Carbon steel C-shaped channel steel

Made from cold-rolled/hot-rolled carbon steel strip, this C-shaped thin-walled steel section features rolled flanges, optimized cross-section, and is lightweight yet high-strength, making it the preferred material for purlins in light steel structures.

Classification :

Channel Steel

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PRODUCT DETAILS

Product parameters

product type	Material grade	Production scope (specification)	standard length	production technology
Stainless steel channel steel	304/304L 316/316L 321/310S 201/430	5#~30# Commonly used 5#/6.3#/8#/10#/12#/14#/16#/18#/20# Divided into type a/b (different leg width and waist thickness) Height 50mm~300mm	Standard 6m/support Can be customized to 9m/12m Cut to length as needed Maximum length up to 12m	Hot rolling forming Cold drawing/cold bending Welding assembly Polished/brushed treatment
Carbon steel channel steel	Q235A/B/C/D Q355B/C/D/E Q420/Q460 SS400/ST37-2 S235JR/S355JR	5# ~ 40# Commonly used 5#/6.3#/8#/10#/12#/14#/16#/18#/20#/25#/30#/36#/40# Divided into a/b/c type (increasing waist thickness) Height 50mm~400mm	Standard 6m/9m/12m Commonly used 6m/9m fixed length Custom cutting available on request The longest length can be 15-19m	Hot rolled one-time forming Welded channel steel Cold bending T-shaped steel section
Galvanized channel steel	Q235B (mainstream) Q355B Q235C/Q355C SS400/S235JR	5#~30# Commonly used 5#/6.3#/8#/10#/12#/14#/16#/18#/20#/25# Divided into a/b type Height 50mm~300mm Welded galvanizing can be customized to larger specifications	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	Hot dip galvanizing process Zinc layer thickness 60-85μm Molding first and then overall immersion plating Full coverage and anti-corrosion without dead ends Passivation/sealing treatment
Carbon steel C-shaped channel steel	Q235B Q355B Q195/Q215 SS400	C50~C300 Height 50-300mm Flange width 40-100mm Curling width 15-20mm Thickness 1.5-3.5mm Commonly used C80/C100/C120/C140/C160/C180/C200/C250	Standard 6m/9m/12m Commonly used 6 meters fixed length Can be customized as needed Maximum length up to 12m Can be pre-punched	Cold roll forming Continuous rolling production line Automatic punching optional Fixed length flying saw cutting Straightening and leveling
Galvanized C-shaped channel steel	Q235B (mainstream) Q355B SGCC galvanized substrate DX51D+Z	C80~C300 Height 80-300mm Flange width 40-100mm Curling width 15-20mm Thickness 1.5-3.0mm Commonly used C100/C120/C140/C160/C180/C200/C250	Standard 6m/9m/12m Commonly used 6 meters fixed length Can be customized as needed Can be pre-punched The incision needs zinc supplementation	Galvanized steel strip cold formed (Pre-galvanized process) Or hot dip galvanized after forming (Post galvanizing process) Zinc layer thickness 40-80μm Automatic punching + cutting to length
Stainless steel C-shaped channel steel	304/304L 316/316L 201 430	C50 ~ C250 Height 50-250mm Flange width 30-80mm Curling width 10-20mm Thickness 1.2-3.0mm Commonly used C80/C100/C120/C140/C160/C200	Standard 6m/support Can be customized 3-12m Cut to length as needed Laser punching possible	Stainless steel strip cold formed Rolling continuous production line Laser cutting and punching Polished/brushed treatment Straightening and leveling

