F55 duplex steel
2026-07-28 14:40:00 Origin： Remark：0 Click：
ASTM A182 - 2018 austenitic - ferritic type steel F55 round bar in stock, 1.4501 flat bar heat treated bar, 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
TECHNICAL DATA SHEET - ASTM A182 type F55
Technical standard: ASTM A182 - 2018
Customs HS Code: 72221100 / 72221900
Stocklist & Inventory: round bar 25 ~ 170 mm
Typical chemical compositions (mass weight - %)
Carbon, C (％): ≤ 0.030
Manganese, Mn (％): ≤ 1.00
Silicon, Si (％): ≤ 1.00
Phosphorus, P (％): ≤ 0.030
Sulfur, S (％): ≤ 0.010
Nickel, Ni (%): 6.00 ~ 8.00
Chromium, Cr (%): 24.0 ~ 26.0
Molybdenum, Mo (%): 3.00 ~ 4.00
Nitrogen, N (%): 0.20 ~ 0.30
Copper, Cu (%): 0.50 ~ 1.00
Tungsten, W (%): 0.50 ~ 1.00
MECHANICAL PROPERTY UNDER ROOM TEMP.
Forms: Round bar, flat bar, forgings and plate
Tensile strength, σb / MPa: 750 ~ 900
Yield strength, σ0.2 / MPa: 550
Elongation, δ5 ≥ (％): 25.0
Reduction of area, ф ≥ (％): 45.0
Hardness via heat treatment /HBW: -
HEAT TREATMENT PRACTICE
Condition: solution annealing 1100 ~ 1140 Deg. C (+AT)
Cooling medium: water or oil cooling
Tempering temperature: -
MELTING & AVAILABLE DIMENSIONS
The alloy is usually produced by BEF & BEF + AOD & EAF + VD + LF, 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 & disc (diameter): 6.0 ~ 800 mm
Square bar & flat bar: 10 to 600 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T7 ~ 400 X W20 ~ 1000 X L1000 ~ 3500mm
Forging piece: stepped shafts, and other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
If you meet further on any technical inquiry or help, pleased to E-mail our resident team of qualified production engineers - Email: sales@ccsteels.com.
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