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Steel(AISC) CFSteel(AISI) Concrete(ACI) Foundation

SteelProperties

SteelType ASTMDesignation

FyMin.YieldStress

(ksi)

FuTensileStress

(ksi)

ApplicableShapeSeries

W M S HP C MC L HSSRect. HSSRound Pipe

Carbon

A36 36 5880 A53Gr.B 35 60

A500Gr.B

42 58 46 58

Gr.C46 62 50 62

A501 36 58

A529Gr.50 50 65100 Gr.55 55 70100 Gr.42 42 60 Gr.50 50 65

description value unitDensity 490 lb/ft3

UnitWeight 0.49 kips/ft3

Modulusofelasticity 29,000 ksiShearModulus 11,200 ksi

ThermalCoefficient 6x106 /oFPoissonRatio 0.3

ApplicableASTMSpecificationsforVariousStructuralShapes

S P A C E F R A M E S - N I G E R I A

Large Span Unsupported Space Frame Roofs(>30m)Electric Cranes &Towers

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HighStrengthlowAlloy

A572 Gr.55 55 70 Gr.60 60 75 Gr.65 65 80

A618 Gr.I&II 50 70 Gr.III 50 65

A913

50 50 60 60 60 75 65 65 80 70 70 90

A992 5065 65

CorrosionResistHighStrength

LowAlloy

A24242 63 46 67 50 70

A588 50 70 A847 50 70

SteelType ASTMDesignation

FyMin.YieldStress

(ksi)

FuTensileStress

(ksi)

Platesandbars

to0.75incl. over0.75to1.25over1.25to

1.5over1.5to

2incl.over2to2.5incl.

over2.5to4incl.

over4to5incl.

over5to6incl.

over6to8incl. over8

CarbonA36

32 5880 36 5880

A529Gr.50 50 70100 Gr.55 55 70100

highstrengthLowAlloy A572

Gr.42 42 60 Gr.50 50 65 Gr.55 55 70

ApplicableASTMSpecificationsforPlatesandBars

Preferredmaterialspecification

Otherapplicablematerialspecification,theavailabilityofwhichshouldbeconfirmedpriortospecification

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Gr.60 60 75 Gr.65 65 80

corrosionResistanthighstrengthLowAlloy

A24242 63 46 67 50 70

A58842 63 46 67 50 70

Quenchedandtempered

AlloyA514

90 100130

100 110130 Quenched

andtemperedLowAlloy

A852 70 90110

Preferredmaterialspecification

Otherapplicablematerialspecification,theavailabilityofwhichshouldbeconfirmedpriortospecification