X50MnCrWN18-4
2015-05-22 09:51:44 Origin： Remark：0 Click：
DIN SEW 390 Specification X50MnCrWN18-4 Ring forge, Round bar, Flat bar - steelmaking, ESR, Hot blooming, Hot forging / rolling, Heat treatment
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL DATASHEET - X50MnCrWN18-4
MATERIAL CATEGORY: Nonmagnetic forged ring for steam turbine generator
MATERIAL SPECIFICATIONS: DIN SEW 390 (1991) / JB/T 1268 -93
CHEMICAL COMPOSITION ( mass weight - % )
Carbon, C (％): 0.40 ~ 0.60
Silicon, Si (％): 0.30 ~ 0.80
Manganese, Mn (％): 17.0 ~ 19.0
Phosphorus, P (％) ≤: 0.060
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 3.50 ~ 6.00
Silicon, Si (％): 0.30 ~ 0.80
Manganese, Mn (％): 17.0 ~ 19.0
Phosphorus, P (％) ≤: 0.060
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 3.50 ~ 6.00
Nickel, Ni (％): -
Molybdenum, Mo (％): -
Vanadium, V (%): -
Tungsten, W (%): 0.70 ~ 1.20
Aluminum, Al (%): -
Nitrogen, N (％): ≥ 0.08
Nitrogen, N (％): ≥ 0.08
HOT WORKING, HEAT TREATMENT AND MECHANICAL PROPERTIES
Grade one
Tensile strength, Rm ≥ MPa: 895
Yield strength, Rp0.2 ≥ MPa: 760
Elongation, A5 ≥ (％): 25.0
Yield strength, Rp0.2 ≥ MPa: 760
Elongation, A5 ≥ (％): 25.0
Reduction of area, Z ≥ (％): 35.0
Impact, Akv ≥/J: -
Impact, Akv ≥/J: -
Grade two
TS, σb ≥ MPa: 965
YS, σ0.2 ≥ MPa: 825
EL, δ ≥ (％): 20.0
YS, σ0.2 ≥ MPa: 825
EL, δ ≥ (％): 20.0
Impact, Akv ≥ J: -
Grade three
TS, σb ≥ MPa: 1035
YS, σ0.2 ≥ MPa: 900
EL δ ≥ (％): 20.0
YS, σ0.2 ≥ MPa: 900
EL δ ≥ (％): 20.0
RA, ψ ≥ (％): 30.0
Impact, Akv ≥ J: -
Impact, Akv ≥ J: -
TYPICAL APPLICATIONS
High-voltage electrical apparatus, bolts and nuts
Transformer tank, Generator or parts, Preparation equipments
Electronics.
PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VD / BEF 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 - solution treatment + ageing
The alloy is usually produced by AOD / VD / BEF 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 - solution treatment + ageing
PRODUCT PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 - 400mm X W100 - 1200mm X L1000 - 4000mm
Sheet steel via cold rolled: T0.5 - 6mm X W100 - 1000mm X L1000 - 2000mm
Forging piece: stepped shafts, other different shapes based on OEM.
Sheet steel via cold rolled: T0.5 - 6mm X W100 - 1000mm X L1000 - 2000mm
Forging piece: stepped shafts, other different shapes based on OEM.
HEAT TREATMENT PRACTICE
Heat treatment is only suitable for specific grades of stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades. We are delighted to help to work with you the special heat treatment based on your special requirements.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. - Email: sales@ccsteels.com
Heat treatment is only suitable for specific grades of stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades. We are delighted to help to work with you the special heat treatment based on your special requirements.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. - Email: sales@ccsteels.com
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