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Type 410Cb Martensitic Chromium-Niobium Steels

Product parameters
Material Category:: Martensitic Stainless Steel
Material Technical Standards:: ASTM A276, ASTM A580
Place of Origin: P. R. China
Product Shapes:: Round bar, Flat bar, Hollow bar, Plate, and Forgings.
Customs HS code:: 72221100
Ultrasonic Test Standard:: / GB/T 4162 / EN 10228-3 / EN 10308.
Production Lead Time:: Within 55 days after 40% downpayment.
Unified Social Credit Code:: 91510871777942750J
Company ISO Register No:: UQ211218R0
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Description
The alloy is usually produced 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.
100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
Bars are usually supplied black/bright in the annealed condition.
Main Chemical Composition (mass weight %)
C (%) ≤ 0.15
Si(%) ≤ 1.00
Mn(%) ≤ 1.00
P(%) ≤ 0.040
S (%) ≤ 0.030
Cr (%) 11.5 ~ 13.0
Ni (%) -
Mo(%) -
Other (%) Nb 0.05 ~ 0.30
Mechanical Properties At Room Temperature.
Condition of heat treatment -
Tensile Rm (MPa) 485
Yield Rp0.2 (MPa) 275
Elongation A (%) 13
Reduction in cross section on fracture Z (%) 45
Impact AKV/AKU (J) -
Brinell Hardness (HBW) -
 
Product Shapes and dimensions:
Round bar (Diameter): 5.50 ~ 650mm
Square bar / Flat bar: 3 ~ 650mm
Wire rod (Diameter): 0.10 ~ 16mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 650mm X L (or in coil form)
Forging piece: Different shapes based on OEM

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