Z50CMNNb21-09-02Az
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Material technical specifications of NF 10090 valve steel Grade Z50CMNNb21-09-02Az data sheet, Z50CMNNb21-09-02Az Chemical compositions,Z50CMNNb21-09-02Az mechanical properties from Steelmaking, ESR melting, Z50CMNNb21-09-02Az Hot blooming, UT, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working or Machined. Technical specifications - NF EN 10090 - 1998. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
TECHNICAL DATASHEET - NF X50CrMnNiNbN21-9 & Z50CMNNb21-09-02Az
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: Valve Steel
Technical standards: NF EN 10090 - 1998
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.45 ~ 0.55
Si (％): ≤ 0.45
Mn (％): 8.00 ~ 10.0
P (％)≤: 0.040
S (％)≤: 0.030
Cr (％): 20.0 ~ 22.0
P (％)≤: 0.040
S (％)≤: 0.030
Cr (％): 20.0 ~ 22.0
Ni (％): 3.50 ~ 5.50
Mo (%): -
W (%): 0.80 ~ 1.50
Nb (%): 1.80 ~ 2.50
N (%): 0.40 ~ 0.60
MECHANICAL PROPERTIES
Annealed temperature /℃: -
Quenched temperature /℃: 1160 ~ 1200, water
Tempered temperature /℃: 760 ~ 810
Tensile strength,σb/≥ MPa: 950 ~ 1150
Yield strength, σ0.2/≥ MPa: 580
Elongation, δ ≥(％): 12.0
Yield strength, σ0.2/≥ MPa: 580
Elongation, δ ≥(％): 12.0
Reduction of area, (%): 15.0
PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VOD /VIM followed by electroslag refining (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the annealed condition.
Final heat treatment - Quenched and tempered thermal treatment
PRODUCT PROFILE
The alloy is usually produced by AOD / VOD /VIM followed by electroslag refining (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the annealed condition.
Final heat treatment - Quenched and tempered thermal treatment
PRODUCT PROFILE
Round bar (Diameter): 0.50 to 600mm
Square bar / Flat bar: T3.0 to 500mm X W3.0 ~ 1200mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T3.0 - 200mm X W1000- 2500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 3mm X W600- 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.10 - 3mm X W5.0 - 600mm X L (or in coil form)
Square bar / Flat bar: T3.0 to 500mm X W3.0 ~ 1200mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T3.0 - 200mm X W1000- 2500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 3mm X W600- 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.10 - 3mm X W5.0 - 600mm X L (or in coil form)
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, you can do as follows:
EMAIL our qualified production engineers, E-mail: lh.steel@hotmail.com
Reach to our sales department directly: sales@ccsteels.com
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