IS 1570 (Part 2/Sec 1):1979 50C8: Unalloyed carbon steel designated 50C8 in IS 1570 (Part 2/Sec 1):1979, with carbon 0.45-0.55% and manganese 0.60-0.90%. Grade added in the 1979 revision (no old designation). The standard was reaffirmed in 2004.
| Grade | IS 1570 (Part 2/Sec 1):1979 50C8 |
| Standard | IS 1570 (Part 2/Sec 1):1979 |
| Applications | Hardened and tempered parts (the standard links this grade to IS 5517) |
| Grade | Standard | Region | Live on M-EX |
|---|---|---|---|
| IS 5517 50C8 | IS 5517:1993 | India | No activity yet |
| BS 970 (Part 1) 080M50 | BS 970 (Part 1):1983 | UK | No activity yet |
| AISI 1050 | AISI | USA | 2 listings, 0 RFQs → |
| SAE J403 1049 | SAE J403:2014 | USA | No activity yet |
| SAE J403 1045 | SAE J403:2001 | USA | No activity yet |
| SAE J403 1046 | SAE J403:2001 | USA | No activity yet |
| SAE J403 1053 | SAE J403:2001 | USA | No activity yet |
| SAE J403 1055 | SAE J403:2001 | USA | No activity yet |
| SAE J403 1060 | SAE J403:2001 | USA | No activity yet |
| SAE J403 1065 | SAE J403:2001 | USA | No activity yet |
| SAE J403 1548 | SAE J403:2001 | USA | No activity yet |
| SAE J403 1552 | SAE J403:2001 | USA | No activity yet |
| BS 970 EN9K | BS 970:1955 | UK | No activity yet |
| Grade | Standard | Match |
|---|---|---|
| BS 970 (Part 1) 080M50 | BS 970 (Part 1):1983 | Strong Match |
| AISI 1050 | AISI | Strong Match |
| SAE J403 1049 | SAE J403:2014 | Strong Match |
| SAE J403 1050 | SAE J403:2014 | Strong Match |
| SAE J403 1049 | SAE J403:2001 | Strong Match |
| SAE J403 1050 | SAE J403:2001 | Strong Match |
| SAE J403 1049 | SAE J403:2009 | Strong Match |
| SAE J403 1050 | SAE J403:2009 | Strong Match |
| C | Mn |
|---|---|
| 0.45-0.55 | 0.60-0.90 |
No active IS 1570 (Part 2/Sec 1):1979 50C8 listings at this time.
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