Z12CNDV12-03/KT5312AS6 Forged Bar

Product parameters

Smelt type: 选择
Spec.: AFNOR 、
Dimensions: OD:Φ200mm
Delivery condition: Forged 、
Surface: Peeled 、
Stock condition:

Stock list

Grade	Dim._mm	Weight_kg

Product details

Z12CNDV12-03 : NF A 35-578 chemical composition

C	Si	Mn	P	S	Cr	Mo	Ni	V	N
0.08 - 0.15	≤ 0.35	0.50 - 0.90	≤ 0.035	≤ 0.015	11.00 - 12.50	2.00 - 3.00	1.50 - 2.00	0.25 - 0.40	0.020 - 0.040

Z12CNDV12-03 : NF A 35-578 Mechanical Property

Heat Treatment	Min	Max	Similar	Note

Heat Treatment	Min	Max	Similar	Note

Heat Treatment	Min	Max	Similar	Note

Heat Treatment	Min	Max	Similar	Note

Heat Treatment	Min	Max	Similar	Note

Heat Treatment	Type	Min	Max	Similar	Note

Z 12 CNDV 12-03 is a new type of martensitic stainless steel for the last-stage blades of large-capacity nuclear and thermal power turbines. The deformation behavior of this steel was studied by thermal compression experiments that performed on a Gleeble-3500 thermal simulator at a temperature range of 850°C to 1200°C and a strain rate of 0.01s-1 to 20s-1. When the deformation was performed at high temperature and low strain rate, a necklace type of microstructures was observed, the plastic deformation mechanism is grain boundary slip and migration, when at low temperature and lower strain rate, the slip bands were observed, the mechanism is intracrystalline slips, and when at strain rate of 20s-1, twins were observed, the mechanism are slips and twins. The Arrhenius equation was applied to describe the constitutive equation of the flow stress. The accuracy of the equation was verified by using the experimental data and the correlation coefficient R2 = 0.9786, and the equation can provide reasonable data for the design and numerical simulation of the Z12CNDV12-03 forging process.

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Z12CNDV12-03/KT5312AS6 Forged Bar