Stainless steel unequal angle steel

A stainless steel bar with two unequal and perpendicular L-shaped sides, featuring a right-angled cross-section and equal thickness on both sides, suitable for structural supports requiring stiffness in different directions.

Classification :

Angle Steel

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PRODUCT DETAILS

Product parameters

product type	Material grade	Production range (side width)	Edge thickness range	standard length
Stainless steel equal angle steel	304/304L 316/316L 321/310S 201/430	Side width 20mm ~ 200mm Commonly used 25/30/40/50/63/70/75/80/90/100/120/140/160/180/200 Model: 2# ~ 20#	Side thickness 3mm ~ 24mm Commonly used 3/4/5/6/7/8/10/12/14/16mm Multiple thicknesses available for the same side width	Standard 6m/support Can be customized 3-12m Cut to length as needed Maximum length up to 12m
Stainless steel unequal angle steel	304/304L 316/316L 321/310S 201/430	Long side 25mm ~ 200mm Short side 16mm ~ 150mm Commonly used 25×16/30×20/40×25/50×32/63×40/70×45/75×50/80×50/90×56 /100×63/125×80/160×100/200×125	Side thickness 3mm ~ 18mm Commonly used 3/4/5/6/7/8/10/12/14/16mm Multiple thicknesses of the same specifications are available	Standard 6m/support Can be customized 3-12m Cut to length as needed Maximum length up to 12m
Carbon steel equal angle steel	Q235A/B/C/D Q355B/C/D/E Q420/Q460 SS400/ST37-2 S235JR/S355JR	Side width 20mm ~ 200mm Commonly used 25/30/40/50/63/70/75/80/90/100/110/125/140/160/180/200 Model: 2# ~ 20#	Side thickness 3mm ~ 24mm Commonly used 3/4/5/6/7/8/10/12/14/16/18/20mm Multiple thicknesses available for the same side width	Standard 6m/9m/12m Commonly used 6m/9m fixed length Custom cutting available on request Maximum length up to 19m
Carbon steel unequal angle steel	Q235A/B/C/D Q355B/C/D/E Q420 SS400/ST37-2 S235JR/S355JR	Long side 25mm ~ 200mm Short side 16mm ~ 150mm Commonly used 25×16/30×20/40×25/50×32/56×36/63×40/70×45/75×50/80×50/ 90×56/100×63/125×80/140×90/160×100/180×110/200×125	Side thickness 3mm ~ 18mm Commonly used 3/4/5/6/7/8/10/12/14/16mm Multiple thicknesses of the same specifications are available	Standard 6m/9m/12m Commonly used 6m/9m fixed length Custom cutting available on request Maximum length up to 19m
Galvanized equal edge angle steel	Q235B (mainstream) Q355B Q235C/Q355C SS400/S235JR	Side width 20mm ~ 200mm Commonly used 25/30/40/50/63/70/75/80/90/100/125/140/160 Model: 2# ~ 16# Large specifications can be customized for galvanizing	Side thickness 3mm ~ 16mm Commonly used 3/4/5/6/7/8/10/12/14mm Multiple thicknesses available for the same side width	Standard 6m/12m Commonly used 6 meters fixed length 9m optional Zinc supplement is required for cutting after galvanizing Customization needs to be explained in advance
Galvanized unequal angle steel	Q235B (mainstream) Q355B Q235C/Q355C SS400/S235JR	Long side 25mm ~ 160mm Short side 16mm ~ 100mm Commonly used 25×16/30×20/40×25/50×32/56×36/63×40/70×45/75×50 /80×50/90×56/100×63/125×80/160×100	Side thickness 3mm ~ 14mm Commonly used 3/4/5/6/7/8/10/12mm Multiple thicknesses of the same specifications are available	Standard 6m/12m Commonly used 6 meters fixed length 9m optional Zinc supplement is required for cutting after galvanizing Customization needs to be explained in advance

