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Chromoloy Cr-Mo Type Steel

Product parameters
Place of Origin: P. R. China
Melting Process Route:: EAF + LF + VD / + ESR, BEF + ESR, VIM + ESR, VIM + VAR
Min. order quantity Per Batch:: 1300 KG
Surface Condition:: Peeled - Rough turned - Shot blasted - Bright surface.
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, wooden Pallet / tray with free from fumigation.
Production Lead Time:: Within 55 days after 30% downpayment.
Company ISO Register No:: UQ211218R0

Chromoly steel is a type of low alloy steel that gets its name from a combination of the words “chromium” and “molybdenum” – two of the major alloying elements. Chromoly steel is often used when more strength is required than that of mild carbon steel,

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 (%) ≤ 0.20, Si(%) ≤ 0.75Mn(%) ≤ 0.50,
P(%) ≤ 0.030,  S (%) ≤ 0.030
Cr (%) 1.00 , Ni (%) 1.00 , Mo(%)
Other (%) V 0.10, Fe: remainder

Mechanical Properties Under Room Temperature.
Condition of heat treatment annealing
Tensile Rm (MPa) -
Yield Rp0.2 (MPa) -
Elongation A (%) -
Reduction in cross section on fracture Z (%) -
Impact AKV/AKU (J) -
Brinell Hardness (HBW) -
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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