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AISI 630 SS / 1.4542


Your specialist for AISI 630 sawn steel from forged billets directly from stock in Texas. We provide metal cutting services.

AISI 630 SS from stock in Texas

SS 630, contains approximately 17.5% chromium, 5% copper, and additional nickel, molybdenum, and other elements.
The maximum carbon content is 0.07%. It is analytically the same with the materials 17-4 ph.

AISI 630 is a martensitic, hardenable, stainless steel with high wear resistance, good corrosion resistance and high yield strength.

International appellations:

ASTM A564-89 17-4PH, JIS SCS24 / SUS630, AFNOR Z7CNU15-05 / Z7CNU17-04, 1.4542, 1.4548


The combination of excellent mechanical properties and high corrosion resistance allows AISI 630 to be used in maritime environments, although it is susceptible to stress corrosion cracking in stagnant seawater. Notched impact strength is excellent at sub-zero temperatures.

SS630 is machinable both in the solution-annealed and hardened condition, whereby the machinability depends on the hardness. SS 630 is used in the aerospace, chemical, petrochemical and petroleum industries, in medical and dental technology, in plant construction and in shipbuilding. 630 ss for oil and gas industry.


Characteristics: This steel alloy exhibits special properties such as suitability for low temperatures and operation up to approximately 315 °C. Notable for its high strength, toughness, and age-hardenable capability, the steel allows strength enhancement through cold forming with subsequent aging.

Forging: Forging of AISI 630 stainless steel occurs in a temperature range from 1180°C to 950°C, with cooling to room temperature taking place in the surrounding air.

Welding: Optimal welding conditions are essential, considering the stable presence of copper. To prevent stress cracking, the material must undergo solution annealing shortly after welding, followed by aging.

Corrosion resistance: SS 630 is suitable for use in marine environments, showcasing excellent mechanical properties and corrosion resistance. However, additional protection is needed against crevice corrosion caused by standing seawater.

Maching: AISI 630 is machinable in both the age-hardened and solution-annealed conditions, with machinability varying depending on the hardness state.

Chemical analysis:

AISI 630 C Si Mn P S Cr Mo Ni V
min. 15 3
max. 0,07 0,7 1,0 0,04 0,03 17,50 0,6 5

AISI 630 directly from stock:

flat, forged

acero plano, forjado, recocide disolución y curado

Benefits of sawn cuts:

Due to the mechanical processing with the saw, the structure of the material shows much less unintentional deformation and material hardening than, for example, oxyfuel cutting.

Therefore, the workpiece already machined by the saw has a homogeneous structure at the edge, which does not change in the material continuation.

  • Produced to highest standards

Produced to highest standards
  • Quick delivery

Quick delivery from US
  • From stock in Texas

Steel from stock in Texas

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