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AISI 422 Stock 1.4935 Machining Alloy 616 Forgings

AISI 422, A Martensitic Stainless Steel also known as DIN 1.4935, JIS SUH616, ASTM B4B, S42200,,, Equivalent standards are similar to one or more standards provided by the supplier.
Product parameters
Material Category:: Turbine Blade Steel Martensitic type
Material Technical Standards:: ASTM A565, AMS 5655
Stocklist & Inventory Available:: Diameter 20 ~ 200mm
Melting Process Route:: EAF + VD + LF / BEF + ESR / VAR
Product Shapes:: Round bars, flat bars, ring, valve body
Ultrasonic Test Standard:: ASTM E2375 / MIL-STD- AMS 2154 / SEP 1923 / GB/T 4162 / EN 10228-3 / EN 10308
Standard Export Packing Way:: Wooden box, pallet / tray free from fumigation
Production Lead Time:: Within 35 days after 30% deposit prepayable
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Description

Grade AISI 422 is usually taken a special steelmaking technique by BEF & AOD followed by electroslag remelting (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.

Major applications and features for this type of grade
Engine components.
High strength and boat propeller shafts.
Plastic moulding dies
Corrosion resistant & Heat resistant quality & Polishing performance

Chemical compositions (Mass weight - %) - Grade AISI 422
C (%):  0.20 ~ 0.25, Si (%): ≤ 0.50, Mn (%): 0.50 ~ 1.00, P (%)≤: 0.030, S (%)≤: 0.025
Cr (%): 11.0 ~ 13.5, Ni (%): 0.50 ~ 1.00, Mo (%): 0.90 ~ 1.25, W (%): 0.90 ~ 1.25
V (%): 0.20 ~ 0.30, Cu (%): ≤ 0.50, Fe (%): balance

Mechanical properties under room temperature
Conditon of delivery: annealed
Tensile strength, σb ≥/MPa:   -
Yield strength, σ0.2 ≥/MPa:-
Elongation, δ ≥(%):   -
Reduction of area, ф ≥(%):   -
Hardness | HRS: ≤ 248
Condition of delivery: + T 
Tensile strength, σb ≥/MPa:   -
Yield strength, σ0.2 ≥/MPa:-
Elongation, δ ≥(%):   -
Reduction of area, ф ≥(%):   -
Hardness | HRS:  ≤285
Condition of heat treatment: HT 1022℃ ~ 1050℃ air or oil cooled, ≥620℃ X 2H, tempered
Tensile strength,σb ≥/MPa:  965
Yield strength, σ0.2 ≥/MPa: 760
Elongation,δ ≥(%): 13.0
Reduction of area, ф ≥(%): 30.0
Hardness | HRS:  302 ~ 352
Condition of heat treatment: H 1022℃ ~ 1050℃ air or oil cooled, ≥677℃ X 2H, tempered
Tensile strength,σb ≥/MPa:  825
Yield strength, σ0.2 ≥/MPa: 585
Elongation,δ ≥(%):  15.0
Reduction of area, ф ≥(%): 35
Hardness | HRS:  241 ~ 285

Shapes and dimensions available
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.

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