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Quick Details

  • Grade: 400 Series
  • Standard: ASTM, AISI, DIN, EN, GB, JIS
  • Length: 2500mm or on request
  • Thickness: 0.3mm ~
  • Width: 1250mm, customized
  • Place of Origin: China (Mainland)
  • Brand Name: Changjiang
  • Model Number: 410, 420, 440C, 440B, 440A
  • Type: Plate
  • Application: knives, food blades, scissors, mechanical parts...
  • Certification: ROHS

Packaging & Delivery

Packaging Details in iron steel pallets.
Delivery Time within 25 working days

AISI 410

It is the kind of wider utilization of this series, available in products of any shape.

It is equally economical of the foregoing type which has the same possibility to heat treatment with the same mechanical properties and corrosion resistance. Among the many specific uses include: pump shafts, bushings, bolts, hoppers, cutlery,

tools, machinery for mining, screws, valves, parts for jet engines.

 

AISI 420

It is the prototype of martensitic stainless steels. It began to use it for cutlery and even today this is its main purpose as the

type AISI 410 is preferred for its greater ability to cut and seal the wire, due to a carbon content approximately double.

It is used in the conditions of hardened and stretched at 200-300°C; in this state it can easily exceed 50 HRC with breaking

loads of about 160 kg / mm2, and still an elongation of 10%, with properties of corrosion resistance equal to those dell’AISl 410

in the same conditions of treatment. Other typical uses are surgical instruments, valves, special highly resistant to wear, tools, cutting blades, forms for glass.

 

AISI 440A

The high C content gives this type, after hardening and tempering of detente, an exceptional hardness (55 HRC), a breaking

load of 180 kg / mm2 with an elongation of 5%. As for the type AISI 420, it is advisable to avoid tempering treatments above 250°C. The highest percentage of Cr (17%) is added to compensate for the loss of this element in the matrix during the formation of carbides. For this type of steel exists the class B and C that contain a C content higher and higher, while Class F contains a percentage of sulfur which increases workability to machine tools. The high hardness conferred by the martensitic matrix and carbides make it particularly suitable in cases where you require high resistance to wear, valves, cutlery, surgical instruments.

 

Contact Paul, export at ahoneststeel dot com, skype: paul_luhongxiang, whatsapp: 0086 151 9025 7143

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