10mm	12mm	14mm	15mm	16mm	18mm
19mm	20mm	22mm	25mm	30mm	32mm
35mm	38mm	40mm	45mm	48mm	50mm
55mm	60mm	65mm	70mm	75mm	80mm
85mm	90mm	95mm	100mm	105mm	110mm
115mm	120mm	130mm	140mm	150mm	160mm
170mm	180mm	190mm	200mm	210mm	220mm
230mm	240mm	250mm	260mm	270mm	280mm
290mm	300mm	310mm	320mm	330mm	340mm

17-4PH stainless steel rod introduction

17-4PH is a martensitic precipitation-hardened stainless steel with high strength, good corrosion resistance and excellent processability. The "17" in its name represents chromium content of about 17%, "4" represents nickel content of about 4%, and "PH" represents Precipitation Hardening. Through heat treatment, 17-4PH can obtain different mechanical properties, and is widely used in aerospace, petrochemical, medical equipment and other fields.

Chemical composition

The typical chemical composition of 17-4PH stainless steel is as follows (weight percentage) :

Element content (%)

• Carbon (C) ≤ 0.07
• Chromium (Cr) 15.0-17.5
• Nickel (Ni) 3.0-5.0
• Copper (Cu) 3.0-5.0
• Manganese (Mn) ≤ 1.0
• Silicon (Si) ≤ 1.0
• Phosphorus (P) ≤ 0.04
• Sulfur (S) ≤ 0.03
• Niobium (Nb) 0.15-0.45

Mechanical property

The mechanical properties of 17-4PH can be adjusted by heat treatment, and common states include H900, H1025, H1150, etc. The following are typical mechanical properties:

Heat treatment state	Tensile strength(MPa)	Yield strength (MPa)	Elongation(%)	Hardness (HRC)
H900	1310	1170	10	40-45
H1025	1100	1000	12	35-40
H1150	1000	860	13	30-35

Peculiarity

• High strength: By precipitation hardening treatment, 17-4PH has extremely high strength and hardness.
• Good corrosion resistance: shows excellent corrosion resistance in a variety of environments, especially in chloride environments.
• Excellent processing properties: easy to process, weld and heat treatment.
• Adjustable performance: Different mechanical properties can be obtained through different heat treatment processes.
• Wide application: suitable for high strength and corrosion resistance requirements of the field.

Specification

• Common specifications for 17-4PH stainless steel rods include:
• Diameter range: usually 10mm to 350mm, the specific specifications can be customized according to demand.
• Length: Generally 3 meters or 6 meters, can also be customized according to customer requirements.
• Surface treatment: black leather, car, polishing, etc.

Standard

• 17-4PH stainless steel rods are manufactured and tested according to the following standards
• ASTM A564: Hot-rolled and cold-rolled precipitation-hardened stainless steel bars, wires, and forgings.
• AMS 5604: Standard for aerospace materials for 17-4PH stainless steel.
• GB/T 1220: China national standard, suitable for stainless steel bars.

Application field

17-4PH stainless steel rods are widely used in the following fields:

• Aerospace: Used in the manufacture of high-strength, corrosion-resistant components, such as engine components, fasteners, etc.
• Petrochemical: Used for corrosion resistant valves, pump shafts, pipelines, etc.
• Medical instruments: Used for high-strength, corrosion-resistant components such as surgical instruments and dental equipment.
• Food processing: mechanical parts and equipment for corrosion resistance.
• Marine engineering: high-strength and corrosion-resistant components for use in seawater environments.

17-4PH stainless steel rod is a high performance material with high strength, good corrosion resistance and excellent processing properties. Its mechanical properties can be adjusted by heat treatment, which is suitable for aerospace, petrochemical, medical equipment and other fields. Its chemical composition, mechanical properties and specifications can be adjusted according to specific requirements to meet the requirements of different application scenarios.