Material Standards

product type	Implementation standards	surface treatment	Monthly supply capacity	Qualification certificate	Application areas
Stainless steel channel steel	GB/T 707-1988 GB/T 3280-2015 GB/T 4237-2015 ASTM A276/A484 JIS G4304	Sour white noodles(NO.1) 2B cold rolled surface Brushed surface(HL) Mirror(8K) Sandblasted surface	300-500 tons Standing inventory 150 tons Support customized production Delivery time 7-15 days	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
Carbon steel channel steel	GB/T 707-1988 (Hot-rolled channel steel national standard) GB/T 1591-2018 (low alloy high strength steel) 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	3000-5000 tons Standing inventory: 1,500 tons Sources of goods agreed with major manufacturers Delivery time 3-7 days	ISO9001 quality certification ISO14001 environmental certification CE EU certification Steel factory original warranty SGS/BV third party inspection	building structural support frame Factory curtain wall embedded parts Mechanical equipment base vehicle manufacturing beams Cable tray bracket Mine tunnel support
Galvanized channel steel	GB/T 707-1988 (channel steel size standard) 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	1500-2500 tons Galvanizing processing cycle is 5-7 days Standing stock of black materials Galvanized processing available	ISO9001 quality certification ISO14001 environmental certification Hot dip galvanizing quality certification Zinc layer thickness test report SGS third party inspection	Outdoor billboard bracket Curtain wall keel embedded parts Power communication tower highway guardrail Photovoltaic bracket structure Municipal facility fence Storage shelf columns
Carbon steel C-shaped channel steel	GB/T 6725-2017 (cold-formed steel) GB/T 6728-2017 (Cold-formed hollow steel for structural use) JG/T 137-2007 (High frequency welded H-shaped steel for structure)	Hot rolled black leather cold rolled bright surface Can be coated with anti-rust oil Can be painted Pre-galvanized substrate available	2000-4000 tons Standing raw material inventory Production cycle 3-5 days Support custom punching	ISO9001 quality certification ISO14001 environmental certification CE certification Material test report Factory certificate	Steel structure roof purlins wall beam purlins Light steel house frame Shelf beams and columns Photovoltaic bracket guide rail cable tray Prefab house skeleton
Galvanized C-shaped channel steel	GB/T 6725-2017 (cold-formed steel standard) GB/T 13912-2020 (Hot-dip galvanized layer requirements) JG/T 137-2007 ASTM A653	Hot-dip galvanized silver white Zinc flower/no zinc flower Passivation treatment Sealer treatment Incisions can be supplemented with zinc	1500-3000 tons Standing stock of galvanized strip Production cycle 3-7 days Support custom punching	ISO9001 quality certification ISO14001 environmental certification Hot dip galvanizing quality certification Zinc layer test report Factory certificate	Outdoor steel structure purlins Photovoltaic mounting system highway guardrail municipal fence fence Warehouse racking system cable tray outdoor billboard frame
Stainless steel C-shaped channel steel	GB/T 6725-2017 (cold-formed steel) GB/T 3280-2015 (stainless steel cold rolled steel plate) ASTM A240/A666 JIS G4305	2B cold rolled surface Brushed surface(HL) Mirror(BA/8K) Sandblasted surface Customizable surface	100-300 tons Standing part specifications Customized production 7-15 days Support small batch customization	ISO9001 quality certification SGS material testing Material certificate Spectrum detection report Factory certificate	Clean workshop purlins Food factory structure Chemical equipment bracket coastal building decoration Medical purification project Water treatment equipment frame High-end decorative curtain wall

Channel steel specifications and dimensions

Model	Heighth(mm)	Leg width b(mm)	Waist thickness d(mm)	Average leg thickness t (mm)	Theoretical weight (kg/m)
5#	50	37	4.5	7	5.438
6.3#	63	40	4.8	7.5	6.634
8#	80	43	5	8	8.045
10#	100	48	5.3	8.5	10.007
12#	120	53	5.5	9	12.059
12.6#	126	53	5.5	9	12.318
14#a	140	58	6	9.5	14.535
14#b	140	60	8	9.5	16.733
16#a	160	63	6.5	10	17.24
16#b	160	65	8.5	10	19.752
18#a	180	68	7	10.5	20.174
18#b	180	70	9	10.5	23
20#a	200	73	7	11.4	22.637
20#b	200	75	9	11.4	25.777
22#a	220	77	7	11.5	24.999
22#b	220	79	9	11.5	28.453
25#a	250	78	7	12	27.41
25#b	250	80	9	12	31.335
28#a	280	82	7.5	12.5	31.427
28#b	280	84	9.5	12.5	35.823
30#a	300	85	7.5	13.5	34.463
30#b	300	87	9.5	13.5	39.173
32#a	320	88	8	14	38.083
32#b	320	90	10	14	43.107
36#a	360	96	9	16	47.814
36#b	360	98	11	16	53.466
40#a	400	100	10.5	18	58.928
40#b	400	102	12.5	18	65.208

