430 Stainless Steel Bar

430 Stainless Steel Bar

430 stainless steel is a good corrosion resistance of the general-purpose steel, thermal conductivity than austenite, thermal expansion coefficient biot is small, heat fatigue, add stable element ti, weld part of the mechanical properties of good. 430 stainless steel used for building...
Product description

430 stainless steel is a good corrosion resistance of the general-purpose steel, thermal conductivity than austenite, thermal expansion coefficient biot is small, heat fatigue, add stable element ti, weld part of the mechanical properties of good. 430 stainless steel used for building decoration, fuel burner parts, household appliances, home appliances components. 430F is on 430 steel with easy cutting performance, mainly used in automatic lathe, bolts and nuts. 430LX in 430 steel to add ti or NB, reduce the C content, improve the processing performance and welding performance, mainly used in hot water tanks, heat supply systems, sanitary appliances, home with durable utensils, bicycle flywheel and so on.


Because of its chromium content, it is called 18/0 or 18-0. Compared with 18/8 and 18/10, chromium is slightly less and the hardness decreases correspondingly.


Type

Grade

Chemical Composition

C

Cr

Ni

Mn

P

S

Mo

Si

N

Other



Ferrite

405

≤0.08

11.50-14.50

3)

≤1.00

≤0.035

≤0.030

-

≤1.00

-

Al   0.10-0.30

410L

≤0.030

11.00-13.00

3)

≤1.00

≤0.035

≤0.030

-

≤1.00

-

-


430

≤0.12

16.00-18.00

3)

≤1.25

≤0.035

≤0.030

-

≤0.75

-

-


430F

≤0.12

16.00-18.00

3)

≤1.00

≤0.035

≥0.15

1)

≤1.00

-

-


434

≤0.12

16.00-18.00

3)

≤1.00

≤0.035

≤0.030

0.75-1.25

≤1.00

-

-


447J1

≤0.010

28.50-32.00

-

≤0.40

≤0.035

≤0.030

1.50-2.50

≤0.40

≤0.015

-


XM27

≤0.010

25.00-27.50

-

≤0.40

≤0.035

≤0.030

0.75-1.50

≤0.40

≤0.015

-


Martensite

403

≤0.15

11.50-13.00

3)

≤1.00

≤0.035

≤0.030

-

≤0.50

-

-

410

≤0.15

11.50-13.50

3)

≤1.00

≤0.035

≤0.030

-

≤1.00

-

-


405

≤0.08

11.50-13.50

3)

≤1.00

≤0.035

≤0.030

-

≤1.00

-

-


416

≤0.15

12.00-14.00

3)

≤1.25

≤0.035

≥0.15

1)

≤1.00

-

-


410J1

≤0.08-0.18

11.50-14.00

3)

≤1.00

≤0.035

≤0.030

0.30-0.60

≤0.60

-

-


420J1

0.16-0.25

12.00-14.00

3)

≤1.00

≤0.035

≤0.030

-

≤1.00

-

-


420J2

0.26-0.35

12.00-14.00

3)

≤1.00

≤0.035

≤0.030

-

≤1.00

-

-


420F

0.26-0.40

12.00-14.00

3)

≤1.25

≤0.035

≥0.15

1)

≤1.00

-

-



0.28-0.35

12.00-14.00

3)

≤1.00

≤0.035

≤0.030

0.50-1.00

≤0.80

-

-



0.36-0.45

12.00-14.00

3)

≤0.80

≤0.035

≤0.030

-

≤0.60

-

-


431

0.11-0.17

16.00-18.00

1.50-2.50

≤0.80

≤0.035

≤0.030

-

≤0.80

-

-


440A

0.60-0.75

16.00-18.00

3)

≤1.00

≤0.035

≤0.030

4)

≤1.00

-

-


440B

0.75-0.95

16.00-18.00

3)

≤1.00

≤0.035

≤0.030

4)

≤1.00

-

-



0.90-1.00

17.00-19.00

3)

≤0.80

≤0.035

≤0.030

4)

≤0.80

-

-


440C

0.95-1.20

16.00-18.00

3)

≤1.00

≤0.035

≤0.030

4)

≤1.00

-

-


440F

0.95-1.20

16.00-18.00

3)

≤1.25

≤0.035

≥0.15

4)

≤1.00

-

-



0.95-1.10

16.00-18.00

3)

≤0.80

≤0.035

≤0.030

0.40-0.70

≤0.80

-

-



0.85-0.95

17.00-19.00

3)

≤0.80

≤0.035

≤0.030

1.00-1.30

≤0.80

-

V0.07-0.12


Properties and Application of Materials

430 stainless steel has the ability of oxidation resistance to corrosion, but intergranular corrosion tendency.

430 Stainless steel wire is widely used in the axis.


Surface Rating

430 Stainless Steel has the following States, the state is not the same, the stain resistance and corrosion resistance is not the same.

NO. 1, 1D, 2D, 2B, N0.4, HL, BA, Mirror, and a variety of other surface treatment status.


Characteristics and Processing Technology

1D-surface has discontinuous granular, also known as fog surface. Processing technology: Hot-rolled + annealing shot pickling + cold rolling + annealing pickling.


2D-is slightly lustrous and silvery white. Processing technology: Hot-rolled + annealing shot pickling + cold rolling + annealing pickling.


2B-is silvery white and has a better gloss and flatness than the 2D surface. Processing technology: Hot rolled + annealing shot pickling + cold rolling + annealing pickling + tempering rolling.


BA-surface gloss is extremely good, has the very high reflectivity, like the mirror surface. Processing technology: Hot rolled + annealing shot pickling + cold rolling + annealing pickling + surface polishing + tempering rolling.


No. 3-Has a good gloss, the surface is coarse-grained. Processing technology: The 2D pbaruct or 2 B with 100~120 abrasive material (JIS R6002) for polishing and rolling.


No. 4-Has a good gloss, the surface of fine lines. Processing technology: The 2D pbaruct or 2 B with 150~180 abrasive material (JIS R6002) for polishing and rolling.


HL-is silvery gray and has a hairline stripe. Processing technology: The 2D pbaructs or 2B pbaructs with appropriate particle size of the abrasive material for polishing to make the surface continuous grinding.


MIRRO-is mirror-state. Processing technology: 2D pbaructs or 2B pbaructs with appropriate granularity of abrasive material for grinding polishing to the mirror effect.


 


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