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Quality - BS EN 9120:2005, / ISO 9001:2008

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Part Number

WS 1.7139

Low Alloy Steel, Case Hardening Steel, Chrome Alloy Steel, Alloy Steel

Chemical Composition Limits
Weight %  C Cr Mn Si P S Fe

EC-80

 0.14-0.19  0.80-1.15 1.00-1.30 0.15-0.40 0.035 max 0.020-0.035 Rem 

Other Chemically similar Specifications 

Weight %  C Cr Mn Si P S Fe
WS 1.7139 0.14-0.19   0.80-1.10 1.00-1.30 0.40 max 0.035 max 0.020-0.040 Rem 
16MnCrS5 0.14-0.19   0.80-1.10 1.00-1.30 0.40 max 0.035 max 0.020-0.040 Rem 
AISI 5115 0.14-0.19   0.80-1.15 1.00-1.30 0.15-0.40 0.035 max 0.020-0.035 Rem 
16 MC4 0.14-0.19   0.80-1.15 1.00-1.30 0.15-0.40 0.035 max 0.020-0.035 Rem 

Our EC-80 is Manufactured in Rod, Bar and coil

WS 1.7139 / AISI 5115 Case Hardening Steel

 

Standard Stock size

From 1 to 20mm, in steps sometimes 0.1 to 0.5

 

Diameter

Ø < 2.99 mm : high precision cold drawn and polished

Ø > 3.00mm: cold drawn, ground and polished, roughness N5-N6

 

Delivery form

In bars for automatic lathes of 3m (2m) lengths or in coils for ESCOMATIC machines

 

Tolerances

Standard ISO) h8, other close tolerance sizes available on request.

 

Tensile strength (Rm)

Standard 490-680 N/mm2

 

Heat Treatment

Case hardening, superficial hardening and heart hardening possible.

Hardening Temperature (heart): 850-880 ºC

Hardening Temperature (superficial): 810-840 ºC

Tempering Temperature: 170-210 ºC

 

Obtainable Hardeness

Approx 45 HRC depending on method used.

 

Cutting Rate

30 to 50 m/min (approx value, depending on the lubrication oil, the cutting tools, the shape of parts etc)

 

Download Tolerance Chart

 

Disclaimer

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

 

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