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The Difference Between 304j1 Modification And 304 And 304j1
Aug 08, 2018

 As we all know, 304j1 is 304 copper material, mainly used for deep processing, but also belong to the saving-Nickel series, 304j1 retrofit compared to the traditional 304 and 304j1 has more saving-nickel advantages, now, with excellent performance and price advantages, in the market by the large number of business acclaim.

However, some businesses are worried about the effect of saving-nickel on the performance of their joints.

Now, let's take a detailed look at the parameters of 304j1 and 304j1 retrofit.

1. Characteristics and Usage:

Steel Type

Characteristics

Usage

304j1 retrofit

Good formability and excellent surface quality

Tableware, kitchen utensils, decorative uses, etc.

304j1

Excellent formability, deep drawing use

Tableware, insulation cup, sink, pan and other deep drawing uses

2. Chemical composition

C

Si

Mn

P

S

Cr

Ni

0.08

1.70

3.00

0.045

0.030

18.00~20.00

6.00~9.00

0.052

0.52

1.80

0.032

0.002

17.01

6.24

0.035

0.60

1.25

0.032

0.002

16.84

7.59

3. Mechanical properties

Distinguish

YS(Mpa)

TS(Mpa)

EI(%)

Hv

JIS datum

155

450

40

200

304j1 retrofit

282

615

55

146

304j1

278

554

56

155

4. Features:

(1) The appearance surface and the previous 304j1 no big difference, and 304 also no big difference;

(2) NI content reduction, deep processing performance must not be compared with the original 304j1.

To sum up, if the user is the purchase of deep materials, then the comparison is not suitable for the choice of 304j1 modified. Other uses, customers can try.





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