1.4308 Stainless Steel Casting

1.4308 Stainless Steel Casting

1.4308 Stainless Steel Castings Custom Machining Products Product Description and Process 1.4308 Stainless Steel Castings Custom Machining Products Production process: lost wax (silica sol) investment castings Weight range: from 10 grams to 30 kilograms Surface treatment process: passivation...

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1.4308 Stainless Steel Castings Custom Machining Products

Product Description and Process

1.4308 Stainless Steel Castings Custom Machining Products

Production process: lost wax (silica sol) investment castings

Weight range: from 10 grams to 30 kilograms

Surface treatment process: passivation treatment

Machining process: CNC machine, machining center, lathe, mill machine, drill machine, etc.


Product Material and Uses

Normally produce with ASTM A743/A743M Grade CF8, CF8M, CF3, CF3M, ZG0Cr18Ni10, ZG0Cr18Ni9, ZG0Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti, ZG1Cr18Ni12Mo2Ti, etc.

The stainless steel casting products are widely used for auto-car components, Machinery & Pump Parts, Marine Parts, valve parts, pipe parts, etc.


Composition

Typical compositional ranges for grade 304 stainless steels are given in table 1.


Table 1. Composition ranges for 304 grade stainless steel

Grade


C

Mn

Si

P

S

Cr

Mo

Ni

N

304

min.
max.

-0.08

-2.0

-0.75

-0.045

-0.030

18.0
20.0

-

8.0
10.5

-0.10

304L

min.
max.

-0.030

-2.0

-0.75

-0.045

-0.030

18.0
20.0

-

8.0
12.0

-0.10

304H

min.
max.

0.04
0.10

-2.0

-0.75

-0.045

-0.030

18.0
20.0

-

8.0
10.5

-


Mechanical Properties

Typical mechanical properties for grade 304 stainless steels are given in table 2.

Table 2. Mechanical properties of 304 grade stainless steel

Grade

Tensile Strength (MPa) min

Yield Strength 0.2% Proof (MPa) min

Elongation (% in 50 mm) min

Hardness

Rockwell B (HR B) max

Brinell (HB) max

304

515

205

40

92

201

304L

485

170

40

92

201

304H

515

205

40

92

201

304H also has a requirement for a grain size of ASTM No 7 or coarser.


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