K11757
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ASTM A387 specification K11757 peeled round bar, flat bar, plate, Properties from Steelmaking, ESR melted, hot blooming, forging, rolling, heat treated
TECHNICAL DATA SHEET - K11757
Material specification: ASTM A387 - 2017
Material category: alloy structural steel
Typical chemical elements (mass weight %)
Carbon, C (％): 0.05 ~ 0.17
Typical chemical elements (mass weight %)
Carbon, C (％): 0.05 ~ 0.17
Manganese, Mn (％): 0.40 ~ 0.65
Silicon, Si (％): 0.15 ~ 0.40
Silicon, Si (％): 0.15 ~ 0.40
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.025
Chromium, Cr (%): 0.80 ~ 1.15
Molybdenum, Mo (%): 0.45 ~ 0.60
Sulfur, S (％): ≤ 0.025
Chromium, Cr (%): 0.80 ~ 1.15
Molybdenum, Mo (%): 0.45 ~ 0.60
Nickel, Ni (%): ≤ 0.25
Ferrum, Fe (%): balance
TYPICAL MECHANICAL PROPERTIES
Tensile strength, Rm ≥ MPa: 380 ~ 550
Yield strength, Rp0.2 / MPa: 230
Elongation, A5 ≥ (％): 18.0
Reduction of area, Z ≥ (％): -
Hardness via heat treatment /HBW: 255 MAX.
Reduction of area, Z ≥ (％): -
Hardness via heat treatment /HBW: 255 MAX.
PRODUCT DESCRIPTION
The alloy is usually produced by EF / EAF + VD followed by electroslag refining (ESR) 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 / rod / disc (diameter): 6.0 to 900 mm
Square bar / Flat bar: 8 to 600 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 ~ 200 X W10 ~ 1500 X L1000 ~ 12000 mm
Forging piece: stepped shafts, and other different shapes based on OEM.
The alloy is usually produced by EF / EAF + VD followed by electroslag refining (ESR) 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 / rod / disc (diameter): 6.0 to 900 mm
Square bar / Flat bar: 8 to 600 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 ~ 200 X W10 ~ 1500 X L1000 ~ 12000 mm
Forging piece: stepped shafts, and 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, Email: sales@ccsteels.com.
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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