446-1 Ferritic Steel
2026-11-05 08:17:53 Origin： Remark：0 Click：
ASTM A511/511M - 12 Standard specification for seamless stainless steel mechanical tubing ferritic steel 446-1 round bar, flat bar, plate, forgings, cold machined
TECHNICAL DATA SHEET - MT 446-1
Material specifications: ASTM A511 / 511M - 12
Material category: ferritic type 12.0Cr - 1.1Cu - 0.15C iron base steel
Official test certificate: issued by TUV - SGS - CNAS
Stock available: round bar, flat bar, plate, hollow bar
PRODUCT DESCRIPTION
Steel 446 is usually produced by EAF / AOD followed by electro-slag refining (ESR) / 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' requirements.
Bars are usually supplied in the annealed, peeled condition.
Material category: ferritic type 12.0Cr - 1.1Cu - 0.15C iron base steel
Official test certificate: issued by TUV - SGS - CNAS
Stock available: round bar, flat bar, plate, hollow bar
PRODUCT DESCRIPTION
Steel 446 is usually produced by EAF / AOD followed by electro-slag refining (ESR) / 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' requirements.
Bars are usually supplied in the annealed, peeled condition.
PROFILES AND DIMENSIONS
Round bar, rod, disc (diameter): 6.0 ~ 950 mm
Square bar, flat bar: 10 ~ 600 mm
Length: random length or based on the customer's special requirement.
Heavy, middle plate via hot rolled / forged: T3.0 ~ 400 X W20 ~ 1200 X L mm
Sheet steel via cold rolled: T 0.5 ~ 3 X W15 ~ 1000 X L mm
Steel strip via cold rolled: T 0.3 ~ 3.0 X W20 ~ 300 X L mm (or in coil form)
Forging piece: stepped shafts, other different shapes based on OEM.
Carbon, C : ≤ 0.20
Manganese, Mn : ≤ 1.50
Phosphorus, P : ≤ 0.040
Sulfur, S : ≤ 0.030
Silicon, Si : ≤ 1.00
Nickel, Ni : ≤ 0.50
Chromium, Cr : 23.0 ~ 30.0
Molybdenum, (％): -
Aluminum, (%): -
Copper, Cu : -
Nitrogen, N : ≤ 0.25
Ferrum, Fe : balance.
TYPICAL MECHANICAL PROPERTIES
Heat treatment practice:
Annealing 850 ~ 920 degree centigrade, air cooling or slow cooling
Tempering -
Tensile strength, Rm ≥ MPa: 450
Yield strength, Rp0.2 ≥ MPa: 275
Yield strength, Rp0.2 ≥ MPa: 275
Elongation, A5 ≥ (％): 20.0
Reduction of area, Z ≥ (％): 40.0
Hardness via heat treatment, HBW: ≤ 219
Reduction of area, Z ≥ (％): 40.0
Hardness via heat treatment, HBW: ≤ 219
TECHNICAL SALES ASSISTANCE & SERVICE
20+ years focus on special steel manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
20+ years focus on special steel manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
We closely cooperate with the professional inspection partners to strictly control the quality and improve the quality manage system, and guarantee the goods delivery each time. It is proved that we are worth of trusting and will be the strategic partner of the supplying chains in the special steels field.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
CNC saw cutting.
Marking by stamping or printing.
Third party inspection service.
Marking by stamping or printing.
Third party inspection service.
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