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Grade 6063
Other Names
Corresponding Standard JIS H 4040-2015
Aluminium and aluminium alloy bars and wires
Classification Aluminum and Aluminum Alloys
Properties Corrosion Resistance
6063 Chemical Element Composition Content (%)
Component Fe Si Mn Cr Cu Ti Zn Mg Other Individual Other Total More
Minimum Value - 0.2 - - - - - 0.45 - - Al:余量
Maximum Value 0.35 0.6 0.1 0.1 0.1 0.1 0.1 0.9 0.05 0.15
"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.
6063 Mechanical Properties
condition Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
Extruded bar (BE); d ≤ 200 6063 O Annealing (O) ≤130 - A50mm
≥16
Extruded bar (BE); d ≤ 200 6063 H111 Strain-Hardening (H111) ≥130 - ≥16
Extruded Rod (BE); d≤12 6063 T1 High-temperature forming cooling + Natural aging (T1) ≥120 ≥60 ≥12
Extruded Bar (BE); 12<d≤25 High-temperature forming cooling + Natural aging (T1) ≥110 ≥55 ≥12
Extruded bar (BE); d≤150 6063 T4 Solution Heat Treatment + Natural Aging (T4) ≥130 ≥65 A
≥14
Extruded Bar (BE); 150<d≤200 Solution Heat Treatment + Natural Aging (T4) ≥120 ≥65 ≥12
Extruded Rod (BE); d≤12 6063 T5 High Temperature Forming Process Cooling + Artificial Aging (T5) ≥150 ≥110 ≥7
Extruded Bar (BE); 12<d≤25 High Temperature Forming Process Cooling + Artificial Aging (T5) ≥145 ≥105 ≥7
Extruded bar (BE); d≤3 6063 T6 Solution Heat Treatment + Artificial Aging (T6) ≥205 ≥170 A50mm
≥8
Extruded Bar (BE); 3<d≤25 Solution Heat Treatment + Artificial Aging (T6) ≥205 ≥170 ≥10
Extruded bar (BE); d ≤ 200 6063 T66 Solution heat treatment + artificial aging (T66) ≥245 ≥200 ≥8
Cold Drawn Rod (BD); d≤6 6063 T39 Solid Solution Heat Treatment + Cold Working + Natural Aging (T39) ≥280 - -
Cold Drawn Bar (BD); d>6 Solid Solution Heat Treatment + Cold Working + Natural Aging (T39) ≥230 - -
Cold drawn rod (BD); d ≤ 80 6063 T4 Solution Heat Treatment + Natural Aging (T4) ≥150 ≥75 ≥13
Cold drawn rod (BD); d ≤ 80 6063 T6 Solution Heat Treatment + Artificial Aging (T6) ≥220 ≥190 ≥8
Cold drawn rod (BD); d ≤ 80 6063 T66 Solution heat treatment + artificial aging (T66) ≥230 ≥195 ≥8
Cold Drawn Rod (BD); d≤6 6063 T89 Solution heat treatment + cold working + artificial aging (T89) ≥270 - -
① A50mm、A（5.65√S0）- gauge length，S0-Specimen area，s=S0，unit mm sq
② d-diameter、thickness or width across flats, unit mm；s - cross section area, unit mm sq
6063 Corresponding Standards(Same grade name, different standards)
1 GB /T 3190-2008
6063 (LD31)
2 GB /T 3190-2020
6063 (LD31)
3 JIS H 4040-2015
6063 A6063 BE A6063 BD
4 GB /T 3191-2019
6063 (LD31)
5 GJB 2662A-2008
6063 (LD31)
6 GB /T 3880.1-2012
6063 (LD31)

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