Material Standards

product type	production technology	Implementation standards	surface treatment	Qualification certificate	Application areas
Stainless steel equal angle steel	Hot rolling forming Cold drawing/cold bending Welding assembly Polished/brushed treatment	GB/T 706-2016 GB/T 9787-1988 GB/T 3280-2015 ASTM A276/A484 JIS G4304	Sour white noodles(NO.1) 2B cold rolled surface Brushed surface(HL) Mirror(8K) Sandblasted surface	ISO9001 quality certification ISO14001 environmental certification SGS test report Material certificate Third party inspection report	Petrochemical equipment framework Food processing production line Water treatment environmental protection project coastal building structures Decorative curtain wall project Pharmaceutical clean workshop Steel structure support members
Stainless steel unequal angle steel	Hot rolling forming Cold drawing/cold bending Welding assembly Polished/brushed treatment	GB/T 706-2016 GB/T 9788-1988 GB/T 3280-2015 ASTM A276/A484 JIS G4304	Sour white noodles(NO.1) 2B cold rolled surface Brushed surface(HL) Mirror(8K) Sandblasted surface	ISO9001 quality certification ISO14001 environmental certification SGS test report Material certificate Third party inspection report	Building structural connectors Equipment stand base Curtain wall keel pendant pipe support arm Cable tray support Shelf columns and beams Chemical equipment framework
Carbon steel equal angle steel	Hot rolled one-time forming Cold bending welding angle steel T-shaped steel section	GB/T 706-2016 GB/T 9787-1988 GB/T 1591-2018 ASTM A36/A572 EN 10025/JIS G3192	Hot rolled black leather Sand blasting and rust removal Sa2.5 Apply anti-rust paint/red paint Epoxy zinc rich primer Customizable painting colors	ISO9001 quality certification ISO14001 environmental certification CE EU certification Steel factory original warranty SGS/BV third party inspection	Building Steel Structure Frame Factory support components Transmission tower structure bridge engineering connection Mechanical equipment base Shelf columns and beams Curtain wall embedded parts
Carbon steel unequal angle steel	Hot rolled one-time forming Cold bending welding angle steel T-shaped steel section	GB/T 706-2016 GB/T 9788-1988 GB/T 1591-2018 ASTM A36/A572 EN 10025/JIS G3192	Hot rolled black leather Sand blasting and rust removal Sa2.5 Apply anti-rust paint/red paint Epoxy zinc rich primer Customizable painting colors	ISO9001 quality certification ISO14001 environmental certification CE EU certification Steel factory original warranty SGS/BV third party inspection	Building structural connectors Crane beam auxiliary components ship frame ribs vehicle manufacturing framework Cable tray bracket Pipe support beam Mine tunnel support
Galvanized equal edge angle steel	Hot dip galvanizing process Zinc layer thickness 55-85μm Molding first and then overall immersion plating Full coverage and anti-corrosion without dead ends Passivation/sealing treatment	GB/T 706-2016 GB/T 9787-1988 GB/T 13912-2020 (Technical requirements for hot-dip galvanizing layer) ASTM A123 BSEN ISO 1461	Hot dip galvanized silver white Zinc flower/zinc flower-free surface Chromate passivation treatment Sealer brightening treatment Can be painted with topcoat	ISO9001 quality certification ISO14001 environmental certification Hot dip galvanizing quality certification Zinc layer thickness test report SGS third party inspection	Outdoor billboard bracket Power tower cross arm Communication base station architecture highway guardrail Photovoltaic bracket structure municipal fence fence Storage shelf columns Curtain wall embedded parts
Galvanized unequal angle steel	Hot dip galvanizing process Zinc layer thickness 55-85μm Molding first and then overall immersion plating Full coverage and anti-corrosion without dead ends Passivation/sealing treatment	GB/T 706-2016 GB/T 9788-1988 GB/T 13912-2020 (Technical requirements for hot-dip galvanizing layer) ASTM A123 BSEN ISO 1461	Hot dip galvanized silver white Zinc flower/zinc flower-free surface Chromate passivation treatment Sealer brightening treatment Can be painted with topcoat	ISO9001 quality certification ISO14001 environmental certification Hot dip galvanizing quality certification Zinc layer thickness test report SGS third party inspection	Power communication tower Cable tray bracket Pipe support beam Outdoor billboard frame Photovoltaic bracket connector Municipal facility fence Curtain wall pendant keel

