Vishwa Stainless Pvt. Ltd. specializes in manufacturing 17-4 PH Round Bars in India.

We are a reliable manufacturer and exporter of an extensive range of 17-4 PH Stainless Steel Round Bar. In order to manufactur it, we use supreme quality stainless steel that delivers supreme quality and high durability. Grade 17-4 precipitation hardening also known as Type 630 which gets denoted for a chromium-copper precipitation hardening stainless steel used for applications requiring high strength and a good level of corrosion resistance.

17-4 PH Stainless Steel Round Bar Standard Technical Specifications:

ASTM A564, A705 TYPE 630
ASME SA564, SA705 TYPE 630
UNS S17400
AMS 5643
DIN EB 10088-3 W. Nr 1.4542

17-4 PH Stainless Steel Round Bar Chemical Analysis:

Composition (wt %)
Carbon (C) 0.07 max.
Manganese (Mn) 1.00 max.
Phosphorus (P) 0.04 max.
Sulfur (S) 0.03 max.
Silicon (Si) 1.00 max.
Chromium (Cr) 15.00 – 17.50
Nickel (Ni) 3.00 – 5.00
Copper (Cu) 3.00 – 5.00
Niobium*plus 0.03 max.
Tantalum (Nb) -

Heat Treatments For 17-4 PH Stainless Steel Round Bar

Condition A Solution Treated at 1038 ± 14 °C (1900 ± 25 °F) 0.5 hr Oil, Water+Polymer or Air Cool to below 32 °C (90 °F)

Condition Hardening Temp, ± 9 °C (± 15 °F) Hardening Time (hours) Type of Cooling
H 900 482 °C (900 °F) 1 Air
H 925 496 °C (925 °F) 4 Air
H 1025 552 °C (1025 °F) 4 Air
H 1075 579 °C (1075 °F) 4 Air
H 1100 593 °C (1100 °F) 4 Air
H 1150 621 °C (1150 °F) 4 Air
H 1150-D 621 °C (1150 °F)
621 °C (1150 °F)
4 Followed by 4 Air Air
H 1150-M 760 °C (1400 °F)
621 °C (1150 °F)
2 Followed by 4 Air Air

17-4 PH Stainless Steel Round Bar Mechanical Properties:

Condition Condition Condition Condition Condition Condition Condition Condition Condition Condition
Property H 900 H 900 H 925 H 925 H 1025 H 1075 H 1100 H 1150 H1150-D H 1150M
Up to75 m
(3 in.) Incl
Over 75 mm
(3 in.) to 200 mm (8 in.
Up to 75 mm
(3 in.) Incl
Over 75 mm
(3 in.) to 200 mm (8 in.
Up to 200 mm (8 in.) Up to 200 mm (8 in.) Up to 200 mm (8 in.) Up to 200 mm (8 in.) Up to 200 mm (8 in.) Up to 200 mm (8 in.)
UTS, MPa (ksi) 1310
(190)
1310 (190) 1170
(170)
1170
(170)
1070
(155)
1000
(145)
965
(140)
930
(135)
860
(125)
795
(115)
0.2% YS, MPa (ksi) 1170
(170)
1170
(170)
1070
(155)
1070
(155)
1000
(145)
860
(125)
795
(115)
725
(105)
725
(105)
520
(75)
Elongation % in 4D 10 10 10 10 12 13 14 16 16 18
Reduction of Area % 40 35 44 38 45 45 45 50 50 55
Brinell Hardness 388 388 375 375 331 311 302 277 255 255
Rockwell Hardness C40 C40 C38 C38 C35 C32 C31 C28 C24 C24
Impact, Charpy V•Notch,
J (ft•lbs)
NA NA 7 (5) 7 (5) 20 (15) 27 (20) 34 (25) 41 (30) 41 (30) 75 (55)

17-4 PH Stainless Steel Round Bar Features:

  • High strength
  • High corrosion resistance
  • Advanced
  • Mechanical
  • Durable

  • 17-4 PH Stainless Steel Round Bar Applications:

  • Jet engine Industry
  • Surgical instruments
  • Aerospace components
  • Food Industry
  • Petrochemical

  • For any special range requirement of grades and sizes or Stainless Steel 17- 4 PH round bars. price list, call us today! +91-72111 24478

    We manufacture export quality stainless steel 17- 4 PH round bars and supply our stainless steel 17- 4 PH round bars in Australia, Germany, Italy, Poland, Spain, Netherlands, UAE (United Arab Emirates), Turkey, UK, USA, Canada, Lebanon, Iran, Saudi Arabia, Denmark, Mexico, Bangladesh etc.

    Solution Providers For Stainless steel Round 17- 4 PH Bars Across the World.