K22770
2017-08-31 09:39:15 Origin： Remark：0 Click：
Desscription K22770 Suppliers, Flat bass K22770 Inventory, Wire rod K22770 Forgings Properties from Steelmaking, ESR melted, Blooming, Hot forging & rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working or rough turned machining. All of these materials conform to Military standard, nuclear power. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
TECHNICAL SPECIFICATIONS - Grade K22770
MATERIAL FORM: Plate, Sheet, Strip
TECHNIQUE AND QUALITY: low alloy, heat resisting, annealing
MELTING PROCESS - Consumable electrode remelted steel
H S CODE For Customs - 7228 4000 / 7228 5000 / 7228 6000
H S CODE For Customs - 7228 4000 / 7228 5000 / 7228 6000
Official Test Certificate Report: issued by TUV - SGS - BV
CHEMICAL COMPOSITION (Mass weight - %)
C (％): 0.25 ~ 0.30
CHEMICAL COMPOSITION (Mass weight - %)
C (％): 0.25 ~ 0.30
Si: (%): 0.50 ~ 0.80
Mn (%): 0.60 ~ 0.90
P (％)≤: 0.025
S (％)≤: 0.025
Cr (％): 1.10 ~ 1.40
Ni (％): ≤ 0.50
S (％)≤: 0.025
Cr (％): 1.10 ~ 1.40
Ni (％): ≤ 0.50
Mo (％): 0.45 ~ 0.70
V (%): 0.70 ~ 1.00
TYPICAL MECHANICAL PROPERTY UNDER ROOM TEMP.
Tensile strength σb≥/MPa: 735
Yield strength σs≥/MPa: 590
Elongation δ5≥(%): 15.0
Yield strength σs≥/MPa: 590
Elongation δ5≥(%): 15.0
Impact, AKV≥/J: -
Annealed hardness HB: 241 min.
Annealed hardness HB: 241 min.
PRODUCT DESCRIPTION
The alloy is usually produced by VM & CVM followed by electroslag refining (ESR), Vacuum Arc Melting (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' specific requirements.
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 10mm to 400mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 - 300mm X W10 - 1200mm X L1000 - 5000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
The alloy is usually produced by VM & CVM followed by electroslag refining (ESR), Vacuum Arc Melting (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' specific requirements.
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 10mm to 400mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 - 300mm X W10 - 1200mm X L1000 - 5000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, E-mail: sales@ccsteels.com
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, E-mail: sales@ccsteels.com
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