OTHER ALLOY STEELS

Specifications: AMS 5525, AMS 5726, AMS 5731, AMS 5732, AMS 5734, AMS 5737, AMS 5804, AMS 5805, AMS 5853
AMS 5858, AMS 5895, ASTM A453 GRADE 660, ASTM A638 GRADE 660, GE B50T1181,GE B50T12, B50T81,UNS S66286

A286 is an age-hardenable iron base superalloy for applications requiring high strength from -320°F up to 1000°F long time, 1300-1500°F short time. Oxidation resistance is high for continuous service to 1500°F, intermittent to 1800°F. Aqueous corrosion resistance is comparable to 316L stainless. A286 is used for reasonably low cost when moderate strength and oxidation resistance are required at temperatures greater than suitable for stainless steels. Applications for A-286 are, Jet engine components, high temperature fastners, springs, non-magnetic cryogenic equipment and gas turbines.

ALLOY STEEL PIPES STOCKIST IN INDIA

A286 AMS 5731, A286 AMS 5732, A286 AMS 5737 are readily available.

A286

Chemistry, % 

             Min

                 Max

Chromium

            13.5

                  16

Nickel

            24        

                  27

Molybdenum

            1

                  1.5

Cobalt

             –

                  1

Vanadium

            0.1

                  0.5

Aluminum

             –

                  0.35

Titanium

            1.9

                  2.35

Boron

            0.003

                  0.01

Carbon

             –

                  0.08

Iron

                     remainder

Manganese       

             –

                  2

Silicon

             –

                  1

Phosphorus

             –

                 0.025

Sulfur

             –

                 0.025

SAE 4340 Alloy Steel 

Specifications: AMS 6359, AMS 6409, AMS 6414, AMS 6415, AMS 6454, ASTM A29, ASTM A322, ASTM A331, ASTM A506,ASTM A519, ASTM A646, ASTM A752, ASTM A829, MIL-S-5000, UNS G43400

AISI 4340 is a heat treatable, low alloy steel containing nickel, chromium and molybdenum. Alloy 4340 is known for its toughness and capability of developing high strength in the heat treated condition while retaining good fatigue strength. Typical applications for 4340 alloy steel are for structural use, such as aircraft landing gear, power transmission gears and shafts and other structural parts.

4340 Steel Aircraft Quality Vacuum Melted Bar  per AMS 6414 N&T (Normalized & Tempered)
4340 Steel  Aircraft Quality Air Melt Bar per AMS 6415
4340 Steel Aircraft Quality Plate & Sheet per AMS 6454, ASTM A322

SAE 4340

Chemical composition: C=0.40%, Mn=0.7%, Mo=0.25%, Cr=0.8%, Ni-1.8%

Property

Value in metric unit

Value in US unit

Density

7.872 *10³

kg/m³

491.4

lb/ft³

Modulus of elasticity

205

GPa

29700

ksi

Thermal expansion (20 ºC)

12.6*10-6

ºCˉ¹

7.00*10-6

in/(in* ºF)

Specific heat capacity

477

J/(kg*K)

0.114

BTU/(lb*ºF)

Thermal conductivity

44.6

W/(m*K)

309

BTU*in/(hr*ft²*ºF)

Electric resistivity

2.48*10-7

Ohm*m

2.48*10-5

Ohm*cm

Tensile strength (annealed)

745

MPa

108000

psi

Yield strength (annealed)

472

MPa

68500

psi

Elongation (annealed)

28

%

22

%

Hardness (annealed)

96

RB

96

RB

Tensile strength (normalized)

1279

MPa

195500

psi

Yield strength (normalized)

862

MPa

125000

psi

Elongation (normalized)

20

%

12

%

Hardness (normalized)

40 (112)

RC (RB)

40 (112)

RC (RB)


 SAE 4130 Alloy Steel

Specifications: AMS 6345, AMS 6348, AMS 6350, AMS 6351, AMS 6360, AMS 6361,AMS 6362, AMS 6370, AMS 6528, ASTM A29, ASTM A322, ASTM A331, ASTM A506, ASTM A507, ASTM A513, ASTM A519, ASTM A646, ASTM A752, ASTM A829, MIL-S-18729, MIL-S-6758

AISI 4130 is a low alloy steel containing molybdenum and chromium as strengthening agents. The carbon content is nominally 0.30% and with this relatively low carbon content the alloy is excellent from the fusion weldability standpoint. The alloy 4130 can be hardened by heat treatment. Typical applications for 4130 low alloy steel include structural use such as aircraft engine mounts and welded tubing applications.

4130 Steel Aircraft Quality Annealed per AMS-S-6758

4130 Steel Aircaft Quality Annealed per AMS 6348

4130 Steel Aircaft Quality Annealed per AMS 6370

4130 Steel Aircraft Quality Annealed per AMS 6345 N&T

4130 Steel Aircraft Quality Annealed per AMS 6350

SAE 4130

Chemical composition: C=0.30%, Mn=0.5%, Mo=0.20%, Cr=1.0%

Property

Value in metric unit

Value in US unit

Density

7.872 *10³

kg/m³

491.4

lb/ft³

Modulus of elasticity

205

GPa

29700

ksi

Thermal expansion (20 ºC)

11.2*10-6

ºCˉ¹

6.20*10-6

in/(in* ºF)

Specific heat capacity

477

J/(kg*K)

0.114

BTU/(lb*ºF)

Thermal conductivity

42.7

W/(m*K)

296

BTU*in/(hr*ft²*ºF)

