STB PDF

Aerospace series. Bolts, large bihexagonal head, close tolerance normal shank, medium length thread, in heat resisting nickel base alloy, passivated, with aluminium pigmented coating. Classification: 1 550 MPa (at ambient temperature) / 315 °C. Original standard BS EN 4498-2005 in PDF full version. Additional info + preview on request

Document status: Active

Aerospace series. Screws, 100° countersunk reduced head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating. Classification: 1100 MPa (at ambient temperature) / 315 °C. Original standard BS EN 4499-2009 in PDF full version. Additional info + preview on request

Document status: Active

Fly ash for concrete. Definition, specifications and conformity criteria. Original standard BS EN 450-1-2012 in PDF full version. Additional info + preview on request

Document status: Active

Fly ash for concrete. Conformity evaluation. Original standard BS EN 450-2-2005 in PDF full version. Additional info + preview on request

Document status: Active

Aerospace series. Metallic materials. Rules for drafting and presentation of material standards - General rules. Original standard BS EN 4500-001-2024 in PDF full version. Additional info + preview on request

Document status: Active

Aerospace series. Metallic materials. Rules for drafting and presentation of material standards. Specific rules for aluminium, aluminium alloys and magnesium alloys. Original standard BS EN 4500-002-2024 in PDF full version. Additional info + preview on request

Document status: Active