TEL：029-89699396
FAX：029-89699396
WEB：http://www.xacti.com.cn
ADD：No.19, Zhuque street Xi’an Shaanxi
Aircraft Steel BS S154 / S154D (MSRR 6043)
Technical Data Sheet
BS S154 is a 2.5% Nickel-chrome-moly steel, and the British aerospace equivalent ot 826M31 (EN25). It is generally supplied as bright bar in the finally heat treated and cold drawn/groun condition, designated S154D.
| Chemical Composition Limits | ||||||||
| Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni | Al |
| 2S96 | 0.27-0.35 | 0.10-0.35 | 0.45-0.70 | P 0.025 S 0.020 | 0.50-0.80 | 0.45-0.65 | 2.30-2.80 | |
| S154 | 0.27-0.35 | 0.15-0.35 | 0.45-0.70 | P 0.025 S 0.020 | 0.50-0.80 | 0.45-0.65 | 2.30-2.80 | 0.015-0.050 |
| Chemically similar British Specifications BS.970 Pt2 | ||||||||
| Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni | |
| 826M31 | 0.27-0.35 | 0.10-0.35 | 0.45-0.70 | P 0.040 | 0.50-0.80 | 0.45-0.65 | 2.30-2.80 | |
| EN25 | 0.27-0.35 | 0.10-0.35 | 0.50-0.70 | - | 0.50-0.80 | 0.40-0.65 | 2.30-2.80 | |
| Other Chemically similar Specifications | ||||||||
| Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni | |
| UNI 30NiCrMo12 | 0.27-0.35 | 0.40 max | 0.50-0.80 | 0.035 | 0.60-1.00 | 0.30-0.60 | 2.60-3.20 | |
Typical Mechanical Properties
| Grade | Treatment | Tensile Strength Rm , N/mm² | Proof Stress Rp 0.2, N/mm² | Elongation in 5.65 √Cross Sectional Area% | Hardness HB | Ruling Section |
| S154D | Solution Annealed | - | - | - | 248 max | |
| S154D | Hardened and Tempered | 880-1080 | 690 | 12 | 255-321 | 6" |
Availability
Alloy S154 is available in Bar. For all stock availability contact Sales.