Electric resistivity

2.23*10-7

Ohm*m

2.23*10-5

Ohm*cm

Tensile strength (annealed)

561

MPa

81300

psi

Yield strength (annealed)

361

MPa

52300

psi

Elongation (annealed)

28

%

28

%

Hardness (annealed)

82

RB

82

RB

Tensile strength (normalized)

669

MPa

97000

psi

Yield strength (normalized)

436

MPa

63300

psi

Elongation (normalized)

25

%

25

%

Hardness (normalized)

93

RB

93

RB

 

 SAE 4140 Alloy Steel

Specifications: AMS 6349, AMS 6381, AMS 6382, AMS 6390, AMS 6395, AMS 6529, ASTM A193, ASTM A194, ASTM A29, ASTM A320, ASTM A322, ASTM A331, ASTM A506, ASTM A513, ASTM A519, ASTM A646, ASTM A711, ASTM A752, ASTM A829, UNS G41400

Alloy 4140 is an oil-hardening steel of relatively high hardenability. Its chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. C4140 responds well to heat-treatment and is comparatively easily machined in the heat-treated condition. With a combination of such highly desirable properties as good strength and wear resistance, excellent toughness, coupled with good ductility, and the ability to resist stress at elevated temperatures. Typical applications for 4140 alloy steel include shafts, gears, bolts, couplings, spindles, tool holders, sprockets, hydraulic machinery shafts, oil industry drill collars,Kelly bars, tools joints.

C

Mn

P

Si

Mo

Cr

0.38 – 0.43

0.75 – 1.00

max. 0.035

max. 0.04

0.15 – 0.35

0.8 – 1.10

 SAE 6150 Alloy Steel

Specifications: AMS 6448, AMS 6450, AMS 6455, AMS 7301, ASTM A29, ASTM A322, ASTM A331, ASTM A519, ASTM A752, ASTM A829, MIL-S-8503, UNS G61500

6150 is a fine grained, highly abrasion resistant carbon-chromium alloy steel. Very good shock resistance and toughness are also key properties of this alloy in the heat treated condition. Alloy 6150 Commonly employed in heavily stressed machinery parts including shafts, gears, pinions and also in hand tool components.

SAE 6150

Chemical composition: C=0.50%, Mn=0.8%, Cr=0.95%, V=0.15%min

Property

Value in metric unit

Value in US unit

Density

7.872 *10³

kg/m³

491.4

lb/ft³

Modulus of elasticity

205

GPa

29700

ksi

Thermal expansion (20 ºC)

12.2*10-6

ºCˉ¹

6.78*10-6

in/(in* ºF)

Specific heat capacity

477

J/(kg*K)

0.114

BTU/(lb*ºF)

Thermal conductivity

46.6

W/(m*K)

323

BTU*in/(hr*ft²*ºF)

Electric resistivity

2.34*10-7

Ohm*m

2.34*10-5

Ohm*cm

Tensile strength (annealed)

667

MPa

96800

psi

Yield strength (annealed)

412

MPa

59800

psi

Elongation (annealed)

23

%

23

%

Hardness (annealed)

92

RB

92

RB

Tensile strength (normalized)

940

MPa

136300

psi

Yield strength (normalized)

616

MPa

89300

psi

Elongation (normalized)

21

%

21

%

Hardness (normalized)

28 (104)

RC (RB)

28 (104)

RC (RB)

 

SAE 8620 Alloy Steel

Specifications: AMS 6274,AMS 6276, AMS 6277, AMS 6375, ASTM A29, ASTM A322, ASTM A331, ASTM A506, ASTM A507, ASTM A513, ASTM A519, ASTM A646, ASTM A752, ASTM A829, MIL-S-8690, UNS G86200

AISI 8620 an alloy steel designed for case hardening applications. The nickel imparts good toughness and ductility. The chromium and molybdenum contribute increased hardness penetration and wear, that may be carburized. The well balanced alloy content permits hardening to produce a hard wear resistant case combined with a core strength in the order of 125,000 PSI. It has excellent machinability and responds well to polishing applications.. With the balanced analysis, this steel provides, uniform case depth, hardness and wear properties, and gives the advantage of low distortion. Typical applications for alloy 8620 are caburized splined shafts, piston pins, cam shafts, guide pins, bushings, automotive differential pinions and transmissions, arbors, bearings, sleeves king pins, carburized gears, general engineering purposes.

SAE 8620

Chemical composition: C=0.20%, Mn=0.75%, Mo=0.2%, Cr=0.5%, Ni=0.55%

Property

Value in metric unit

Value in US unit

Density

7.872 *10³

kg/m³

491.4

lb/ft³

Modulus of elasticity

205

GPa

29700

ksi

Thermal expansion (20 ºC)

12.2*10-6

ºCˉ¹

6.78*10-6

in/(in* ºF)

Specific heat capacity

477

J/(kg*K)

0.114

BTU/(lb*ºF)

Thermal conductivity

46.6

W/(m*K)

323

BTU*in/(hr*ft²*ºF)

Electric resistivity

2.34*10-7

Ohm*m

2.34*10-5

Ohm*cm

Tensile strength (annealed)

536

MPa

77800

psi

Yield strength (annealed)

357

MPa

55900

psi

Elongation (annealed)

31

%

31

%

Hardness (annealed)

80

RB

80

RB

Tensile strength (normalized)

633

MPa

91800

psi

Yield strength (normalized)

385

MPa

81800

psi

Elongation (normalized)

26

%

26

%

Hardness (normalized)

90

RB

90

RB