What is the bolt strength specification?

Grade 8.8 bolts are used, which have a minimum tensile strength of 800 MPa, ensuring strong and reliable connections for the steel structure.

Hybrid Material Steel Structure for Composite and Multi Layer Construction

Name: Hybrid Material Steel Structure for Composite and Multi Layer Construction
Brand: Tiankai Southeast Green Building Technology (Henan) Co., Ltd.
SKU: 2124636902

Henan, ChinaTiankai Southeast Green Building Technology (Henan) Co., Ltd.

US$32.80

50-499 Square Meters

US$29.60

500-1,999 Square Meters

US$27.80

2,000-4,999 Square Meters

US$25.30

5,000+ Square Meters

Product specifications

material

Product profile

Customization

Available

Connection Form

Bolt Connection

Construction Member

Steel Beam

Model NO.

Steel Structure

Grade

Carbon Structural Steel

Molding Method

Cast Steel

Residential Wall Structure

Top Wall Beam

Standard

Steel Type

High-Strength Steel

Structure

Frame Structure

Bolt Strength

Grade 8.8 Bolts Have a Minimum Tensile Strength of

Weld Strength

Depends on Welding Method, Electrode Type, etc.

Density

7850 for Carbon Steel

Cross - Section Shape

I - Beam, H - Beam, Channel, Angle

Transport Package

Roro Ships, Barges or Vehicles with Special Loadin

Specification

Q345B / Q460C

Trademark

Origin

Henan, China

HS Code

730890

Production Capacity

500, 000 T Per Year

Key features

High Strength & Safety: Excellent mechanical properties, high strength, and good toughness ensure safety in earthquakes.

Efficient Prefabrication: Factory prefabrication and on-site assembly greatly shorten construction cycles and reduce manpower.

Flexible Large-Span Design: Achieves large-span column-free spaces with flexible layouts adjustable for later-stage needs.

Eco-Friendly & Sustainable: Less construction waste and a steel recycling rate of over 90%, aligning with green development.

High Production Capacity: Monthly production capacity of 6,000 tons with 8 professional lines and advanced processing equipment.

Customizable Cross-Sections: Available in I-beam, H-beam, channel, and angle shapes to meet specific structural requirements.

Robust Bolt Connections: Grade 8.8 bolts provide a minimum tensile strength of 800 MPa for secure structural connections.

Comprehensive Manufacturing: Specializes in design, manufacturing, and installation of complex steel structures and prefabricated housing.

Company profile

R&D CapabilitiesCustomization from SamplesImporters and ExportersProduct Certification

Tiankai Southeast Green Building Technology (Henan) Co., Ltd.

Henan, China

Business Type: Manufacturer/FactoryExport Year: 2026-03-18Nearest Port: Tianjin PortAverage Response Time: ≤0.90hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW

About Our Factory & Business Background

Address500 meters south of the intersection of National Highway 310 and Industrial South Road in Xingyang City, Zhengzhou City, Henan Province

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSteel Structure Warehouse, Steel Structure Buildings, Metal-Faced Insulated Sandwich Panels, Sandwich Panels, Steel Sturcuure Workhop, Steel Structure Warehous Building, Color-Coated Steel

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What are the main advantages of this steel structure?

It offers excellent mechanical properties, high strength, good toughness, and ductility, ensuring safety in disasters like earthquakes. It is also efficient, flexible, and eco-friendly with over 90% recyclability.

Q:What steel grades are available?

Common grades include Q235, Q345, and ASTM A36. Q235 has a yield strength of 235 MPa and ultimate tensile strength of 370-500 MPa. Q345 has a yield strength of 345 MPa and ultimate tensile strength of 470-630 MPa.

Q:What cross-section shapes are offered?

Available shapes include I-beam, H-beam, channel, and angle. Dimensions such as width, height, and thickness can be customized based on specific project requirements.

Q:What is the monthly production capacity?

The factory has a monthly production capacity of 6,000 tons, supported by 8 professional production lines, 58 cranes with a max lifting capacity of 50 tons, and advanced processing equipment.

Q:What are the payment terms and lead times?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and others. Lead times are 1-3 months during peak season and within 15 workdays during the off-season.