hot forming |
| C | Si | Mn | Ni | P | S | Cr | Mo | V | N | Nb | Ti | Al | Cu | CEV |
| max 0.2 | max 0.6 | 1 - 1.7 | max 0.8 | max 0.03 | max 0.025 | max 0.3 | max 0.1 | max 0.2 | max 0.025 | max 0.05 | max 0.05 | max 0.02 | max 0.55 | max 0.52 |
| Nominal thickness (mm): | to 100 | 100 - 200 | 200 - 250 |
| Rm - Tensile strength (MPa) | 520-680 | 500-650 | 500-650 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 63 | 63 - 80 | 80 - 100 | 100 - 150 | 150 - 200 | 200 - 250 |
| ReH - Minimum yield strength (MPa) | 420 | 400 | 390 | 370 | 360 | 340 | 330 | 320 |
| KV - Impact energy (J) longitud., (+N) | +20° 55 | 0° 47 | -10° 43 | -20° 40 |
| KV - Impact energy (J) transverse, (+N) | +20° 31 | 0° 27 | -10° 24 | -20° 20 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 63 | 63 - 80 | 80 - 200 | 200 - 250 |
| A - Min. elongation Lo = 5,65 √ So (%) | 19 | 19 | 19 | 18 | 18 | 18 |
| EU EN | USA - | Germany DIN,WNr | Japan JIS | France AFNOR | European old EN | Italy UNI | Spain UNE | China GB | Russia GOST | Inter ISO | ||||||||||||
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