Galvanized H-beams

Carbon steel H-beams, after hot-dip galvanizing, are corrosion-resistant steel sections that combine the structural load-bearing capacity of H-beams with the corrosion protection of a zinc coating, resulting in a service life 3-5 times longer than ordinary carbon steel.

Classification :

H-Beams

WhatsApp : +8617563565680

E-mail : info@sdlxdh.com

PRODUCT DETAILS

Product parameters

product type	Material grade	Production scope (specification)	length	production technology
Stainless steel H-shaped steel	304/304L 316/316L 321/310S 201/430	H100×100 ~ H900×300 Narrow flange HN: 100×50~900×300 Wide flange HW: 100×100~400×400 Middle flange HM: 150×100~600×300	Fixed length 6m/9m/12m Custom cutting available on request Maximum length up to 15m	Hot rolling forming Welding assembly Cold bending Polished/brushed treatment
Carbon steel H-shaped steel	Q235A/B/C/D Q355B/C/D/E Q420/Q460 SS400/ST37-2 S235JR/S355JR	H100×100 ~ H900×300 Narrow flange HN: 100×50~900×300 Wide flange HW: 100×100~400×400 Middle flange HM: 150×100~600×300 Thin wall H-shaped steel optional	Fixed length 6m/9m/12m Standard 12m fixed length Custom cutting available on request The longest length can reach 15-18m	Hot rolled one-time forming High frequency welding H-beam Submerged arc welding H-beam T-shaped steel split processing
Galvanized H-beam	Q235B (mainstream) Q355B Q235C/Q355C SS400/S235JR	H100×100 ~ H600×300 Narrow flange HN: 100×50~600×200 Wide flange HW: 100×100~350×350 Middle flange HM: 150×100~450×200 Welded galvanizing can be customized to larger specifications	Fixed length 6m/9m/12m Commonly used 6m/12m Custom cutting available on request Cutting after galvanizing requires touch-up paint	Hot dip galvanizing process Zinc layer thickness 60-85μm Formed first and then galvanized Overall immersion plating without dead ends

Material Standards

product type	Implementation standards	surface treatment	Monthly supply capacity	Business type	Qualification certificate	Packaging
Stainless steel H-shaped steel	GB/T 11263-2017 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	500-800 tons Standing inventory 200 tons Support customized production	Spot wholesale Cut to length processing Non-standard customization Export trade	ISO9001 ISO14001 SGS test report Material certificate third party inspection	Steel strapping Anti-rust paper wrapping wooden pallet fixing Export fumigation packaging Can be labeled with identification labels
Carbon steel H-shaped steel	GB/T 11263-2017 GB/T 706-2016 GB/T 1591-2018 ASTM A36/A572 EN 10025/JIS G3101	Hot rolled black leather Sand blasting and rust removal Sa2.5 Apply anti-rust paint Epoxy zinc rich primer Customizable painting	3000-5000 tons Standing inventory: 1,500 tons Sources of goods agreed with major manufacturers Delivery time 7-15 days	Spot wholesale Zero-cut retail Cut to length processing steel structure deepening Export trade	ISO9001 quality certification ISO14001 environmental certification CE EU certification SGS/BV inspection Steel factory warranty	Steel strap multi-point binding Anti-rust oil application Naked/bundled Wooden pallet/timber reinforcement Export shipping packaging
Galvanized H-beam	GB/T 11263-2017 GB/T 13912-2020 (Hot-dip galvanized standard) ASTM A123 BSEN ISO 1461	Hot dip galvanized silver white Zinc flower/no zinc flower Passivation treatment Sealer treatment Can be painted and colored	1000-2000 tons Galvanizing processing cycle is 5-7 days Standing stock of black materials Galvanized processing available	Wholesale of finished products Incoming galvanized Cut to length processing Galvanizing + painting Export trade	ISO9001 ISO14001 Hot dip galvanizing quality certification Zinc layer test report SGS third party inspection	Anti-scratch steel strapping Anti-rust paper/woven bag wooden pallet isolated Export fumigation packaging zinc layer protective film

Material performance comparison

Material category	Trademark	Yield strength	tensile strength	Main features	Applicable scenarios
Carbon steel-plain carbon	Q235B	≥235MPa	375-500MPa	Good plasticity and toughness, excellent weldability, low cost, and the most versatile	Ordinary factories, civil buildings, secondary structures
Carbon Steel-Low Alloy	Q355B	≥355MPa	470-630MPa	High strength, good comprehensive mechanical properties, high cost performance	Main load-bearing components, long-span factory buildings, bridges
Carbon Steel-Low Temperature	Q355D/E	≥355MPa	470-630MPa	Good low temperature impact toughness, qualified for impact at -20/-40℃	Cold areas, winter construction, outdoor steel structures
Carbon steel-high strength	Q420/Q460	≥420/460MPa	520-680MPa	High strength, reducing structural weight and saving steel	Super high-rise, long-span, heavy equipment foundation
Stainless steel-commonly used	304/304L	≥205MPa	≥520MPa	Good corrosion resistance, better weldability of low carbon version, universal type	Chemical industry, food, water treatment, general corrosive environment
Stainless steel - corrosion resistant	316/316L	≥205MPa	≥520MPa	Added molybdenum element, stronger resistance to pitting corrosion and chloride ion corrosion	Coastal, marine engineering, chemical industry strong acid and alkali environment
Stainless Steel - Heat Resistant	321/310S	≥205/205MPa	≥520/520MPa	Resistant to high temperature oxidation, 310S can withstand temperatures above 1000°C	High temperature furnaces, heat treatment equipment, boiler structures
Stainless steel-economical	201/430	≥275/205MPa	≥520/450MPa	The price is lower, 201 contains high manganese, and 430 is ferrite.	Decoration, indoor dry environment, low-cost projects

