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Prototype, Test, Teach


Experiment with new materials by ordering Protoboxes or Sample Packs



Exclusively Providing 303 Sheet/Plate | Testing...


Onlinemetals is the only D2C metal supplier providing 303 sheet/plate in North America!


Aluminum I-Beam 6061-T6-Extruded Aluminum Association
2.5" x 3" x 0.15" Aluminum I-Beam 6061-T6-Extruded Aluminum Association -
Part #: 13207
Starting at $18.16

$18.16

$18.16 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
2.33" x 3" x 0.17" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13216
Starting at $19.45

$19.45

$19.45 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
2.509" x 3" x 0.349" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13217
Starting at $20.97

$20.97

$20.97 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
2.66" x 4" x 0.19" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13218
Starting at $25.85

$25.85

$25.85 ea.
Aluminum I-Beam 6061-T6-Extruded Aluminum Association
3" x 4" x 0.17" Aluminum I-Beam 6061-T6-Extruded Aluminum Association -
Part #: 13001
Starting at $28.09

$28.09

$28.09 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
2.796" x 4" x 0.326" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13219
Starting at $29.01

$29.01

$29.01 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
3" x 5" x 0.21" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13221
Starting at $31.88

$31.88

$31.88 ea.
Aluminum I-Beam 6061-T6-Extruded Aluminum Association
3.5" x 5" x 0.19" Aluminum I-Beam 6061-T6-Extruded Aluminum Association -
Part #: 13208
Starting at $36.21

$36.21

$36.21 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
3.33" x 6" x 0.23" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13223
Starting at $38.83

$38.83

$38.83 ea.
Aluminum I-Beam 6061-T6-Extruded Aluminum Association
4" x 6" x 0.19" Aluminum I-Beam 6061-T6-Extruded Aluminum Association -
Part #: 13209
Starting at $40.68

$40.68

$40.68 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
4" x 4" x 0.313" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13220
Starting at $41.17

$41.17

$41.17 ea.
Aluminum I-Beam 6061-T6-Extruded Aluminum Association
4" x 6" x 0.21" Aluminum I-Beam 6061-T6-Extruded Aluminum Association -
Part #: 13210
Starting at $50.09

$50.09

$50.09 ea.
Aluminum I-Beam 6061-T6-Extruded Aluminum Association
4.5" x 7" x 0.23" Aluminum I-Beam 6061-T6-Extruded Aluminum Association -
Part #: 13211
Starting at $57.43

$57.43

$57.43 ea.
Aluminum I-Beam 6061-T6-Extruded Aluminum Association
5" x 8" x 0.23" Aluminum I-Beam 6061-T6-Extruded Aluminum Association -
Part #: 13212
Starting at $58.86

$58.86

$58.86 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
5" x 5" x 0.313" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13222
Starting at $60.20

$60.20

$60.20 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
4" x 8" x 0.27" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13224
Starting at $61.89

$61.89

$61.89 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
4.262" x 8" x 0.532" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13225
Starting at $76.86

$76.86

$76.86 ea.
Aluminum I-Beam 6061-T6-Extruded Aluminum Association
5" x 8" x 0.25" Aluminum I-Beam 6061-T6-Extruded Aluminum Association -
Part #: 13213
Starting at $77.13

$77.13

$77.13 ea.
Aluminum I-Beam 6061-T6-Extruded American Standard
4.66" x 10" x 0.31" Aluminum I-Beam 6061-T6-Extruded American Standard -
Part #: 13226