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4145 mod

1.1% Chromium-Molybdenum Through Hardening Steel

Surcharge

£408.44 per tonne

Similar Grades EQUIVALENT GRADES Datasheet

Surcharge Price History for 4145 mod



















































































Today Oct-24 Jul-24 Apr-24 Jan-24
£408.44 £448.69 £489.85 £440.19 £487.85
The surcharge data provided is based on the information available to us and represents an average of the surcharge mechanisms taken from various global steel producers. It is intended to only provide an indication of market movements and does not necessarily reflect the specific surcharges applied to individual material batches.

Product Method

Rolled or Forged

Finishes

Black Bar or Bright Bar

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4145 mod grade steel is a chromium-molybdenum through hardening steel typically used for downhole applications.

Similar to 4140, except with a higher carbon level resulting in greater strength, hardenability and ruling sections, which makes this grade more suitable for applications with larger section size and higher strength requirements.

In the ‘as-quenched’ state, hardnesses of 55-62HRc are achievable.

This grade demonstrates good forgeability but must be controlled through cooling due to its susceptibility to cracking. Care should also be taken when quenching, ensuring control over the quench medium, for the same reasons.

Impact toughness is reduced due to the increased carbon content. Weldability is also poor and is often carried out by more sophisticated methods such as plasma arc or electron beam.

Size Range

32mm - 860mm Dia

Typical applications of 4145 mod grade steel

  • Drill collars

  • Drill bits

  • Crossover subs

  • Tool joints

Services

Hillfoot Contractual Division - Delivering a Quality Steel Service

Contractual (Future One)

The primary focus of Hillfoot's Contractual division is to establish highly trustworthy, valuable, collaborative and committed long-term relationships with clients. 
Hillfoot Steel Stockholding Division

Stockholding

Hillfoot's Stockholding division is structured and dedicated to proactively seeking, developing, and nurturing new and transactional customers with a view to long term commitment and sustainable supply partnerships.
Hillfoot Trade Division - Large Volumes of Steel at Competitive Prices

Trade

Hillfoot’s Trade division works closely with UK steel distributors and end users, that require large volumes of steel at competitive prices, without any compromise in service.

Stock Availability

To discuss your requirements or to find out what stock is currently available of this grade, click the button below.

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Contact us about 4145 mod