K12822
2019-09-11 09:17:37 Origin： Remark：0 Click：
Standard Specification for forged or rolled alloy and stainless steel pipe flanges,forged fittings,and valves and parts for high temperature service K12822 datasheet, K12822 Chemical compositions, K12822 Mechanical property from Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working or rough turned machining. Technical specification - ASTM A182 - 2018.
TECHNICAL DATA SHEET - ASTM A182 Grade F1 & UNS K12822
MATERIAL TECHNICAL STANDARDS: ASTM A182 - 2018
MATERIAL TYPE: 0.7Mn - 0.5Mo Alloy steel
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.28
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.28
Mn (％): 0.60 ~ 0.90
Si (％): 0.15 ~ 0.35
Si (％): 0.15 ~ 0.35
P (％)≤: 0.040
S (％)≤: 0.040
Cr (%): -
Mo (%): 0.44 ~ 0.65
S (％)≤: 0.040
Cr (%): -
Mo (%): 0.44 ~ 0.65
Ni (%): -
Nb (%): -
Ti (%): -
TYPICAL MECHANICAL PROPERTIES
Tensile strength, σb/≥ MPa: 485
Yield strength, σ0.2/MPa: 275
Elongation, δ ≥(％): 20.0
Reduction of area, ф ≥ (％): 30.0
Hardness via heat treatment /HBW: 143 ~ 192
Reduction of area, ф ≥ (％): 30.0
Hardness via heat treatment /HBW: 143 ~ 192
HEAT TREATMENT PRACTICE
Condition: annealed 900 Deg.
Cooling medium: furnace 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): 0.50mm to 650mm
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: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /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): 0.50mm to 650mm
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: T6 - 200mm X W1000- 2500mm X L1000-12000mm
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 inquiry. pleased to EMAIL ( lh.steel@hotmail.com ) our resident team of qualified production engineers.
If you meet further on any technical inquiry. pleased to EMAIL ( lh.steel@hotmail.com ) our resident team of qualified production engineers.
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