Is 17-4 PH suitable for high-pressure hydraulic applications?

Yes - 17-4 PH is commonly used for hydraulic cylinder rods and components in high-pressure systems (>250 bar).

Sample 10-15 days. Batch 2-3 weeks. Rush service available.

Send drawings (PDF/STEP/IGS/DWG) with material, heat treatment, hard chrome requirement, tolerance, threads, quantity. No drawing? Send sample/photo/sketch - free support.

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Hard Chrome Mechanical Parts for Hydraulic Systems with 17-4 pH

Name: Hard Chrome Mechanical Parts for Hydraulic Systems with 17-4 pH
Brand: GUANNENG PRECISION MACHINERY CO.,LTD.
SKU: 2301964935

Guangdong, ChinaGUANNENG PRECISION MACHINERY CO.,LTD.

US$5.00

100-999 Pieces

US$3.00

1,000-9,999 Pieces

US$1.00

10,000+ Pieces

Product profile

Customization

Available

Application

Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory

Standard

GB, EN, China GB Code, JIS Code, TEMA, ASME

Surface Treatment

Powder Coated

Production Type

Mass Production

Machining Method

CNC Machining

Material

Steel

Keywords 01

17-4 pH Hard Chrome Hydraulic Parts

Keywords 02

Hard Chrome Plated Piston Rods

Keywords 03

17-4 pH Hydraulic Cylinder Components

Keywords 04

Precipitation Hardened Stainless Steel

Keywords 05

High Strength Hydraulic Actuators

Keywords 06

Hard Chrome Surface Hardness 900-1100 Hv

Keywords 07

17-4 pH Valve Stems

Keywords 08

Corrosion Resistant Hydraulic Hardware

Keywords 09

Hard Chrome Plated Pump Shafts

Keywords 10

AMS 2406 Hard Chrome Plating

Transport Package

Individual Packing + Wooden Case

Specification

OD68*L900mm

Trademark

GGN

Origin

China

HS Code

8466939000

Production Capacity

1000PCS

Key features

High Strength Material: 17-4 PH stainless steel with tensile strength up to 1,310 MPa for extreme hydraulic pressures.

Exceptional Hardness: Hard chrome plating provides 900-1,100 HV (65-69 HRC) surface hardness for superior wear resistance.

Corrosion Protection: Chromium oxide layer offers corrosion resistance comparable to Type 304 stainless steel.

Precision Tolerance: Critical features maintained within +/-0.003mm tolerance for high-accuracy applications.

Low Friction Surface: Hard chrome finish reduces seal wear and improves hydraulic system efficiency.

Full Material Traceability: Includes EN 10204 3.1 certificates and full documentation for every shipment.

Fast Lead Time: Samples delivered in 10-15 days; batch orders completed in 2-3 weeks.

Factory Direct Pricing: Direct manufacturer with no middleman markup for competitive pricing.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast Delivery

GUANNENG PRECISION MACHINERY CO.,LTD.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤0.87h

AI-Powered supplier vetting

SummaryDongguan Guanneng Automation Technology Development Co., Ltd. is a China-based combined business entity identified in one record as a trade company, operating in Dongguan, Guangdong. It reports more than 15 years of machining-industry experience, while the company establishment date provided is 2018. Its stated capabilities include CNC machining, milling, grinding, wire cutting, turning, testing, assembly, and after-sales service. The supplier reports its own factory, multiple production lines, more than 10 production lines, and ISO9001:2015 certification. It serves machining, biomedical, automotive, semiconductor, automation, and petroleum machinery industries, and exports to East Asia, Europe, and North America. Lead times are stated as within 15 working days in both off-peak and peak seasons. Evidence is insufficient to assess financial credibility, innovation output, formal outsourcing or contract controls, overseas warehousing, traceability, or named customer cases. The audit record is dated November...

CertificationsThe supplier reports holding an ISO9001:2015 certificate and describes a dedicated quality control department and strict ISO9001-based production management system. A BV audit is also recorded for November 9, 2023 through November 8, 2024, although the audit result is listed as 0 without an explained scale.

After-Sales capabilityThe company description explicitly includes after-sales service among its integrated activities and states that it serves domestic and overseas enterprises. However, the records provide no specific response process, service coverage, repair policy, or overseas service infrastructure; overseas warehouse and showroom capabilities are marked unknown.

Production capacityThe supplier reports more than 15 years of machining-industry experience, its own factory, multiple production lines, and more than 10 production lines. It lists CNC machining, milling, grinding, wire cutting, and turning capabilities, serves several industrial sectors, and states lead times within 15 working days in both peak and off-peak seasons.

Customization capabilityThe product and service descriptions cover precision CNC machining, CNC turning, grinding, wire cutting, machinery parts, testing, and assembly. The supplier states that its production lines can meet different product needs and requirements, supporting customization, although no detailed engineering workflow, tolerance range, tooling policy, or sample-development evidence is provided.

Product Q&A

Q:Manufacturer or trading company?

Direct manufacturer - 6,000 sqm, 17 years, 40+ CNC machines, ISO9001, 3D CMM.

Q:What is 17-4 PH stainless steel?

Martensitic precipitation-hardening stainless steel offering high strength (up to 1,310 MPa), hardness (up to 44 HRC), and corrosion resistance comparable to 304 stainless steel.

Q:Why use hard chrome plating on 17-4 PH hydraulic components?

Hard chrome provides surface hardness of 900-1,100 HV (65-69 HRC), exceptional wear resistance, low friction, and corrosion protection - all critical for hydraulic system performance and longevity.

Q:What is the typical hard chrome plating thickness?

0.2 - 0.6 mm (200-600 um) for standard non-salvage applications.

Q:What applications use hard chrome plated 17-4 PH?

Hydraulic cylinder rods, piston rods, hydraulic actuators, valve stems, pump shafts, and wear rings in high-pressure, offshore, and contaminated fluid environments.