Application areas

Application areas	Specific scene	Recommended products	Common specifications	Key points for selection
industrial plant	Steel structure factory main beams/columns, crane beams, purlin supports	Carbon steel H-shaped steel Galvanized H-beam	HN300×150 ~ HN700×300 HW200×200 ~ HW400×400	Choose wide flanges for large spans, heavy-duty for cranes, and galvanized for wet environments.
high-rise building	Steel frame columns, transfer floor girders, core tube columns, corridor trusses	Carbon steel H-shaped steel (Q355B/C)	HW300×300 ~ HW400×400 HM400×300 ~ HM600×300	Choose high-strength materials for high-rise buildings, choose C/D grade for high seismic resistance, and require flaw detection.
bridge engineering	Highway bridge main beam, pedestrian bridge, municipal viaduct, steel box girder	Carbon steel H-shaped steel (Q355C/D)	HN500×200 ~ HN900×300 Large size welded H-shaped steel	Special steel for bridges is selected for dynamic loads, and low-temperature-resistant materials are selected for low-temperature areas.
Municipal Engineering	Subway supports, tunnel steel arches, pipe gallery supports, guardrail columns	Carbon steel H-shaped steel Galvanized H-beam	HN200×100 ~ HN400×200 HW150×150 ~ HW300×300	For underground projects, choose ones with high anti-corrosion levels, and choose economic ones for temporary supports.
Petrochemical industry	Device structure, equipment platform, pipe gallery bracket, reaction tower frame	Stainless steel H-shaped steel (304/316)	H150×150 ~ H400×400 Customized specifications on demand	Choose 316L for corrosive media, 304 for normal temperature, and select materials strictly according to the medium.
Electric power industry	Power plant boiler structure, transmission tower, substation structure, photovoltaic bracket	Carbon steel/galvanized H-beam	HN200×100 ~ HN400×200 Small size thin wall H-shaped steel	Choose galvanized anti-corrosion for outdoor use, heat-resistant steel for high-temperature areas, and 316 for coastal areas.
Shipbuilding Marine	Ship frames, offshore platforms, port machinery, terminal facilities	Carbon steel H-shaped steel Stainless steel H-shaped steel	HN300×150 ~ HN600×300 Classification society certified material	Marine use requires classification society certification, and marine engineering uses materials that are resistant to seawater corrosion.
Mechanical equipment	Equipment base, rack column, production line frame, lifting machinery	Carbon steel H-shaped steel	H100×100 ~ H500×300 Customized processing on demand	Choose large specifications for heavy equipment, and choose high straightness for precision equipment.
Warehousing and Logistics	Shelf columns, platform beams, three-dimensional warehouses, logistics centers	Galvanized H-beam Thin wall H-shaped steel	HN150×75 ~ HN300×150 Small size economic section	Ordinary carbon steel can be selected indoors, and galvanized steel can be selected for high humidity/outdoors. Consider the load.
decoration decoration	Interior decorative beams, curtain wall keels, ceiling frames, modeling structures	Stainless steel H-shaped steel Galvanized H-beam	Small size H100×50 ~ H200×100 Can be polished/brushed	Choose brushed stainless steel for exposed decoration, and choose galvanized economical surface for concealed decoration.

Specifications and models

Model category	Model specifications	HeightH(mm)	Flange width B (mm)	Web thickness t1 (mm)	Flange thickness t2 (mm)
Narrow flange HN	HN100×50	100	50	5	7
Narrow flange HN	HN125×60	125	60	6	8
Narrow flange HN	HN150×75	150	75	5	7
Narrow flange HN	HN200×100	200	100	5.5	8
Narrow flange HN	HN250×125	250	125	6	9
Narrow flange HN	HN300×150	300	150	6.5	9
Narrow flange HN	HN350×175	350	175	7	11
Narrow flange HN	HN400×200	400	200	8	13
Narrow flange HN	HN450×200	450	200	9	14
Narrow flange HN	HN500×200	500	200	10	16
Narrow flange HN	HN600×200	600	200	11	17
Narrow flange HN	HN700×300	700	300	13	24
Wide flange HW	HW100×100	100	100	6	8
Wide flange HW	HW125×125	125	125	6.5	9
Wide flange HW	HW150×150	150	150	7	10
Wide flange HW	HW200×200	200	200	8	12
Wide flange HW	HW250×250	250	250	9	14
Wide flange HW	HW300×300	300	300	10	15
Wide flange HW	HW350×350	350	350	12	19
Wide flange HW	HW400×400	400	400	13	21
middle flange HM	HM150×100	150	100	6	9
middle flange HM	HM200×150	200	150	6	9
middle flange HM	HM250×175	250	175	7	11
middle flange HM	HM300×200	300	200	8	12
middle flange HM	HM350×250	350	250	9	14
middle flange HM	HM400×300	400	300	10	16
middle flange HM	HM500×300	500	300	11	18
middle flange HM	HM600×300	600	300	12	20

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.