Seeking supplier of alloys for air force

Letter 7011

Seeking supplier of alloys for air force

+

Dear Sir

We have received Tender Enquiries from Pakistan Air Force ( PAF ) That they they have requirement for Air Craft Material light in weight , Durable and resistance to environment under diffrent condition for manufactring & maintance center in series of ASTM-2024 and 7075 which have under mentioned properties in Pak currency ( Rupess )

2. Product Must conform to the MIL Specs. or ASTM-2024 & 7075 with diffrent "T" condition as mentioned below.

3. In case of availability of 2024 & 7075 , chemically composition and physical properties Purchaser have requested to provide the MAx, size of ingot , Rod , Bar , Plate , and sheet along with their price .

4. Minimum thickness of the sheet and the dimention in 1 & 1.5 mm sheet of stander size i.e. 4ft. X 6 ft.

You are requested to intimate possibility for supply the said material to Pakland Traders to Pass on Pakistan Air force (PAF ) on confirmed irrevocable L/C basis .

AL-ALLOY 2024-To.

i) Standard Chemical Composition:

Fe (0.50 max) Cu (3.8 ~ 4.8 %) Si (0.050 % max)

Mn(0.030 ~ 9.0 %) Mg(1.2 ~ 1.8 %) Cr (0.10% max)

Zn (0.25 max) Ti (0.15 max) Al (rem)

ii) Hardness : 47BHN.

iii) Tensile Strength: 27,000 Lbs/in2 (19.02 Kg/mm2)

iv) Yield Strength : 11,000 Lbs/in2 ( 7.75 Kg/mm2)

v) Shear Strength : 18,000 Lbs/in2 (12.68 Kg /mm2)

vi) Poission : 0.33 at 20 oC

vii) Elastic Modulus: a) Tension (10,5 x 106 Lbs/in2)

b) Shear (4 x 106 Lbs/in2)

viii) Thermal Conductivity : 120 W/m.k

ix) Electrical Conductivity : 30 % I ACS

x) Electrical Resistivety : 57 n W.m.

xi) Density : 0.0028 g / mm3

AL-ALLOY 2024-T3.

viii) Standard Chemical Composition:

Fe (0.50 max) Cu (3.8 ~ 4.8 %) Si (0.050 % max)

Mn(0.030 ~ 9.0 %) Mg(1.2 ~ 1.8 %) Cr (0.10% max)

Zn (0.25 max) Ti (0.15 max) Al (rem)

ix) Hardness : 120 BHN.

x) Tensile Strength: 70,000 Lbs/in2 (49.3 Kg/mm2)

xi) Yield Strength : 50,000 Lbs/in2 ( 35.2 Kg/mm2)

xii) Shear Strength : 41,000 Lbs/in2 (29 Kg /mm2)

xiii) Poission : 0.33 at 20 oC

xiv) Elastic Modulus: a) Tension (10,5 x 106 Lbs/in2)

b) Shear (4 x 106 Lbs/in2)

viii) Thermal Conductivity : 120 W/m.k

ix) Electrical Conductivity : 30 % I ACS

x) Electrical Resistivety : 57 n W.m.

xi) Density : 0.0028 g / mm3

AL-ALLOY 2024-T4.

i) Standard Chemical Composition:

Fe (0.50 max) Cu (3.8 ~ 4.8 %) Si (0.050 % max)

Mn(0.030 ~ 9.0 %) Mg(1.2 ~ 1.8 %) Cr (0.10% max)

Zn (0.25 max) Ti (0.15 max) Al (rem)

ii) Hardness : 120 BHN.

iii) Tensile Strength: 68,000 Lbs/in2 (47.9 Kg/mm2)

iv) Yield Strength : 47,000 Lbs/in2 ( 33 Kg/mm2)

v) Shear Strength : 41,000 Lbs/in2 (29 Kg /mm2)

vi) Poission : 0.33 at 20 oC

vii) Elastic Modulus: a) Tension (10,5 x 106 Lbs/in2)

b) Shear (4 x 106 Lbs/in2)

viii) Thermal Conductivity : 120 W/m.k.

ix) Electrical Conductivity : 30 % I ACS

x) Electrical Resistivety : 57 n W.m.

xi) Density : 0.0028 g / mm3

AL-ALLOY 7075-T0.

i) Standard Chemical Composition:

Fe (0.50 max) Cu (1.20 ~ 2.0 %) Si (0.40 % max)

Mn(0.30) Mg(2.1 ~ 2.9 %) Cr (0.18~0.28% max)

Zn (5.1 ~ 6.1 max) Ti (0.20 max) Al (rem)

ii) Hardness : 60 HB.

iii) Tensile Strength: 33,000 Lbs/in2 (23.25 Kg/mm2)

iv) Yield Strength : 15,000 Lbs/in2 ( 10.56 Kg/mm2)

v) Shear Strength : 22,000 Lbs/in2 (15.50 Kg /mm2)

vi) Poission : 0.33 at 20 oC

vii) Elastic Modulus: a) Tension (10,3 x 106 Lbs/in2)

b) Shear (3.9 x 106 Lbs/in2)

viii) Thermal Conductivity : 130 W/m.k

ix) Electrical Conductivity : 33 % I ACS

x) Electrical Resistivety : 52.2 n W.m.

xi) Density : 0.0028 g / mm3

AL-ALLOY 7075-T6.

i) Standard Chemical Composition:

Fe (0.50 max) Cu (1.20 ~ 2.0 %) Si (0.40 % max)

Mn(0.30) Mg(2.1 ~ 2.9 %) Cr (0.18~0.28% max)

Zn (5.1 ~ 6.1 max) Ti (0.20 max) Al (rem)

ii) Hardness : 150 HB.

iii) Tensile Strength: 83,000 Lbs/in2 (58.48 Kg/mm2)

iv) Yield Strength : 73,000 Lbs/in2 ( 51.432 Kg/mm2)

v) Shear Strength : 48,000 Lbs/in2 (33.82 Kg /mm2)

vi) Poission : 0.33 at 20 oC

vii) Elastic Modulus: a) Tension (10,3 x 106 Lbs/in2)

b) Shear (3.9 x 106 Lbs/in2)

viii) Thermal Conductivity : 130 W/m.k

ix) Electrical Conductivity : 33 % I ACS

x) Electrical Resistivety : 52.2 n W.m.

xi) Density : 0.0028 g / mm3

M.Bashir Shah, Director Imports
Pakland Traders-Pakistan.

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