2205 Duplex Stainless Steel Square Bar | 1.4462 Solid Square Bar ASTM A276 EN10088

High yield strength, nearly double strength of common austenitic stainless steel
Outstanding stress corrosion cracking resistance
Excellent resistance to pitting & crevice corrosion
Good weldability and mechanical toughness
Meets ASTM A276 & EN10088 standards

Product Overview

2205 Duplex Stainless Steel Square Bar (1.4462 / X2CrNiMoN22-5-3 / SUS329J3L / 022Cr22Ni5Mo3N) is duplex stainless solid square bar with mixed ferrite and austenite microstructure, manufactured to ASTM A276 and EN10088 standards. Hot rolled size:5×5mm~150×150mm; cold drawn minimum 3×3mm for precision heavy-duty components.

2205 duplex grade combines high mechanical strength and excellent corrosion resistance, performs well in chloride, seawater, sour oil & gas environment. Applied for offshore equipment brackets, chemical reactor fixtures, pulp & paper industry parts, anti-corrosion high load molds. Every batch comes with mill test certificate.

Stainless Steel Square Bar

Chemical & Mechanical Property Snapshot

Grade	Equivalent Brand	C Max	Cr	Ni	Mo	Yield Strength (MPa) Min	Tensile Strength (MPa) Min	Elongation (%) Min	Hardness HB Max
2205	1.4462 / X2CrNiMoN22-5-3 / SUS329J3L / 022Cr22Ni5Mo3N	0.03	21.00-23.00	4.50-6.50	2.50-3.50	450	620	25	293

Detailed Technical Specifications

Item	Specification
Product Name	2205 Duplex Stainless Steel Square Bar
Material Type	2205 Duplex Stainless Steel
Shape	Solid Square Bar
Manufacturing Standards	EN10088, ASTM A276
Production Type	Hot-Rolled Square Bar / Cold-Drawn Square Bar
Hot-Rolled Size Range	5×5mm – 150×150mm
Cold-Drawn Size	Minimum 3×3mm
Available Grade	2205 (1.4462)
Surface / Processing	According to production requirements
Material Performance	High yield strength, excellent pitting & stress corrosion resistance
Quality Control	Mill Test Certificate with heat number, chemical composition and mechanical property records
Packaging	Seaworthy bundled packing to prevent scratches and deformation
MOQ	5 Ton
Payment Terms	T/T, L/C at Sight
Delivery Time	7–15 working days after receiving deposit

Size Specification Table

Production Type	Side Dimension	Tolerance	Surface Finish	Length Range
Cold Drawn Stainless Steel Square Bar	3×3 mm–50×50 mm	±0.02–±0.05 mm	Bright polished / Pickled	1000–6000 mm, custom cut
Hot Rolled Stainless Steel Square Bar	5×5 mm–150×150 mm	±0.3–±1.0 mm	Black / Pickled & Passivated	2000–6000 mm, custom cut

Product Comparison Table

Comparison Item	2205 Duplex Stainless Steel Square Bar	2205 Duplex Stainless Steel Round Bar	Carbon Steel Square Bar
Material	2205 Duplex Stainless Steel	2205 Duplex Stainless Steel	Carbon Structural Steel
Cross Section	Solid Square	Solid Round	Solid Square
Main Advantage	Ultra high yield strength, excellent stress & pitting corrosion resistance	High strength, good for heavy load rotary shaft in corrosive environment	Low cost, good weldability for general structural use
Manufacturing Standard	EN10088, ASTM A276	GB/T 1220, ASTM A276, ASTM A484, EN 10088-3	GB/T 706, ASTM A36, EN 10025
Size Range	Cold-drawn: Min.3×3 mm; Hot-rolled:5×5 mm–150×150 mm	Φ3 mm–Φ300 mm	5×5 mm–200×200 mm
Full Available Grades & Equivalent	2205 (1.4462/X2CrNiMoN22-5-3/SUS329J3L/022Cr22Ni5Mo3N)	2205 (1.4462/X2CrNiMoN22-5-3/SUS329J3L/022Cr22Ni5Mo3N)	Q235B, Q355B, S235JR, S355JR, ASTM A36
Processing Advantage	Pre-shaped square profile, less cutting & shaping work	Suitable for turning, grinding, heavy load shaft manufacturing	Easy cutting, welding & forming
Corrosion Resistance	Excellent, anti chloride, stress corrosion & pitting corrosion	Excellent, anti chloride, stress corrosion & pitting corrosion	Poor; requires anti-corrosion coating
Typical Applications	Offshore equipment supports, chemical reactor fixtures, pulp industry parts, heavy anti-corrosion molds	Offshore pump shafts, chemical processing rotary parts, seawater equipment components	Building supports, general machinery structural parts, brackets

App Market

Reliable Steel Coil Solutions For Diverse Industrial Applications

Corrosion-Resistant Equipment Frames

Mold Inserts

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Product Packaging

Secure Export Packaging For Safe Handling And Delivery

FAQs

What is equivalent grade of 2205 duplex stainless square bar?

Equivalent:1.4462,X2CrNiMoN22-5-3,SUS329J3L,022Cr22Ni5Mo3N.

What is the advantage of 2205 compare with 316L?

2205 duplex steel has double yield strength, much better stress corrosion cracking resistance, ideal for high-load chloride environment.

Is 2205 square bar hard to machine?

Higher strength than austenitic stainless steel, special machining parameter recommended.

MOQ for 2205 square bar?

MOQ is 5 tons.

Can you supply custom cutting?

Yes, custom length cutting service available.

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2205 Duplex Stainless Steel Square Bar | 1.4462 Solid Square Bar ASTM A276 EN10088