S20C-B/S45C-B Steel Round Bar

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
100000 m.t./month

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Item specifice:

Standard: AISI,JIS,GB,BS,DIN,API,EN,ASTM Technique: Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring Shape: U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment: Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated Steel Grade: Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B) Certification: ISO,SGS,CE
Thickness: as required Length: as required Net Weight: as required

Product Description:

Specifications

1. 2080 
1. cold work mould/die steel 
2. High carbon high chromium type ledeburite 
3. High hardness wear resistance

Product description

1. Cr12 steel is a widely used cold work die steel, a type of high carbon high chromium ledeburite . The steel has good hardenability and good abrasion resistance

2. Mainly used to with stand the impact load is smaller, and require high abrasion resistance Die and punch, cold-cut scissors, drill sets, gauges, drawing die, pressure die thread rolling board, drawing die thread rolling die.


Chemical composition(for reference only)

1.2080 Cold work die steel round bar


Delivery of hardness and quenching hardness

Steel name

Delivery status

Quenched specimens

Hardness HBW

Impressiondiameter (mm)

Quenching temperature/°C

Cooling medium

hardness ≥HRC

Cr12

269~217

3.7~4.1

950~1000

oil

60


Physical properties

Cr12 critical temperature

Critical point

Ac1

Acm

Ar1

Arcm

Ms

temperature(approximation)/°C

810

835

755

770

180


Cr12 Hot Working Technology

Item

Heating temperature/°C

start forging temperature/°C

final forging temperature/°C

type of cooling

Steel ingot

1140~1160

1100~1120

900~920

Slow cooling

Steel billet

1120~1140

1080~1100

880~920

Slow cooling


Cr12  heat treatment

between the quenching temperature and the hardness of the  relationship

quenching temperature/°C

875

900

925

950

975

1000

1050

1100

Hardness HRC

54.5

57

60

62.5

65

66

64

59.5


Delivery status: steel delivered in the annealed condition

We are professional manufacture of tool steel. We can provide various kinds of tool steel and mould steel. If you have any question regarding our products ,please feel free to let us know. We assure you will receive our best attention to your enquiry.


Products

S20C-B/S45C-B Steel Round BarS20C-B/S45C-B Steel Round Bar

S20C-B/S45C-B Steel Round BarS20C-B/S45C-B Steel Round Bar


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