What is the tensile strength of Grade 8.8 bolts?

Grade 8.8 bolts have a minimum tensile strength of 800 MPa.

Is the construction process efficient?

Yes, components are prefabricated in the factory and assembled on-site, greatly shortening the construction cycle.

Powder-Coated Steel Frame for Durable and Eco Friendly Finish

Name: Powder-Coated Steel Frame for Durable and Eco Friendly Finish
Brand: Tiankai Southeast Green Building Technology (Henan) Co., Ltd.
SKU: 2128551972

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 Steel Construction: Utilizes Q235 and Q345 grades with yield strength up to 345 MPa for superior load bearing.

Eco-Friendly and Sustainable: Features over 90% steel recycling rate and minimal construction waste for green development.

Efficient Prefabricated Assembly: Factory prefabricated components assembled on-site to significantly shorten construction cycles.

Flexible Large-Span Design: Enables column-free spaces with adjustable layouts for versatile architectural needs.

Seismic Safety and Durability: Excellent toughness and ductility ensure stability and safety during earthquakes.

Diverse Cross-Section Options: Available in I-beam, H-beam, channel, and angle shapes to suit various structural requirements.

High Production Capacity: Monthly output of 6,000 tons supported by 8 professional production lines and 58 cranes.

Advanced Manufacturing Technology: Equipped with over 200 patented technologies and specialized equipment for complex nodes.

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: ≤0.97hTerms 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