C-shaped steel specifications and dimensions

Model	HeightH(mm)	Flange width B (mm)	Curling width C (mm)	Thicknesst(mm)	Theoretical weight (kg/m)
C80	80	40	15	2	3.14
C80	80	40	15	2.5	3.92
C100	100	50	20	2	3.93
C100	100	50	20	2.5	4.9
C100	100	50	20	3	5.87
C120	120	60	20	2	4.71
C120	120	60	20	2.5	5.89
C120	120	60	20	3	7.06
C140	140	60	20	2	5.02
C140	140	60	20	2.5	6.28
C140	140	60	20	3	7.53
C160	160	60	20	2	5.34
C160	160	70	20	2.5	7.07
C160	160	70	20	3	8.48
C180	180	60	20	2	5.65
C180	180	70	20	2.5	7.46
C180	180	70	20	3	8.95
C200	200	70	20	2	6.28
C200	200	70	20	2.5	7.85
C200	200	75	20	3	9.65
C220	220	75	20	2.5	8.64
C220	220	75	20	3	10.36
C250	250	75	20	2.5	9.62
C250	250	80	20	3	11.3
C300	300	80	20	2.5	11.38
C300	300	90	20	3	13.97

Channel steel application fields

Application areas	Specific scene	Recommended products	Common specifications	Key points for selection
Building steel structure	Factory frame support, curtain wall embedded parts, door and window sub-frames, stair handrails	Carbon steel channel steel Galvanized channel steel	8#~20# 10#/12#/14#/16# commonly used	Load-bearing calculation and selection, galvanized for outdoor exposure, carbon steel for indoor exposure
Light steel house	Roof purlins, wall beams, light steel villa frames, prefabricated houses	Galvanized C-shaped channel steel Carbon steel C-shaped channel steel	C100~C250 C140/C160/C180/C200 commonly used	Choose the larger model for span, choose galvanized for outdoor use, or choose carbon steel spray paint for indoor use.
Photovoltaic bracket	Photovoltaic module guide rails, bracket columns, beams, diagonal braces	Galvanized C-shaped channel steel Galvanized channel steel	C40~C100 5#/8#/10# channel steel	It must be galvanized outdoors, and 316 stainless steel should be selected for high corrosion along the coast. Consider wind load.
storage shelves	Shelf columns, beams, shelf supports, automated three-dimensional warehouse	Galvanized C-shaped channel steel Carbon steel C-shaped channel steel	C80 ~ C160 8#/10#/12# channel steel	Choose thick walls for heavy loads, and choose galvanized or stainless steel for food and medical warehouses.
Curtain wall decoration	Curtain wall keels, dry-hanging stone troughs, glass curtain wall supports, decorative lines	Stainless steel channel steel Galvanized channel steel	5# ~ 14# 6.3#/8#/10# commonly used	Choose brushed stainless steel/mirror for exposed decoration, and choose galvanized economical type for concealed decoration.
Power communications	Tower cross arms, cable trays, substation structures, communication base stations	Galvanized channel steel Galvanized C-shaped channel steel	8#~20# C100~C200	Outdoors must be hot-dip galvanized to prevent corrosion. In coastal areas, choose high zinc layer or stainless steel.
Petrochemical industry	Equipment frame, pipe gallery bracket, operating platform, ladder guardrail	Stainless steel channel steel Stainless steel C-shaped channel steel	8#~20# C100~C200	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	Stainless steel channel steel Stainless steel C-shaped channel steel	5# ~ 16# C80 ~ C160	Must be made of 304 or above material, the surface is easy to clean, and meets sanitary requirements
Municipal transportation	Guardrail columns, sign poles, bus stop kiosks, soundproof screen frames	Galvanized channel steel Galvanized C-shaped channel steel	8#~20# C100~C200	For outdoor use, choose hot-dip galvanizing. For those with high aesthetic requirements, you can spray plastic. For coastal areas, choose thickened zinc layer.
vehicle manufacturing	Automobile beams, carriage floors, trailer frames, ship frames	Carbon steel channel steel Low alloy channel steel	10#~30# 12#/14#/16#/20# commonly used	Choose low alloy Q355 for heavy duty, choose thin wall for lightweight, and have 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.

6.What about your price?

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