2021 wholesale price 304 Stainless Steel Ball - 420/420C stainless steel ball – Kangda

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2021 wholesale price 304 Stainless Steel Ball - 420/420C stainless steel ball – Kangda Detail:

Parameter

Product  details

Product Name:

420 stainless steel ball  /  420C stainless steel bead

Material:

420  /  420C

SIZE:

0.35mm-50mm

Hardness:

420  HRC52-55; 420C HRC54-60;

Production Standard:

ISO3290 2001  GB/T308.1-2013    DIN5401-2002

Chemical composition of 420 stainless steel balls

C

0.28-0.36%

Cr

12.0-14.0%

Si

0.80%Max

Mn

1.0% Max.

P

0.04%Max

S

0.030%Max

Mo

——–

SUS410/SUS420J2/SUS430 stainless steel beads Comparison

SUS410: Martensite represents the steel grade, with high strength and high hardness (magnetic); poor corrosion resistance, not suitable for use in severely corrosive environments; low C content, good workability, and the surface can be hardened by heat treatment.

SUS420J2: Martensite represents the steel grade, with high strength and high hardness (magnetic); poor corrosion resistance, poor processing and formability, and good wear resistance; it can be heat treated to improve mechanical properties. It is widely used for processing knives, nozzles, valves, rulers, and tableware.

SUS430: Low thermal expansion rate, good molding and oxidation resistance. Suitable for heat-resistant appliances, burners, home appliances, class 2 tableware, kitchen sinks. Low price, good workability is an ideal substitute for SUS304; good corrosion resistance, typical non-heat treatment hardenable ferritic stainless steel.

COUNTRY

STANDARD

MATERIAL   NAME

CHINA

GB

1Cr18Ni9

0Cr19Ni 9

0Cr17Ni12Mo2

3Cr13

USA

AISI

302

304

316

420

JAPAN

JIS

SUS302

SUS304

SUS316

SUS420J2

GEMANY

DIN

X12CrNi188

X5CrNi189

X5CrNiMn18

X30Cr13

1.4300

1.4301

10(1.4401)

1.4028

Principle of stainless steel ball:

Stainless steel beads are not rust-proof, but not easy to rust. The principle is that by the addition of chromium, a dense chromium oxide layer is formed on the surface of the steel, which can effectively block the re-contact between the steel and the air, so that the oxygen in the air cannot enter the steel ball, thereby preventing The effect of steel beads rusting.

China National Standards (CNS), Japanese Industrial Standards (JIS) and American Iron and Steel Institute (AISI) use three digits to indicate different stainless steels, which are widely quoted in the industry, of which the 200 series is chromium-nickel-manganese-based austenitic Stainless steel, 300 series is chromium-nickel austenitic stainless steel, 400 series chromium stainless steel (commonly known as stainless iron), including martensite and ferrite.


Product detail pictures:

2021 wholesale price  304 Stainless Steel Ball - 420/420C stainless steel ball – Kangda detail pictures

2021 wholesale price  304 Stainless Steel Ball - 420/420C stainless steel ball – Kangda detail pictures

2021 wholesale price  304 Stainless Steel Ball - 420/420C stainless steel ball – Kangda detail pictures

2021 wholesale price  304 Stainless Steel Ball - 420/420C stainless steel ball – Kangda detail pictures


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