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  • AISI A128 grade A/ Mat.No. 1.3401/ DIN X120Mn12
  • AISI A128 grade A/ Mat.No. 1.3401/ DIN X120Mn12

AISI A128 grade A/ Mat.No. 1.3401/ DIN X120Mn12

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Specification, Chemical & Mechanical Performance

We can produce 1.3401, DIN X120Mn12, AISI A128 grade A stainless steel round rods, 1.3401, DIN X120Mn12, AISI A128 grade A forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With Bozhong production experience, strict control 1.3401, DIN X120Mn12, AISI A128 grade A chemical composition and 1.3401, DIN X120Mn12, AISI A128 grade A mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

 

Production specification

Round bar steel: 1mm to 3500mm

Square-shape steel: 1mm to 4000mm

Plate steel:0.1mm to 4000mm

Width: 10mm to 2500mm

Lenth: We can supply any lenth based on the customer's requirement.

Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.

Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement

Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement

Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode. 

Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price. 

We serve you with our honesty, integrity, and professionality.

 

Designation by Standards

Brand Name

Ravne No.

Mat. No.

DIN

EN

AISI

12MN

901

1.3401

X120Mn12

-

A128 grade A

 

Chemical Composition (in weight %)

C

Si

Mn

Cr

Mo

Ni

V

W

Others

1.20

0.40

12.50

max. 1.50

-

-

-

-

-

 

Description
Austenitic Mn-steel. The well-known Hadfield steel still has broad applications in the mineral processing industry. Especially under impact loading Hadfield steel displays good wear resistance due to its high cold work ability. However, Hadfield steel is not corrosion resistant. 

 

Applications

Components for dredgers and crushers, conveying machines: crushings jaws, impact wedges, linings, etc.

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 190-210 
Density [g/cm3]: 7.88

 

Hardening
Harden from a temperature of 1000-1050oC followed by water quenching. Hardness after quenching is about 200 HB.

Mechnical properties at ambient temperature:
0.2 % proof stress (N/mm2): 350
Tensile strength (N/mm2): 800-1000

 

Forging
Hot forming temperature: 1050-850o

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