Name: Stainless Angle Steel/Bar
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Stainless Angle Steel/Bar

Stainless angle steel (also called stainless steel angle bar) is an L-shaped structural profile made from stainless steel, with two perpendicular legs of equal or unequal lengths. It combines high strength, corrosion resistance, and versatility, making it a popular choice for construction, industrial, and architectural applications.

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Product Parameters

Features

1. Common Grades

304/304L: General-purpose, good corrosion resistance.

316/316L: Superior corrosion resistance (ideal for marine/chemical use).

Duplex (2205): High strength & chloride resistance.

430: Cost-effective but less corrosion-resistant.

2. Types

Equal Angle: Both legs are the same length (e.g., 25×25mm, 50×50mm).

Unequal Angle: Legs differ in length (e.g., 30×20mm, 50×30mm).

3. Advantages

Corrosion Resistance – Resists rust, acids, and moisture.

High Strength – Suitable for structural support and framing.

Aesthetic Appeal – Polished or brushed finishes for architectural use.

Weldability & Fabrication – Easy to cut, bend, and weld (TIG/MIG recommended).

Chemical composition

Grade	C (≤)	Si (≤)	Mn (≤)	P (≤)	S (≤)	Cr	Ni	Mo	Other elements	Type
201	0.15	1	5.5-7.5	0.06	0.03	16-18	3.5-5.5	-	N≤0.25	Austenite (low nickel)
303	0.15	1	2	0.2	0.15↑	17-19	8-10	-	Se/S improves machinability	Free-cutting austenite
304	0.08	0.75	2	0.045	0.03	18-20	8-10.5	-	-	Austenite
304L	0.03	0.75	2	0.045	0.03	18-20	8-12	-	Ultra-low carbon (resistance to intergranular corrosion)	Austenite (low carbon)
305	0.12	0.75	2	0.045	0.03	17-19	10.5-13	-	High nickel (reduces cold work hardening)	Austenite
309	0.2	1	2	0.045	0.03	22-24	12-15	-	High temperature oxidation resistance	Austenite (heat resistant)
309S	0.08	1	2	0.045	0.03	22-24	12-15	-	Low carbon version 309	Austenite (heat resistant)
310S	0.08	1.5	2	0.045	0.03	24-26	19-22	-	Ultra-high temperature resistance (1150℃)	Austenite (heat resistant)
316	0.08	0.75	2	0.045	0.03	16-18	10-14	2.0-3.0	Pitting resistance (Mo)	Austenite (corrosion resistant)
316L	0.03	0.75	2	0.045	0.03	16-18	10-14	2.0-3.0	Ultra-low carbon (resistance to intergranular corrosion)	Austenite (corrosion resistant)
316Ti	0.08	0.75	2	0.045	0.03	16-18	10-14	2.0-3.0	Ti≥5×C (stabilization and anti-sensitization)	Austenite (stabilized)
321	0.08	0.75	2	0.045	0.03	17-19	9-12	-	Ti≥5×C (resistance to intergranular corrosion)	Austenite (stabilized)
347	0.08	0.75	2	0.045	0.03	17-19	9-13	-	Nb+Ta≥10×C (stabilization)	Austenite (stabilized)
409	0.08	1	1	0.045	0.03	10.5-11.7	0.5	-	Ti 0.15-0.5 (stabilization)	Ferrite (auto exhaust)
410	0.15	1	1	0.04	0.03	11.5-13.5	0.75	-	-	Martensite (knife)
420	0.15↑	1	1	0.04	0.03	12-14	0.75	-	High carbon (higher hardness)	Martensite (scalpel)
430	0.12	0.75	1	0.04	0.03	16-18	0.75	-	-	Ferrite (decorative)
904L	0.02	1	2	0.045	0.035	19-23	23-28	4.0-5.0	Cu 1.0-2.0 (acid resistance)	Super austenite

Mechanical properties

Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Hardness (HB)	Impact toughness	Other Features
201	520-750	≥275	40-55	≤230	medium	Low nickel and high manganese, fast cold work hardening
303	500-700	≥190	35-50	≤200	Low	Easy to cut, corrosion resistance slightly lower than 304
304	515-690	≥205	40-60	≤200	high	General austenite, non-magnetic
304L	485-655	≥170	45-60	≤200	high	Low carbon, intergranular corrosion resistance
305	500-700	≥180	50-60	≤200	high	High nickel, low cold work hardening rate
309	515-690	≥205	40-50	≤200	medium	High temperature oxidation resistance (≤1000℃)
309S	515-690	≥205	40-50	≤200	medium	Low carbon version of 309, anti-sensitization
310S	515-690	≥205	40-50	≤200	medium	Ultra-high temperature resistance (≤1150℃)
316	515-690	≥205	40-60	≤200	high	Contains Mo, pitting and creep resistance
316L	485-655	≥170	45-60	≤200	high	Ultra-low carbon, intergranular corrosion resistance
316Ti	515-690	≥205	40-60	≤200	high	Ti stabilized, anti-sensitization
321	515-690	≥205	40-55	≤200	high	Ti stabilized, high temperature resistance (800℃)
347	515-690	≥205	40-50	≤200	high	Nb stabilized, anti-sensitization
409	380-550	≥170	20-30	≤180	Low	Ferrite, automotive exhaust system
410	480-620	≥275	20-25	≤200	Low	Martensite, heat treatable (HRC≥50)
420	550-750	≥345	15-20	≤230	Low	High carbon martensite, HRC up to 55
430	450-600	≥205	20-25	≤200	Low	Ferrite, decorative use
904L	490-690	≥220	45-50	≤200	high	Super austenite, strong acid resistance

Common Applications

Marine & Offshore: Shipbuilding, piers, desalination plants.
Chemical & Pharmaceutical: Support frames, tanks, piping systems.
Construction: Bridges, high-end buildings, industrial platforms.
Food Processing & Medical: Hygienic, rust-free structural supports.

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FAQ

Q:Can I get samples before order ?

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A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.

Q:Can I go to your factory to visit?

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A:Of course, we welcome customers from all over the world to visit our factory.

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A:You can leave us message, and we will reply every message in time. Or we may talk on line.

Q:What product information do I need to provide?

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A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

Q:Does the product have quality inspection before loading?

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A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.

Q:What are the advantages of your company?

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A:（1）More Than 30 year's Experience

（2）The company is a modern steel enterprise group integrating precision manufacturing, spot warehousing, international logistics, and product deep processing.

（3）World-class production equipment, product quality that meets international certifications, and timely and thoughtful after-sales service

（4）Never stop product research and development and innovation to create high-quality products that meet the global standards.

（5）Integrity business philosophy, the highest quality products, the most reasonable prices, and a global marketing network.

Q:How do we trust your company?

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A:We specialise in steel business for years as golden supplier on Alibaba, headquarter locates in liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, you could place an order in Alibaba with trade assurance which could secure your payment.

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