Equilateral angle steel specifications

Model (side width)	Side width b(mm)	Edge thickness d(mm)	Inner arc r(mm)	Theoretical weight (kg/m)
25#	25	3	3.5	1.124
25#	25	4	3.5	1.459
30#	30	3	4.5	1.373
30#	30	4	4.5	1.786
36#	36	3	4.5	1.656
36#	36	4	4.5	2.163
40#	40	3	5	1.852
40#	40	4	5	2.422
40#	40	5	5	2.976
45#	45	3	5	2.088
45#	45	4	5	2.736
45#	45	5	5	3.369
50#	50	3	5.5	2.332
50#	50	4	5.5	3.059
50#	50	5	5.5	3.77
50#	50	6	5.5	4.465
56#	56	3	6	2.624
56#	56	4	6	3.446
56#	56	5	6	4.251
56#	56	6	8	5.139
63#	63	4	7	3.907
63#	63	5	7	4.822
63#	63	6	7	5.721
63#	63	8	7	7.469
70#	70	4	8	4.372
70#	70	5	8	5.397
70#	70	6	8	6.406
70#	70	7	8	7.398
75#	75	5	9	5.818
75#	75	6	9	6.905
75#	75	7	9	7.976
75#	75	8	9	9.03
80#	80	5	9	6.211
80#	80	6	9	7.376
80#	80	7	9	8.525
80#	80	8	9	9.658
90#	90	6	10	8.35
90#	90	7	10	9.656
90#	90	8	10	10.946
90#	90	10	10	13.476
100#	100	6	12	9.366
100#	100	7	12	10.83
100#	100	8	12	12.276
100#	100	10	12	15.12
100#	100	12	12	17.898
125#	125	8	14	15.504
125#	125	10	14	19.133
125#	125	12	14	22.696
140#	140	10	14	21.488
140#	140	12	14	25.522
140#	140	14	14	29.49
160#	160	10	16	24.729
160#	160	12	16	29.391
160#	160	14	16	33.987
160#	160	16	16	38.518
180#	180	12	16	33.159
180#	180	14	16	38.383
180#	180	16	16	43.542
180#	180	18	16	48.634
200#	200	14	18	42.894
200#	200	16	18	48.68
200#	200	18	18	54.401
200#	200	20	18	60.056
200#	200	24	18	71.168

Unequal angle steel specifications

Model number (long × short)	Long side B (mm)	Short side b(mm)	Edge thickness d(mm)	Inner arc r(mm)	Theoretical weight (kg/m)
25×16	25	16	3	3.5	0.912
25×16	25	16	4	3.5	1.176
32×20	32	20	3	4	1.171
32×20	32	20	4	4	1.522
40×25	40	25	3	5	1.484
40×25	40	25	4	5	1.936
45×28	45	28	3	5	1.687
45×28	45	28	4	5	2.203
50×32	50	32	3	5.5	1.908
50×32	50	32	4	5.5	2.494
56×36	56	36	3	6	2.153
56×36	56	36	4	6	2.818
56×36	56	36	5	6	3.466
63×40	63	40	4	7	3.185
63×40	63	40	5	7	3.92
63×40	63	40	6	7	4.638
63×40	63	40	7	7	5.339
70×45	70	45	4	7.5	3.57
70×45	70	45	5	7.5	4.403
70×45	70	45	6	7.5	5.218
70×45	70	45	7	7.5	6.011
75×50	75	50	5	8	4.808
75×50	75	50	6	8	5.699
75×50	75	50	8	8	7.431
75×50	75	50	10	8	9.098
80×50	80	50	5	8	5.005
80×50	80	50	6	8	5.935
80×50	80	50	7	8	6.848
80×50	80	50	8	8	7.745
90×56	90	56	5	9	5.661
90×56	90	56	6	9	6.717
90×56	90	56	7	9	7.756
90×56	90	56	8	9	8.779
100×63	100	63	6	10	7.55
100×63	100	63	7	10	8.722
100×63	100	63	8	10	9.878
100×63	100	63	10	10	12.142
100×80	100	80	6	10	8.35
100×80	100	80	7	10	9.656
100×80	100	80	8	10	10.946
100×80	100	80	10	10	13.476
125×80	125	80	7	11	11.066
125×80	125	80	8	11	12.551
125×80	125	80	10	11	15.474
125×80	125	80	12	11	18.33
140×90	140	90	8	12	14.16
140×90	140	90	10	12	17.475
140×90	140	90	12	12	20.724
140×90	140	90	14	12	23.908
160×100	160	100	10	13	19.872
160×100	160	100	12	13	23.592
160×100	160	100	14	13	27.247
160×100	160	100	16	13	30.835
180×110	180	110	10	14	22.273
180×110	180	110	12	14	26.464
180×110	180	110	14	14	30.589
180×110	180	110	16	14	34.649
200×125	200	125	12	15	29.761
200×125	200	125	14	15	34.436
200×125	200	125	16	15	39.045
200×125	200	125	18	15	43.588

