Stainless Steel 254 SMO Round Bar is a high-alloy austenitic stainless steel known for its exceptional corrosion resistance in aggressive environments like seawater and acids, making it ideal for critical applications in chemical processing, offshore, marine, and pulp and paper industries

ASTM A276 Stainless Steel 254 SMO Round Bar

Stainless Steel 254 SMO Round Bar is a premium-grade austenitic stainless steel rod alloyed with high levels of chromium, molybdenum, and nitrogen, designed for superior corrosion resistance in harsh environments. UNS S31254 is a unique composition that provides excellent resistance to pitting, crevice corrosion, and general corrosion in chloride-containing solutions, including seawater and various acids. DIN 1.4547 round bar exhibits exceptional mechanical properties, including high tensile and yield strength, as well as good ductility and toughness, allowing for ease of fabrication and welding. Commonly used in industries such as chemical processing, offshore oil and gas, marine engineering, and pulp and paper manufacturing, SS 254 SMO Round Bar is a reliable choice for critical applications requiring exceptional corrosion resistance and durability. It complies with international standards such as ASTM A276 and ASTM A479, ensuring consistent quality and performance.

Specifications of Stainless Steel 254 SMO Round Bar

Stainless Steel 254 SMO Round Bar

Piyush Steel is a manufacturer, stockist, exporter, and supplier of Stainless Steel 254 SMO round bars conforming to various national and international standards. We are one of the largest stockists of 254 SMO SS Round Bars.

• Stainless Steel 254 SMO Round Bar
• SS 254 SMO Round Bar
• UNS S31254 Bars
• 1.4547 Round Bars
• SIS 2378 Round Bars
• ASTM A276 254 SMO Stainless Steel Round Bar
• ASME SA479 254 SMO Stainless Steel Round Bars

Stainless Steel 254 SMO Bright Bar

Piyush Steel is a manufacturer, stockist, exporter, and supplier of Stainless Steel 254 SMO Bright bars conforming to various national and international standards. We are one of the largest stockists of 254 SMO SS Bright Bars.

• Stainless Steel 254 SMO Bright Bar
• SS 254 SMO Bright Bar
• UNS S31254 Bars
• 1.4547 Bright Bars
• SIS 2378 Bright Bars
• ASTM A276 254 SMO Stainless Steel Bright Bar
• ASME SA479 254 SMO Stainless Steel Bright Bars

Stainless Steel 254 SMO Square Bar

Piyush Steel is a manufacturer, stockist, exporter, and supplier of Stainless Steel 254 SMO Square bars conforming to various national and international standards. We are one of the largest stockists of 254 SMO SS Square Bars.

• Stainless Steel 254 SMO Square Bar
• SS 254 SMO Square Bar
• UNS S31254 Bars
• 1.4547 Square Bars
• SIS 2378 Square Bars
• ASTM A276 254 SMO Stainless Steel Square Bar
• ASME SA479 254 SMO Stainless Steel Square Bars

Stainless Steel 254 SMO Hex Bar

Piyush Steel is a manufacturer, stockist, exporter, and supplier of Stainless Steel 254 SMO Hex bars conforming to various national and international standards. We are one of the largest stockists of 254 SMO SS Hex Bars.

• Stainless Steel 254 SMO Hex Bar
• SS 254 SMO Hex Bar
• UNS S31254 Bars
• 1.4547 Hex Bars
• SIS 2378 Hex Bars
• ASTM A276 254 SMO Stainless Steel Hex Bar
• ASME SA479 254 SMO Stainless Steel Hex Bars

Stainless Steel 254 SMO Flat Bar

Piyush Steel is a manufacturer, stockist, exporter, and supplier of Stainless Steel 254 SMO Flat bars conforming to various national and international standards. We are one of the largest stockists of 254 SMO SS Flat Bars.

• Stainless Steel 254 SMO Flat Bar
• SS 254 SMO Flat Bar
• UNS S31254 Bars
• 1.4547 Flat Bars
• SIS 2378 Flat Bars
• ASTM A276 254 SMO Stainless Steel Flat Bar
• ASME SA479 254 SMO Stainless Steel Flat Bars

Stainless Steel 254 SMO Forged Bar

Piyush Steel is a manufacturer, stockist, exporter and supplier of Stainless Steel 254 SMO Forged bars conforming to various national and international standards. We are one of the largest stockists of 254 SMO SS Forged Bars.

• Stainless Steel 254 SMO Forged Bar
• SS 254 SMO Forged Bar
• UNS S31254 Bars
• 1.4547 Forged Bars
• SIS 2378 Forged Bars
• ASTM A276 254 SMO Stainless Steel Forged Bar
• ASME SA479 254 SMO Stainless Steel Forged Bars

Equivalent Grades

Standard:	SS 446
WERKSTOFF NR.	1.4547
UNS	S31254
SIS	2378
AFNOR	Z1 CNDU 20.18.06Az
EN	X1CrNiMoCuN20-18-7

Chemical Composition

Element	Composition (%)
Ni	0.50 max
C	0.2 max
Mn	1.5 max
P	0.040
S	0.030 max
Si	0.75 max
Cr	18.0 – 22.0
Mo	-
Ti	-

Mechanical & Physical Properties

Density:	8.0 g/cm3
Melting Point:	1320-1390 °C
Tensile Strength:	650
Yield Strength (0.2%Offset):	300
Elongation:	35 %

Stainless Steel 254 SMO Round Bars & Rods Applications & Uses

Stainless Steel 254 SMO Round Bar is widely used in industries such as chemical processing, oil and gas, pulp and paper, marine, and desalination plants due to its exceptional corrosion resistance in aggressive environments containing chlorides, acids, and seawater. It is utilized for critical components including valves, pumps, heat exchangers, fittings, and structural elements requiring high strength, durability, and resistance to pitting, crevice corrosion, and stress corrosion cracking.

ISO Tolerance

h (minus), j (plus/minus), k (plus)

Over	Inc.	7	9	11
1mm	3mm	0.009	0.025	0.06
3	6	0.012	0.030	0.07
6	10	0.015	0.036	0.09
10	18	0.018	0.043	0.11
18	30	0.021	0.052	0.13
30	50	0.025	0.062	0.16
50	80	0.030	0.074	0.19
80	120	0.035	0.087	0.22
120	180		0.100	0.25
180	250			0.29
250	315			0.32
315	400			0.36
400	500			0.40
500				0.44

Example – 100mm Ø h9 = +0/-0.087, j9 = +0.087/-0.087, k9 = +0.087/-0

                                               90mm Ø h11 = +0/-0.22, j11 = +0.22/-0.22, k11 = +0.22/-0

Stainless Steel 254 SMO Round Bars Stock availability

We maintain ready stock of 254 SMO Stainless Steel Round Bar, SS 254 SMO Hex Bar, SS 254 SMO Square Bar, 254 SMO S.S. Bright Bar, Stainless Steel Flat Bar, and 254 SMO SS Rods. Get in touch with us with your requirement for a quick quote.

Stainless Steel 254 SMO Round Bars Price List

Request the latest Stainless Steel 254 SMO Bars Price List. Please send an email to sales@piyushsteelroundbars.com for Stainless Steel 254 SMO Round Bar, UNS S31254 Bar, DIN 1.4547 Round Bar, SIS 2378 Round Bar, ASTM A276 254 SMO Stainless Steel Round Bar, ASME SA479 254 SMO Stainless Steel Round Bar. Ready stock information and updated price list.