K21590
2019-08-26 15:10:55 Origin： Remark：0 Click：
Stocklist K21590 Datasheet, Inventory K21590 Chemical, Specifications K21590 Properties from Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working or rough turned machining. Technical specification - ASTM A387 - 2017.
TECHNICAL DATA SHEET - Grade K21590
MATERIAL TECHNICAL STANDARDS: ASTM A387 - 2017
INVENTORY & STOCKLIST - Plate THK 4 ~ 25mm X width 1000 ~ 2000mm X Lmm
HS Code For Customs - 72254099
MATERIAL TYPE: Alloy steel
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.05 ~ 0.15
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.05 ~ 0.15
Mn (％): 0.30 ~ 0.60
Si (％): ≤ 0.50
Si (％): ≤ 0.50
P (％)≤: 0.025
S (％)≤: 0.025
Cr (%): 2.00 ~ 2.50
Mo (%): 0.90 ~ 1.10
S (％)≤: 0.025
Cr (%): 2.00 ~ 2.50
Mo (%): 0.90 ~ 1.10
Ni (%): -
V (%): -
Nb (%): -
Cu (%): -
B (%): -
W (%): -
Al (%): -
Ti (%): -
TYPICAL MECHANICAL PROPERTIES
Tensile strength, σb/≥ MPa: 415 ~ 585
Yield strength, σ0.2/MPa: 205
Elongation, δ ≥(％): 18.0
Reduction of area, ф ≥ (％): -
Hardness via heat treatment /HBW: 255 MAX.
Reduction of area, ф ≥ (％): -
Hardness via heat treatment /HBW: 255 MAX.
PRODUCT DESCRIPTION
The alloy is usually produced by BEF /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 / Wire rod (Diameter): 5.5mm to 600mm
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 W100 - 2000mm 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 /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 / Wire rod (Diameter): 5.5mm to 600mm
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 W100 - 2000mm 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 enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
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