Good Quality Food Grade 304 Stainless Steel Beads For Sobering - 420/420C stainless steel ball – Kangda

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Good Quality Food Grade 304 Stainless Steel Beads For Sobering - 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
GEMANY	DIN	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.

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To become the stage of realizing dreams of our employees! To build a happier, more united and extra professional workforce! To reach a mutual advantage of our prospects, suppliers, the society and ourselves for Good Quality Food Grade 304 Stainless Steel Beads For Sobering - 420/420C stainless steel ball – Kangda , The product will supply to all over the world, such as: Ethiopia, Philippines, Lebanon, Our product quality is one of the major concerns and has been produced to meet the customer's standards. "Customer services and relationship" is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.

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