Stainless Steel Casting Products

Stainless Steel Casting Products

Impeller Part Stainless Steel Casting Foundry China Product Description and Process Impeller Part Stainless Steel Casting Foundry China Production process: lost wax (silica sol) investment castings Weight range: from 10 grams to 30 kilograms Surface treatment process: passivation treatment...

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Impeller Part Stainless Steel Casting Foundry China

Product Description and Process

Impeller Part Stainless Steel Casting Foundry China

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.


304 Stainless Steel versus 316 Stainless Steel

Corrosion resistance of stainless steel varies by grade

Judging by the name, you might assume that stainless steel never stains—but you’d be wrong.

Stainless steel stains less easily than other iron-based metals, but it’s not literally “stainless”. Just like standard steel, stainless can get marked up by fingerprints and grease, develop discoloration, and eventually rust. The difference is resilience. Stainless steel can withstand much more time and abuse before showing signs of wear.

All steels have the same basic iron and carbon composition, but stainless steel also contains a healthy dose of chromium—the alloy that gives stainless steel its famous corrosion resistance.

And this is where things get complicated. There are multiple grades under the stainless steel umbrella, each with slightly different alloy composition, and therefore slightly different physical characteristics.

Stainless steel must contain at least 10.5 percent chromium. Depending on the grade, it may contain much higher chromium levels, and additional alloying ingredients like molybdenum, nickel, titanium, aluminum, copper, nitrogen, phosphorous and selenium.

The two most common stainless steel grades are 304 and 316. The key difference is the addition of molybdenum, an alloy which drastically enhances corrosion resistance, especially for more saline or chloride-exposed environments. 316 stainless steel contains molybdenum, but 304 doesn’t.

For outdoor furnishings like rails and bollards, stainless steel is an ideal corrosion-resistant material, but it will only withstand long-term exposure if the grade is appropriate for its environment. 304 is an economical and practical choice for most environments, but it doesn’t have the chloride resistance of 316. The slightly higher price point of 316 is well worth it in areas with high chloride exposure, especially the coast and heavily salted roadways. Each application for stainless steel has its own unique demands, and needs a stainless steel that’s up to the task.


Stainless Steel Material Grade Standard Contrast

China
GB

Germany

France
NF

ISO

Japan
JIS

Britain
BS

America

DIN

W-Nr.

ASTM

UNS

Austenitic stainless steel

1Cr18Ni9

X12CrNi18 8

1.4300

Z10CN18.09

-

SUS302

302S25

302

S30200

0Cr19Ni9
(0Cr18Ni9)

X5CrNi18 10

1.4301

Z6CN18.09

11

SUS304

304S15

304
304H

S30400

0Cr17Ni12Mo2

X5CrNiMo1712 2
X5CrNiMo1713 3

1.4401
1.4436

Z6CND17.11
Z6CND17.12

20
20a

SUS316

316S16
316S31

316

S31600

00Cr17Ni14Mo2

X2CrNiMo18 14 3

1.4435

Z2CNDT17.13

19
19a

SUS316L

316S11
316S12

316L

S31603

1Cr18Ni9Ti

X12CrNiTi18 9

1.4878

Z6CNT18.12

X6CrNiTi18 10

SUS321

321S20

321

S32100

0Cr18Ni11Ti
(0Cr18Ni9Ti)

X6CrNiTi18 10

1.4541

Z6CNT18.10

15

SUS321

321S12
321S31

321

S32100

Austenitic -ferrite stainless steel (duplex stainless steel)

0Cr26Ni5Mo2

X8CrNiMo27 5

1.4460

-

-

SUS329J1

-

329

S32900

Martensitic stainless steel

1Cr13

X10Cr13

1.4006

Z12C13

3

SUS410

410S21

410

S41000

2Cr13

X20Cr13

1.4021

Z20C13

4

SUS420J1

420S37

420

S42000

3Cr13

X30Cr13

1.4028

Z30C13

5

SUS420J2

420S45

-

-

4Cr13

X38Cr13

-

Z40C14

-

-

-

-

-

1Cr17Ni2

X20CrNi17 2

1.4057

Z15CN16.02

-

SUS431

431S29

431

S43100

Precipitation-hardening stainless steel (PH stainless steel)

0Cr17Ni4Cu4Nb

X5CrNiCuNb17 14

1.4542

Z6CNU17.04

1

SUS630

-

630

S17400

0Cr17Ni7Al

X7CrNiAl17 7

1.4568

Z8CNA17.07

2

SUS631

-

631

S17700

0Cr15Ni7Mo2A

X7CrNiMoA15 7

1.4532

Z8CNDA17.07

3

SUS632

-

632

S15700


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