Stainless Steel 254SMO Tube (Wst 1.4547/ UNS S31250)

Technical Data Sheet

17-4 PH is a martensitic, precipitation-hardening stainless steel that provides an outstanding combination of high strength and hardness along with excellent corrosion resistance. 17-4 PH has good fabricating characteristics and can be age hardened by a single step, low temperature treatment. 17-4 PH is a versatile material widely used in the aerospace, chemical, petrochemical, food processing, paper and general metalworking industries.

Chemical Composition Limits
Weight%	Cr	Ni	Mo	Cu	N	Mn	Si	S	C	P
254SMO	20	18	6-6.5	0.5-1.0	0.18-0.22	1 max	1 max	0.010 max	0.20 max	0.30 max

Alloy 254SMO (UNS S31250) is an austenitic stainless steel, similar to alloy 904L, but with increased molybdenum and nitrogen contents, to be used in seawater, oil and gas piping systems on offshore production platforms and other aggressive chloride bearing media. With a excellent resistant to pitting, crevice corrosion and to stress-corrosion cracking.

Typical Mechanical Properties

Alloy	Tensile Strength MPa	Yield Strength (0.2% Offset) MPa	Elongation (%)
254SMO	650-850	300	35

Availability
Alloy 254SMO Tube (Alloy 254) is available in Instrument tube, Precision tube and Hydraulic tube. For all stock availability contact Sales.

Specifications
WS 1.4547
UNS S31254
6 Mo

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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.