BS 970:1955 EN8D: EN8D is specified in BS 970:1955, Part 2.
● 1 new listing and 0 new RFQs posted for BS 970:1955 EN8D in the last 30 days
| Grade | BS 970:1955 EN8D |
| Standard | BS 970:1955 |
| Applications | Dynamo and motor shafts; after heat treatment bolts, studs, crankshafts, connecting rods, flanges, railway couplings, axles and brackets |
| Most Active In | West (Maharashtra, Gujarat) |
| Grade | Standard | Region | Live on M-EX |
|---|---|---|---|
| BS 970 (Part 3) 080A42 | BS 970 (Part 3):1991 | UK | No activity yet |
| IS 11169 (Part 1) 40C8 | IS 11169 (Part 1):1984 | India | No activity yet |
| IS 11169 (Part 1) 45C8 | IS 11169 (Part 1):1984 | India | No activity yet |
| IS 1570 C45 | IS 1570:1961 | India | 12 listings, 12 RFQs → |
| IS 1875 Class 4 | IS 1875:1992 | India | No activity yet |
| BS 970 EN8 | BS 970:1955 | UK | 28 listings, 25 RFQs → |
| BS 970 EN8A | BS 970:1955 | UK | 3 listings, 0 RFQs → |
| BS 970 (Part 3) 080M40 | BS 970 (Part 3):1991 | UK | 2 listings, 0 RFQs → |
| NF A35-552 XC40 | NF A35-552:1986 | France | 2 listings, 0 RFQs → |
| BS 970 (Part 1) 080A42 | BS 970 (Part 1):1983 | UK | No activity yet |
| BS 970 EN8CM | BS 970:1955 | UK | No activity yet |
| Grade | Standard | Match |
|---|---|---|
| BS 970 (Part 3) 080A42 | BS 970 (Part 3):1991 | Strong Match |
| BS 970 EN8C | BS 970:1955 | Strong Match |
| BS 970 EN8 | BS 970:1955 | Strong Match |
| BS 970 EN8K | BS 970:1955 | Strong Match |
| BS 970 EN8A | BS 970:1955 | Strong Match |
| BS 970 EN8B | BS 970:1955 | Strong Match |
| BS 970 (Part 1) 080A42 | BS 970 (Part 1):1983 | Strong Match |
| BS 970 EN8DM | BS 970:1955 | Strong Match |
| C | Si | Mn | S | P |
|---|---|---|---|---|
| 0.40-0.45 | 0.05-0.35 | 0.70-0.90 | <=0.060 | <=0.060 |
| Tensile Strength | ≥541 MPa (35 tons/sq in, converted) |
| Yield Strength | ≥278 MPa (18 tons/sq in, converted) |
| Elongation | ≥20% |
| Hardness | 152-207 HB |
| Condition | NGC 1, Normalised, ruling section 6 in (lowest-strength condition of the standard) |
| Condition | Ruling section or size (in) | Tensile strength (tons/sq in) | Yield stress (tons/sq in) | Elongation (%) | Izod impact (ft lb) | Brinell (HB) | Proof stress 0.2% (tons/sq in), when requested |
|---|---|---|---|---|---|---|---|
| NGC 1, Normalised | 6 | 35 | 18 | 20 | - | 152-207 | - |
| NGC 1, Hardened and tempered Q | 2 1/2 | 40 | 28 | 22 | 10 | 179-229 | - |
| NGC 1, Hardened and tempered R | 7/8 | 45 | 32 | 20 | 10 | 201-255 | - |
| NGC 2, Normalised | 6 | 35 | 18 | 17 | - | 152-207 | - |
| NGC 2, Hardened and tempered Q | 2 1/2 | 40 | 28 | 17 | - | 179-229 | - |
| NGC 2, Hardened and tempered R | 7/8 | 45 | 32 | 17 | - | 201-255 | - |
| GC 1 controlled grain size (McQuaid-Ehn 5-8), Normalised | 4 | 35 | 18 | 20 | 20 | 152-207 | - |
| GC 1 controlled grain size (McQuaid-Ehn 5-8), Normalised | 6 | 35 | 18 | 20 | 15 | 152-207 | - |
| GC 1 controlled grain size (McQuaid-Ehn 5-8), Hardened and tempered Q | 2 1/2 | 40 | 28 | 22 | 25 | 179-229 | - |
| GC 1 controlled grain size (McQuaid-Ehn 5-8), Hardened and tempered R | 1/2 | 45 | 32 | 20 | 40 | 201-255 | - |
| GC 1 controlled grain size (McQuaid-Ehn 5-8), Hardened and tempered R | 7/8 | 45 | 32 | 20 | 25 | 201-255 | - |
| GC 2, Normalised | 6 | 35 | 18 | 17 | dagger (10 where carbon not over 0.40) | 152-207 | - |
| GC 2, Hardened and tempered Q | 1 1/8 | 40 | 28 | 17 | 25 | 179-229 | - |
| GC 2, Hardened and tempered Q | 2 1/2 | 40 | 28 | 17 | 15 | 179-229 | - |
| GC 2, Hardened and tempered R | 7/8 | 45 | 32 | 17 | 25 | 201-255 | - |
| Cold drawn following hot rolling, size (diameter or width across flats) 1 1/4 or less in | - | 42 | - | 10 | - | <=241 | - |
| Cold drawn following hot rolling, size (diameter or width across flats) Over 1 1/4 to 2 1/2 in | - | 39 | - | 10 | - | <=229 | - |
| Cold drawn following hot rolling, size (diameter or width across flats) Over 2 1/2 in | - | 37 | - | 10 | - | <=229 | - |
Popular forms for this grade:
Round Bar (4)