316L Stainless Steel Square Bar | 1.4404 Solid Square Stainless Bar ASTM A276 EN10088

Low carbon content to avoid intergranular corrosion after welding
Molybdenum addition delivers excellent chloride corrosion resistance
Great performance in marine, saltwater and chemical environments
Stable square profile, easy clamping and machining
Complies with ASTM A276 & EN10088 international standards

Product Overview

316L Stainless Steel Square Bar (1.4404 / X2CrNiMo17-12-3 / SUS316L / 022Cr17Ni12Mo2) is low-carbon austenitic stainless solid square bar, manufactured under ASTM A276 and EN10088 standards. Available in hot rolled and cold drawn types. Hot rolled size from 5×5mm to 150×150mm; cold drawn minimum 3×3mm for precision components.

With molybdenum element and low carbon composition, 316L square bar has outstanding resistance to chloride corrosion, suitable for coastal, seawater, chemical processing equipment. Widely used for chemical equipment brackets, marine hardware, anti-corrosion mold components and precision fixtures. All products come 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
316L	1.4404 / X2CrNiMo17-12-3 / SUS316L / 022Cr17Ni12Mo2	0.03	16.00-18.50	10.00-14.00	2.00-3.00	170	485	40	217

Detailed Technical Specifications

Item	Specification
Product Name	316L Stainless Steel Square Bar
Material Type	316L Low Carbon Austenitic 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	316L (1.4404)
Surface / Processing	According to production requirements
Material Performance	Excellent chloride corrosion resistance, good weldability, stable mechanical property
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	316L Stainless Steel Square Bar	316L Stainless Steel Round Bar	Carbon Steel Square Bar
Material	316L Low Carbon Austenitic Stainless Steel	316L Low Carbon Austenitic Stainless Steel	Carbon Structural Steel
Cross Section	Solid Square	Solid Round	Solid Square
Main Advantage	Excellent chloride corrosion resistance, low carbon avoids welding intergranular corrosion	Great circumferential machining performance, suitable for marine & chemical shaft parts	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	316L (1.4404/X2CrNiMo17-12-3/SUS316L/022Cr17Ni12Mo2)	316L (1.4404/X2CrNiMo17-12-3/SUS316L/022Cr17Ni12Mo2)	Q235B, Q355B, S235JR, S355JR, ASTM A36
Processing Advantage	Pre-shaped square profile, less cutting & shaping work	Suitable for turning, grinding, and shaft manufacturing	Easy cutting, welding & forming
Corrosion Resistance	Excellent, resistant to chloride, seawater & chemical medium	Excellent, resistant to chloride, seawater & chemical medium	Poor; requires anti-corrosion coating
Typical Applications	Marine hardware, chemical equipment supports, anti-corrosion mold inserts, coastal engineering fixtures	Chemical pump shafts, seawater equipment components, marine mechanical parts	Building supports, general machinery structural parts, brackets

App Market

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Product Packaging

Secure Export Packaging For Safe Handling And Delivery

FAQs

What is equivalent grade of 316L stainless steel square bar?

Equivalent: 1.4404, X2CrNiMo17-12-3, SUS316L, 022Cr17Ni12Mo2.

What is the difference between 304 and 316L square bar?

316L contains molybdenum and lower carbon, better anti-chloride corrosion performance than 304, suitable for marine and chemical environment.

Can you provide bright cold drawn 316L square bar?

Yes, bright cold drawn surface is available.

What is MOQ?

MOQ is 5 tons.

Can we get sample before bulk order?

Yes, small samples can be provided for quality test.

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316L Stainless Steel Square Bar | 1.4404 Solid Square Stainless Bar ASTM A276 EN10088