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Harsh Steel

Stainless Steel 17-4ph Bars


Stainless Steel 17-4ph Bars

We provide high quality Stainless Steel 17-4ph Bars that are meant to serve the complex purposes of our clients in the best way possible. The demands today have grown more diverse and complex and therefore there is a need for optimum quality products in the market. We provide our products to large scale clients who mainly include retailers, Bulk Buyers and dealers.

17-4 PH is a martensitic precipitation hardening stainless steel with high strength, high resistance to corrosion, and strong mechanical properties. 17-4 PH Stainless Steel is an economical alternative to other stainless and strong carbon steels.

Equivalent materials to stainless steel-grade 17-4ph are :

  • EN/DIN 1.4542
  • X5CrNiCuNb16.4
  • AFNOR Z6CNU17-O4
  • ASTM-A564 Grade 630
  • UNS S17400
  • JIS SUS630
  • Custom 630
  • SAE AMS 5643
  • SAE AMS 5604
  • NACE MR01-75
  • ISO 15156
  • PED 97/23/CE
  • API 6A PSL4 (UT)
  • ASTM A388 (UT)
  • EN10088-3


Composition For stainless steel 17-4PH :

  • Iron (Fe) : 69.91 - 78.85%
  • Carbon (C) : 0.07% max
  • Chrome (Cr) : 15 - 17.5%
  • Manganese (Mn) :  1% max
  • Niobium (Nb) + Tantalum (Ta) : 0.15 - 0.45% max
  • Nickel (Ni) : 3 - 5%
  • Phosphorus (P) : 0.04% max
  • Sulphur (S) : 0.03% min
  • Silicon (Si) : 1% max


Heat Treated 17-4 PH Stainless Steel
Heat treatments are used to strengthen 17-4 alloys. There are eight standard conditions for 17-4 stainless steel after treatment - H 900, H 925, H 1025, H 1075, H 1100, H 1150, H 1150+1150 and H 1150-M which is available with us.




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