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4130 mod - 1% Chromium-Molybdenum Through Hardening Steel

Surcharge

Both Scrap and most alloys saw a small increase going into April, meaning surcharges for the majority of grades increased slightly.

Nickel has been rising steadily (albeit not significantly) in recent weeks and therefore we would expect to see this filter through to the surcharges in the coming weeks.

Surcharge information as listed via Liberty Speciality Steels where possible, other based on mean chemical analysis for the given grade.

info
£307.60 per tonne

Surcharge Price History for 4130 mod

APR 18 JUL 18 OCT 18 JAN 19 TODAY
£300.83 £322.23 £320.35 £348.20 £307.60

Description

4130 mod grade steel is a chromium-molybdenum steel used widely for wellhead applications.

It can be quenched and tempered to high strengths, however hardenability limitations prevent through hardening above approximately 5”.

This grade also offers good weldability and machinability, and has relatively low cost. It is often clad with Ni alloy 625 at seal joints to prevent crevice corrosion.

Typical applications of 4130 mod grade steel

  • Valve bodies

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PRODUCTION METHOD

Rolled or Forged

FINISHES

Black Bar or Bright Bar