タイトルまたは説明

Material: Aluminum Bronze drawn rod (hard, 5 ~ *0mm)

Grade: QAl**2

Standard: GB/T ********2

The characteristics and applicable scope:

Aluminum bronze QAl**2 containing manganese, high strength, corrosion in the atmosphere, fresh water and sea water is very good, can not easily electric welding and gas welding, brazing, in the hot and cold working were good. For the production of spring and other corrosion resistant components, such as worm etc..

The QAl**2 aluminum bronze

● chemical composition:

Copper Cu: allowance

Tin: Sn ≤ 0.1

Zinc: Zn ≤ 1

Lead: Pb ≤ 0.*3

P: P ≤ 0.*3

Aluminum Al:8.0 ~ *0

Iron: Fe ≤ 0.5

Mn, Mn:1.5 ～ 2.5

Silicon Si: ≤ 0.1

Note: ≤ 1.7 (impurity)

● mechanical properties:

Tensile strength σB(MPa ≥ *40)

Elongation δ 10(%): = 1

Elongation δ5(%): = 1

Note: the tensile mechanical properties at room temperature of the longitudinal bars

Sample size: diameter or on the edge distance of 5 to *0

● heat treatment specification: thermal processing temperature **0 ～ **0 ℃; annealing temperature **0 ～ **0 ℃; quenching temperature **0 ℃ tempering temperature **0 ℃ water.