Valve Application 440ss/440c Large Ball 1-1/4inch 1-1/2inch 1-3/4inch
| Negotiable | 1 kg (MOQ) |
Jiangsu Wallong-Hsin Machinery Engineering Corporation Ltd.
Jiangsu, China
Last Login Date:
Jul 11, 2025
Business Type:
Manufacturer/Factory, Trading Company
Main Products:
Universal Testing Machine, Test Equipment, Rolling Elements, Transmission Parts, Harvesting Machine, Planting Machine, Agricultural Hub, Pneumatic Actuator, Bearing, Saddle Valve Pairs
Product Description
Company Info
Basic Info.
Product Description
Product introduction
Material:Stainless steel ( SUS420J2 , AISI304, AISI304L, AISI316, AISI316L, AISI440C , AISI430,AISI310, AISI302, Duplex)
Diameter:0.2mm - 250mm (Professional production line 4.763mm 3/16",7.938mm 5/16" ,9.525mm 3/8"and so on )
Grade:G5 / G10 / G16 / G20 / G28 / G40 / G100 / G200 / G500 / G1000 / G2000 according to ISO, DIN, or AFBMA standard
Chemical composition
| Chemical Composition STAINLESS STEEL | |||||||||
| Type | C% | Cr% | Mn% | Ni% | P% | S% | Si% | Cu% | Mo% |
| 302 | 0.15 max | 17.00-19.00 | 2.00 max | 8.00-10.00 | 0.045 max | 0.030 max | 1.00 max | ||
| 304 | 0.08 max | 18.00-20.00 | 2.00 max | 8.00-10.50 | 0.045 max | 0.030 max | 1.00 max | ||
| 304L | 0.03 max | 18.00-20.00 | 2.00 max | 8.00-12.00 | 0.045 max | 0.030 max | 1.00 max | ||
| 316 | 0.08 max | 16.00-18.00 | 2.00 max | 10.00-14.00 | 0.045 max | 0.030 max | 1.00 max | 2.00-3.00 | |
| 316L | 0.03 max | 16.00-18.00 | 2.00 max | 10.00-14.00 | 0.045 max | 0.030 max | 1.00 max | 2.00-3.00 | |
| 420 | 0.15 min | 12.00-14.00 | 1.00 max | 0.040 max | 0.030 max | 1.00 max | |||
| 420C | 0.16-0.25 | 12.00-14.00 | 1.00 max | 0.75 max | 0.040 max | 0.030 max | 1.00 max | ||
| 430 | 0.12 max | 16.00-18.00 | 1.00 max | 0.040 max | 0.030 max | 1.00 max | |||
| 440C | 0.95-1.20 | 16.00-18.00 | 1.00 max | 0.75 max | 0.040 max | 0.030 max | 1.00 max | 0.50 max | 0.40-0.65 |
Precision table
DIN5401(GERMAN STANDARDS) | ||||
DIN 5401 GRADE | ROUNDNESS μm | LOT DIAMETER VARIATION μm | BASIC DIAMETER TOLERANCE μm | GAUGE INTERVAL μm |
I | 0,25 | 0,50 | ±10,25 | 0,50 |
II | 0,50 | 1,00 | ±10,50 | 1,00 |
III | 1,00 | 2,00 | ±11,00 | 2,00 |
IV | 2,00 | 4,00 | ±14,00 | 4,00 |
V | 25,00 | 50,00 | ±75,00 | 50,00 |
VI | - | 400,00 | ±200,00 | - |
APPROXIMATE EQUIVALENT GRADES BETWEEN ISO 3290,AFBMA,DIN | |||||||
GRADES | AAAA | AAA | AA | A | B | C | ∅mm |
ISO3290 | 5 | 10 | 16 | 28 | 40 | 100 | up to 3 included |
10 | 16 | 28 | 40 | 100 | from 3 to 6 included | ||
10 | 16 | 28 | 40 | 100 | 200 | from 6 to 10 included | |
16 | 20 | 28 | 40 | 100 | 200 | from 10 to 20 included | |
28 | 40 | 100 | 200 | from 20 to 30 included | |||
40 | 100 | 200 | from 30 to 50 included | ||||
40 | 100 | 100 | 200 | over 50 | |||
AFBMA | 5 | 10 | 16 | 24 | 48 | 100 | up to 3 included |
10 | 16 | 24 | 48 | 100 | 100 | from 3 to 6 included | |
10 | 16 | 24 | 48 | 100 | 200 | from 6 to 10 included | |
16 | 16 | 24 | 48 | 100 | 200 | from 10 to 20 included | |
24 | 48 | 100 | 200 | 300 | from 20 to 30 included | ||
48 | 48 | 100 | 200 | 300 | from 30 to 50 included | ||
48 | 100 | 100 | 200 | 300 | over 50 | ||
DIN | class - | class I | class II | class III | class IV | - | up to 3 included |
- | I | II | III | IV | - | from 3 to 6 included | |
I | II | III | - | IV | - | from 6 to 10 included | |
- | III | III | IV | - | - | from 10 to 20 included | |
II | - | III | IV | - | - | from 20 to 30 included | |
- | - | III | IV | - | - | from 30 to 50 included | |
- | - | III | IV | - | - | over 50 | |
Our Company
JIANGSU WALLONG-HSIN MACHINERY ENGINEERING CORPORATION LTD. a solely funded subsidiary of SINOMACH GROUP (the biggest machinery group in China), is the limited state-owned Corp. with registered capital of 30 million RMB, located in Wuxi city, Jiangsu Province, which is one of the best rolling elements industry area in China.Our office area is around 3000 square meters and our workshops area is around 50,000 square meters.
Founded in 1994, we own abundant manufacture and export experience, build up well business reputation and keep a long and steady trade partnership with hundreds of customers from different countries and regions. Thanks to the strong support by our parent company SINOMACH , our assets structure keeps good and the state of operation rises steadily.
Application
JIANGSU WALLONG-HSIN MACHINERY ENGINEERING CORPORATION LTD has created a complete range in order to offer advanced solutions and an outstanding technical services. The application range includes:
*High quality Ball Bearings components
*Linear systems,Ball bearing slides
*Free Wheels and casters,rail wheels
*Ball transfer units,air cargo and conveyor
*Stainless steel and tungsten carbide ball point pens
*Various types of valves for liquids and gases,etc.
*CV Joints,hydraulic motors and oilers
*Safety belt balls,car seat guides balls
*motor bikes and bicycles ball parts
*Furniture fitting,drawer slide balls
*Coconut grinding balls, coffee milling balls
*Cosmetic balls,nail polish balls
*Pump balls
| FAQ |
| Q1.How many days for delivery? |
| A: Stock with 7 days. Standard sized within 1 month. The specific delivery time depends on your quantity. |
| Q2. What is your terms of delivery? |
| A: EXW, FOB, CFR, CIF, DAP, DDP |
| Q3.Will you send me a free sample? |
| A:Yes, we'd love to.Can you pay for the delivery? |
| Q4.What is the advantage of your company? |
| A:We are a professional state owned manufacturer and exporter, which have nearly 30 years of production experience and exporting experience to mainly Europe and USA market . |
| Q5: What is your terms of payment? |
| A: Payment<=1000USD, 100% in advance. Non-standard size ,or Payment>=1000USD, 30% T/T in advance, Balance before shippment. |
