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AISI 1030 SAE UNS G10300 Carbon Steel Foundry

Steel foundry in China for producing AISI 1030 SAE UNS G10300 Carbon Steel castings. The followings are this material's chemical composition, physical and mechanical properties and equivalent material grades.

The following sections will discuss in detail about AISI 1030 carbon steel.

Chemical Composition

The chemical composition of AISI 1030 carbon steel is outlined in the following table.

Element

Content (%)

Iron, Fe

98.67-99.13

Manganese, Mn

0.60-0.90

Carbon, C

0.270-0.340

Phosphorous, P

≤ 0.040

Sulfur, S

≤ 0.050

Physical Properties

The physical properties of AISI 1030 carbon steel are tabulated below.

Properties

Metric

Imperial

Density

7.85 g/cc

0.284 lb/in3

Melting point

1510°C

2750°F

Mechanical Properties

The following table shows mechanical properties of the cold drawn AISI 1030 carbon steel.

Properties

Metric

Imperial

Tensile strength, ultimate

525 MPa

76100 psi

Tensile strength, yield

440 MPa

63800 psi

Modulus of elasticity

190-210 GPa

29700-30458 ksi

Bulk modulus (typical for steel)

140 GPa

20300 ksi

Shear modulus (typical for steel)

80 GPa

11600 ksi

Poissons ratio

0.27-0.30

0.27-0.30

Elongation at break (in 50 mm)

12%

12%

Reduction of area

35%

35%

Hardness, Brinell

149

149

Hardness, Knoop (converted from Brinell hardness)

169

169

Hardness, Rockwell B (converted from Brinell hardness)

80

80

Hardness, Vickers (converted from Brinell hardness)

155

155

Machinability (based on AISI 1212 steel. as 100 machinability)

70

70

Thermal Properties

The thermal properties of AISI 1030 carbon steel are given in the following table.

Properties

Metric

Imperial

Thermal expansion co-efficient (@15-75°C/59-167°F)

11.7 µm/m°C

6.50 µin/in°F

Thermal Conductivity

51.9 W/mK

360 BTU in/hr.ft2.°F

Other Designations

Other designations that are equivalent to AISI 1030 carbon steel include the following:

ASTM A29 (1030)

ASTM A546 (1030)

SAE J403 (1030)

ASTM A510 (1030)

ASTM A576 (1030)

SAE J412 (1030)

ASTM A512 (1030)

ASTM A682 (1030)

DIN 1.1172

ASTM A513 (1030)

ASTM A830

UNI CB 35

ASTM A519 (1030)

MIL S-11310 (CS 1030)

ASTM A108

ASTM A544 (1030)

FED QQ-S-700(C1030)

FED QQ-S-635

ASTM A545 (1030)

SAE J1397 (1030)

 

Fabrication and Heat Treatment

Machinability

The machinability rating of AISI 1030 carbon steel is 70.

Forming

The formability of AISI 1030 carbon steel in the annealed condition is good.

Welding

AISI 1030 carbon steel can be welded by all welding methods. It is advisable to pre-heat the heavy sections of this steel at 149 to 260°C (300 to 500°F) and then post-heat at 593 to 649°C (1100 to 1200°F) for welding.

Heat Treatment

AISI 1030 carbon steel is heat treated at 816 to 871°C (1500 to 1600°F) and quenched in water. This process is followed by a tempering treatment.

Forging

AISI 1030 carbon steel is forged at 982 to 1260°C (1800 to 2300°F).

Hot Working

Hot working of AISI 1030 carbon steel is performed at 93 to 482°C (200 to 900°F).

Cold Working

In the annealed condition, cold working of AISI 1030 steel may be performed by conventional methods. After annealing, a full or stress relief anneal may be required.

Annealing

Annealing of AISI 1030 carbon steel is carried out at 871 to 982°C (1600 to 1800°F) and then slow cooled in the furnace. Stress relief annealing may be carried out at 538°C (1000°F).

Hardening

AISI 1030 carbon steel is hardened by heat treatment or cold working.

Applications

AISI 1030 carbon steel is suitable for manufacturing machinery parts.

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