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1.Ring-die Manufacture from China Scheme--Forged rings

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Inspection Instrument: Ultrasonic Flaw Detector:RFD8000

Material: X46Cr13(4Cr13/INOX) / SAE-8620(20CrNiMo) / 20CrMnTi(20MnCr5) (for ring-die);

SAE-4140 / 20CrMnTi (20MnCr5)/ 40Cr / SAE-1045 (for Roller shell)

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Item Name: Forged Ring      

[Technical Specification]

DIN Standard

X46Cr13(INOX)

20CrNiMo& 20CrMnTi and 42CrMo

Other Grade

AISI 420

AISI8620  and AISI4140

Material Type

Stainless Steel

Alloy Steel

Hardness

2x soft annealed max. 207HB

annealed to 170-210 HB

Material Allowance

+5. mm (OD, H) radius / -5.0 mm (ID) radius

Surface Finished

Machined(rough turned with material allowance)

US Test / Inspection

SEP 1921 PG3, D, d (12/84) / EN 10204/3.1 (CA, BHN, US)

Grain Size

(ASTM E112):6-8 ASTM

[CHEMICAL COMPOSITION]

DIN

X46Cr13

AISI 8620

AISI 4140

20CrMnTi

Werkstoff No.:

1.4034

1.6523

1.7225

C%

0.42 - 0.50

0.18 - 0.23

0.38 - 0.43

0.17-0.23

Mn%

<1.00

0.70 - 0.90

0.75 - 1.00

0.80-1.10

P%

<0.040

0.040

0.035

<0.035

S%

<0.030

0.040

0.035

<0.035

Si%

<1.00

0.20 - 0.35

0.20 - 0.35

0.17-0.37

Ni%

0.31-1

0.40 - 0.70


<0.30

Cr%

12.5 - 14.5

0.40 - 0.60

0.80 - 1.10

1.00-1.30

Mo%


0.15 - 0.25

0.15 - 0.25

<0.25

Ti%




0.04-0.10

[SUPPLIED DOCUMENTS]

Chemical Analysis Certificate / Ultrasonic Test Certificate / Mechanical Properties Certificate / Hardness Certificate / Grain Size Certificate / Charge Identification ( Order x Item )

NOTES: FORGINGS SHALL NOT BE WELDED OR REPAIRED.

About the working videos, please refer to https://www.youtube.com/dashboard?o=U & https://www.facebook.com/Forged-ring-228723964176244


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