What is the minimum tensile strength of Grade 8.8 bolts?

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

Eco-Friendly Steel Structure for Community Centers

Name: Eco-Friendly Steel Structure for Community Centers
Brand: Tiankai Southeast Green Building Technology (Henan) Co., Ltd.
SKU: 2129924692

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 with high steel strength, good toughness, and ductility to bear heavy loads safely.

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

Flexible Large-Span Design: Achieves column-free large-span spaces with convenient layout adjustments for future needs.

Eco-Friendly & Sustainable: Environmentally friendly with less construction waste and a steel recycling rate exceeding 90%.

Earthquake Resistant: Stable performance in disasters such as earthquakes due to high ductility and toughness.

High-Grade Steel Options: Available in Q235, Q345, and ASTM A36 grades with yield strengths up to 345 MPa.

Diverse Cross-Section Shapes: Offers I-beam, H-beam, channel, and angle shapes to meet various structural requirements.

Advanced Manufacturing Capacity: Monthly production capacity of 6,000 tons with 58 cranes and 8 professional production lines.

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: ≤0.94hTerms 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