Application areas

Application areas	Specific scene	Recommended products	Common specifications	Key points for selection
Building steel structure	Factory frame support, beam-column connection, truss nodes, stair handrails, door and window sub-frames	Carbon steel equal angle steel Galvanized equal edge angle steel	40×4 ~ 100×10 50×5/63×6/75×8 commonly used	Load-bearing calculation and selection, galvanized for outdoor exposure, carbon steel spray painting for indoors
Power communications	Transmission tower cross arms, substation structures, communication base stations, cable bridge supports	Galvanized equal edge angle steel Galvanized unequal angle steel	40×4 ~ 125×10 50×5/63×6/75×8/80×8 commonly used	Outdoors must be hot-dip galvanized for corrosion protection. For high salt spray along the coast, choose thickened zinc layer or stainless steel.
Petrochemical industry	Equipment frame, pipe gallery bracket, operating platform, ladder guardrail, pipe hoop	Stainless steel equal angle steel Stainless steel unequal angle steel	30×3 ~ 100×10 40×4/50×5/63×6 commonly used	For corrosive media, choose 316L. For general corrosion, choose 304. Materials should be selected strictly according to the medium.
Food and medicine	Production line supports, clean workshop structures, equipment frames, conveyor lines, guardrails	Stainless steel equal angle steel Stainless steel unequal angle steel	25×3 ~ 80×6 30×3/40×4/50×5 commonly used	Must be made of 304 or above material, the surface is easy to clean, and meets sanitary requirements
Municipal Engineering	Guardrail columns, sign poles, bus stop kiosks, fences, manhole cover frames	Galvanized equal edge angle steel Galvanized unequal angle steel	30×3 ~ 100×10 40×4/50×5/63×6 commonly used	For outdoor use, choose hot-dip galvanizing. For those with high aesthetic requirements, you can spray plastic. For coastal areas, choose thickened zinc layer.
Curtain wall decoration	Curtain wall keels, dry-hanging stone pendants, glass curtain wall supports, decorative lines	Stainless steel equal angle steel Galvanized equal edge angle steel	25×3 ~ 75×8 30×3/40×4/50×5/63×6 commonly used	Choose brushed stainless steel/mirror for exposed decoration, and choose galvanized economical type for concealed decoration.
storage shelves	Shelf columns, beams, shelf supports, automated three-dimensional warehouses, pallet racks	Galvanized equal edge angle steel Carbon steel equal angle steel	30×3 ~ 100×10 40×4/50×5/63×6 commonly used	Choose thick walls for heavy loads, and choose galvanized or stainless steel for food and medical warehouses.
Photovoltaic bracket	Photovoltaic module brackets, columns and beams, diagonal brace connectors, tracking systems	Galvanized equal edge angle steel Galvanized unequal angle steel	40×4 ~ 80×8 50×5/60×6 commonly used	It must be galvanized outdoors, and 316 stainless steel should be selected for high corrosion along the coast. Consider wind and snow loads.
bridge engineering	Bridge auxiliary components, sidewalk supports, guardrail columns, expansion joint skeletons	Carbon steel equal angle steel Low alloy angle steel	63×6 ~ 160×14 75×8/90×8/100×10 commonly used	Q355 low alloy is selected for dynamic load, and low temperature resistant material is selected for low temperature areas.
ship vehicle	Ship frame ribs, carriage frames, trailer frames, container corner pieces	Carbon steel equal angle steel Unequal angle steel	50×5 ~ 125×12 63×6/75×8/80×8 commonly used	For ships, we choose steel certified by classification societies. For vehicles, we choose steel that is lightweight, high-strength and has good weldability.

Customer Praise

All products comply with global mainstream standards: API 5L/5CT, ASTM A106/A53/A335, EN 10216, ISO 3183, JIS and GB standards. Complete MTC and third-party inspection certificates are available.

APPLICATION FIELD

Agricultural Machinery

Aerospace

Shipbuilding

Bridge

Oil pipeline

Chemical industry

Steel structure

Architecture

CUSTOMER VISIT

Customer Visit

FAQ

1.Are You Manufacture or Trade Company?

We are the professional manufacturer of steel products located in China. Welcome to contact us and visit our factory before you place orders.

2. How do you guarantee the quality?

We can send you free samples and also accept third-party testing. We also have test certificates. Every batch of goods is tested before shipment, and the test report will be sent to you by mail or online.

3. Can I get free samples?

Of course you can. We can produce according to your samples or technical drawings. Contact us by whatsapp or email to get free samples and you will get the sample after 3-7 working days.

4. What is the MOQ?

If you are scheduling to place a small quantity order or trial order, feel free to contact us, we can meet your requirements.

5.Can you OEM or ODM?

Yes, we have a strong developing team. The products can be made according to your request.

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Our price is very competitive because we are a factory. Feel free to contact us if you are interested in our products.