Induction Hardened and Hard Chrome Plated Steel Bar for Shock Absorbers

**Product Specifications** **Company Overview** Suzhou Weipeng Precision Machinery Co., Ltd. is located in Suzhou, a city known for its foreign trade and economic development, close to the international port of Shanghai. Established in 2009, we are a manufacturing company specialized in producing piston rods and linear shafts. Quality is the lifeblood of our business. Your satisfaction is our ultimate goal. Our main products include hard chrome-plated rods, hydraulic piston rods, cylinder piston rods, chromium rods, hard chrome shafts, induction rods, and induction shafts. We use materials such as JIS S45C, SAE1045, and DIN CK45. Our hard chromium piston rods undergo precision milling, surface chromium treatment, and heat treatment to achieve high hardness and wear resistance, making them ideal for heavy machinery and construction equipment. Our corrosion resistance tests are conducted in an internal salt spray laboratory. The surface heat treatment and hardness reach HRC55°±2°, with a hardened depth between 0.5mm and 3mm. After precision milling and hard chromium treatment, the membrane thickness measures 20 microns ±10%, significantly improving wear resistance and extending the rod's lifespan. Our products are widely used in hydraulic and pneumatic cylinders found in agricultural machinery, lifting equipment, handling systems, garbage collection, and more. **Company Capability** **Product Specifications Table**

Item	Hard Chrome Plated Rod	Induction Hard Chrome Rod
Place of Origin	Jiangsu, China	Jiangsu, China
Material	JIS S45C, SAE1045, DIN CK45	JIS S45C, SAE1045, DIN CK45
Length	1000-6000mm	1000-6000mm
Shaft Diameter	3-120mm	3-120mm
Surface Hardness	Without hardened or hardened	HRC58-60
Chrome Layer Hardness	Above HV800	Above HV800
Chrome Layer Thickness	15μm ~ 25μm (Customized)	15μm ~ 25μm (Customized)
Surface Hardening Depth	/	0.8-3mm
Axis Straightness	0.15mm /1000mm	0.15mm /1000mm
Roughness	Ra 0.2μm~0.4μm	Ra 0.2μm~0.6μm
Precision	G6/F7	G6/F7

**Chrome Plated Steel Bars** Our chrome-plated bars are made from medium carbon cold-finished or hot-rolled steel bars, typically grade 1045. They are centerless ground, polished, and chrome-plated to a minimum thickness of 0.0005", with 0.001" per side. These bars are designed for use in most piston rod applications in hydraulic and pneumatic cylinders. **Induction Hardened Chrome Plated Bars** Our induction-hardened chrome-plated bars are produced using advanced techniques on JIS S45C, SAE1045, or DIN CK45 steel rods. They undergo surface removal, polishing, induction hardening, and then hard chrome plating. This results in a durable bar suitable for high-quality piston rods that can handle tough environments. **Applications** - Hydraulic cylinder rods - Farm equipment machinery - Pin stock for equipment attachments **Honed Tube**

Item	Honed Tube
Raw Material	DIN ST52, SAE1020
Pressure & Temperature Classification	High pressure & temperature piping
Inner Diameter	40mm - 320mm
Outer Diameter	50 - 400mm
Thickness	5 - 40mm
Length	7000mm
Straightness	Max 0.5/1000mm
Inside Surface Roughness (Ra)	0.2-0.4um
Tolerance INT	DIN2391 H8

**Cold Drawn Seamless Mechanical Tubing (CDS)** CDS tubes are cold-drawn from hot-rolled bar stock, enhancing physical properties and reducing machining costs. They offer better OD and ID uniformity, improved machinability, higher strength, and tighter tolerances compared to hot-finished seamless tubing. **Applications** - 3D printers - Textile machinery - Hydraulic cylinders - Rollers - Structural applications - Truck and automotive parts - Heavy equipment - Agricultural components - Auto and truck axles, suspension parts, and shock absorbers - High-speed shafts and rollers - Bearings and spacers, roll cages, and other machined tubular parts Our raw material comes from the most reputable brands in China, ensuring high density and quality stability. Our products are highly appreciated by clients for their competitive pricing and excellent quality. Wish you a Happy New Year! **Applications** - Plastic injection molding machines - Working servos - Construction equipment - Rubber molding machines - Papermaking machines - Printing machines - Refrigeration equipment - Food and chemical machinery - Loading equipment - Fiber spinning equipment - Agricultural equipment - Automobiles, shipbuilding, and more If you're interested in our company, please feel free to contact us: **SUZHOU WEIPENG PRECISION MACHINERY CO., LTD** ADD: No.98 Changjiang Road, National Hi-Tech District, 215010, Suzhou, P.R.C Tel: 0086-512-68387269 Fax: 0086-512-68387269 http://www.wepauto.com http://www.chromedbar.com

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