Our warehouse will shut from Mon 23rd Dec and open again Thurs 2nd Jan
Wishing you a Merry Christmas and peaceful New Year

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 S 0.050	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.

Customer Reviews - What Customers Say About Us!

"Just wanted to say thanks for your efforts and updates"

"I always try you as you often keep stock that can't be found elsewhere"

"Prompt answer & knowledge of available material, timescale & price within a good time"

"Packaging is superb"

"Thank you for your quick response"

CLICK HERE TO VIEW OUR BROCHURE

Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.