17mm G10-G1000 AISI 440 440c Stainless Steel Balls for Bearing/Valve Parts

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17mm G10-G1000 AISI 440 440c Stainless Steel Balls for Bearing/Valve Parts

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Product Description

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Basic Information

Model NO.:B053

Connection Form:Thread

Driving Mode:Hydraulic

Nominal Pressure:JIS10-20K

Channel:Straight Through Type

Structure:Floating Ball Valve

Function:Blow-Down Valve

Temperature:Ultralow Temperature

Standard:ISO

Application:Water Industrial Usage

Quality:ISO9001:2015

Certificate:IATF16949:2016

Production Capacity:500,000 PCS/Week

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Packaging & Delivery

Package Size:10.00cm * 18.00cm * 18.00cm

Gross Weight:10.000kg

Transport Package:Dry, Light Oil. Plastic Bag-Box-Carton-Case/Barrel

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Industry Profile

A manufacturing and trade combo with 20 years of experience in steel balls. The production plant was founded in 1998 and holds an ISO9001:2015 certificate. Supplies include carbon steel balls, chrome steel balls, plastic balls, ceramic balls, and rollers customized to requirements. Global exports cover regions such as the USA, UK, Italy, Germany, Russia, Brazil, France, Peru, and South Africa.

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Product Description

🔹 Applications:

300 Series: Used in trigger sprayers, bearings, dispenser valves, body jewelry, lotion pumps, etc.
400 Series: Primarily used in bearing applications, valves, locking mechanisms, fasteners, etc.

AISI Number	C%	Si%	Mn%	Cr%	Ni%	Mo%	Property
AISI 304	0.07 MAX	1.00 MAX	2.00 MAX	17.0~19.0	8.0~10.5	-	Slightly magnetic, HRC 25min.
AISI 316	0.07 MAX	1.00 MAX	2.00 MAX	16.5~18.5	10.5~13.5	2.00~2.50	Superior corrosion resistance.
AISI 420	0.07~0.25	1.00 MAX	1.00 MAX	12.0~14.0	-	-	Magnetic, martensite, HRC 50min.
AISI 430	0.08 MAX	1.00 MAX	1.00 MAX	15.5~17.5	-	-	Ferritic, better high-temp resistance.
AISI 440	0.95~1.20	1.00 MAX	1.00 MAX	16.0~18.0	-	-	Martensite, fair corrosion resistance.

Hardness:HRC25-39 (Standard); Custom available

Surface:Bright, Zero Defect

Safe:RoHS, SGS Certified

Markets:Global Export

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Standard Packaging Process

1. Weighing balls (approx. 10kg per unit).
2. Sealing in plastic bags.
3. Placing sealed bags into small boxes.
4. Labeling with Material, Lot No., Size, Quantity, Grade, and Date.
5. Final placement into plywood cases for shipment.

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Our Services

Expertise in product design improvement, quick pricing response, complete inspection reporting, full traceability, and perfect logistics support.

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Frequently Asked Questions

Q1: What series of stainless steel balls are available?

We provide both 300 series (like 304, 316) and 400 series (like 420, 430, 440) stainless steel balls, each suited for different industrial requirements.

Q2: Are the steel balls certified for international standards?

Yes, our products and facilities are ISO 9001:2015 certified, and they comply with RoHS and SGS safety standards.

Q3: Can the hardness of the balls be customized?

Standard hardness ranges from HRC25-39, but special hardness requirements can be accommodated based on specific customer needs.

Q4: What are the primary applications for 400 series balls?

400 series balls are most commonly used in bearing applications, valve mechanisms, locking devices, and fasteners due to their magnetic and martensitic properties.

Q5: How is the product quality ensured during delivery?

We follow a strict 5-step packaging process involving weighing, vacuum-sealed plastic bags, labeled internal boxes, and protective plywood cases.

Q6: What is your production capacity for these components?

Our facility has a stable production capacity of approximately 500,000 pieces per week to ensure timely delivery for global orders.