ASTM A387 type 22L
2019-08-30 09:10:59 Origin： Remark：0 Click：
Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum steel ASTM A387 Grade 22L datasheet, ASTM A387 Grade 22L Chemical compositions, ASTM A387 Grade 22L 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 A387 - 2017.
MATERIAL TECHNICAL STANDARDS: ASTM A387 - 2017
MATERIAL TYPE: Alloy steel
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.10
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.10
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): 0.50mm to 600mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
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): 0.50mm to 600mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
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