Space Frame Structure
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Space Frame Bolt

Product description

Strength classification of bolts used in space frame structures shall be of 8.8s/10.9s quality in conformity with GB/T16939-2016 standard, with ISO metric thread sizes. Bolts shall be blacking treatment or coated by DACROMET coating to avoid Hydrogen Embrittlement Fracture and will provide high corrosion resistance in conformity with ISO 10683 standard.

Technical Advantages

  • DACROMET coating to avoid Hydrogen embrittlement Fracture
  • The bolt has a dowel pin and is screwed into the node via a sleeve.
  • Compression is transmitted via the sleeve, stresses via the bolt.
  • SAFS Email: safs139@safsteelstructure.com

Technical Specifications

specification

Code

Chemical composition of raw materials

Bolt tension test

chemical composition

C%

Si%

Mn%

Cr%

P%

S%

mechanical property

tensile strength

MPa

Yield Strength

MPa

HRC

M16

GB/T16939-2016

standard value

0.37-0.44

0.17-0.37

0.50-0.80

0.80-1.10

≤0.030

≤0.030

standard value

1040~1240

940

32~37

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