17-4PH precipitation hardening round bar

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27-May-2024

Name :17-4PH stainless steel round bar

17-4PH round bar standard: AISI, ASTM Type :17-4PH (SUS630) UNS Number: S17400
17-4PH forged round bar properties and applications: 17-4PH material for American brands, is a martensitic precipitation hardening stainless steel, the equivalent of Chinese brands: 0Cr17Ni4Cu4Nb. Add 17-4PH precipitation hardening steel kinds of copper. 17-4PH for the manufacture of shafts, turbine components.

17-4PH forged round bar chemical composition:

C	Mn	Si	Cr	Ni	P	S	Cu	Nb+Ta
≤0.07	≤1.00	≤1.00	15.5~17.5	3.0~5.0	≤0.04	≤0.03	3.0~5.0	0.15~0.45

17-4PH forged round bar mechanical properties:
Tensile strength σb (MPa): 480 ℃ aging, ≥ 1310; 550
Conditions yield strength σ0.2 (MPa): 480 ℃
Elongation δ5 (%): 480 ℃
Reduction of ψ (%): 480 ℃
Hardness: solution, ≤ 363HB and ≤ 38HRC; 480 ℃
17-4PH Heat treatment and microstructure specifications

17-4PH forged round bar application: used for produce shafts, turbine components, offshore platforms, helicopter deck, other platforms, Food industry, Pulp and paper, Aerospace (turbine blades), mechanical components of nuclear waste barrel.

Heat treatment specifications:
Solute 1020 ~ 1060 ℃ rapid cooling; 2) 480 ℃ aging, after solution treatment, 470 ~ 490 ℃ air-cooled; 3) 550 ℃ aging, after solution treatment, 540 ~ 560 ℃ air-cooled; 4) 580 ℃ aging , after solution treatment, 570 ~ 590 ℃ air-cooled; 5) 620 ℃ aging, after solution treatment, 610 ~ 630 ℃ air-cooled.

Microstructure: Organizing for precipitation hardening.

We are a 17-4PH round bar factory. 17-4PH round bar is a kind of precipitation hardening stainless steel round bar. We can give you a good 17-4PH round bar price and provide best service.