K90901
2019-09-30 11:26:02 Origin： Remark：0 Click：
K90901 Round bar, flat bar and forgings Made from Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Cold machined. Technical specification - ASTM A182 - 2018.
TECHNICAL DATA SHEET - UNS K90901
MATERIAL TECHNICAL STANDARDS: ASTM A182 - 2018
MATERIAL TYPE: 8.0Cr - 1Mo - 0.20V Alloy steel
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.08 ~ 0.12
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.08 ~ 0.12
Mn (％): 0.30 ~ 0.60
Si (％): 0.20 ~ 0.50
Si (％): 0.20 ~ 0.50
P (％)≤: 0.020
S (％)≤: 0.010
Cr (%): 8.00 ~ 9.50
Mo (%): 0.85 ~ 1.05
S (％)≤: 0.010
Cr (%): 8.00 ~ 9.50
Mo (%): 0.85 ~ 1.05
Ni (%): ≤ 0.40
Nb (%): 0.05 ~ 0.11
Ti (%): ≤ 0.01
N (%): 0.035 ~ 0.07
V (%): 0.16 ~ 0.27
Cu (%): ≤ 0.10
TYPICAL MECHANICAL PROPERTIES
Tensile strength, σb/≥ MPa: 620
Yield strength, σ0.2/MPa: 415
Elongation, δ ≥(％): 20.0
Reduction of area, ф ≥ (％): 40.0
Hardness via heat treatment /HBW: 190 ~ 248
Reduction of area, ф ≥ (％): 40.0
Hardness via heat treatment /HBW: 190 ~ 248
HEAT TREATMENT PRACTICE
Condition: Solution annealed 1040 ~ 1080 Deg. C
Cooling medium: air cool
PRODUCT DESCRIPTION
The alloy is usually produced by BEF / BEF + AOD / EAF, followed by electroslag refining (ESR or 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 650mm
Square bar / Flat bar: 10mm to 600mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 ~ 400mm X W200 ~ 1000mm X L1000 ~ 3000mm
Forging piece: stepped shafts, other different shapes based on OEM.
The alloy is usually produced by BEF / BEF + AOD / EAF, followed by electroslag refining (ESR or 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 650mm
Square bar / Flat bar: 10mm to 600mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 ~ 400mm X W200 ~ 1000mm X L1000 ~ 3000mm
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical inquiry. pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
If you meet further on any technical inquiry. pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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