BEST QUALITY! STAINLESS STEEL BALL FROM CHINA

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Packaging & Delivery

Packaging Detail:as customer requirement, bag/box/export/ carton/pallet.
Delivery Detail:30DAYS

Specifications

stainless steel balls 9mm
SS420 SS440C SS304 SS316
Good Quality Cheap Price
20 years Factory
ISO9001-2008

stainless steel balls 9mm

20 years steel ball manufacture

SS316 Stainless Steel Ball, SS304 Stainless Steel Ball,SS440 Stainless Steel Ball

SS420 Stainless Steel Ball, SS420C Stainless Steel Ball

 

Stainless Steel Ball Specification: 

 

Material

Feature

General Applications

AISI 420 

Magnetic, Harden-able, fair corrosion resistance 

used for special bearings and valves where Balls requiring a combine -action of hardness and corrosion resistance 

AISI 440C

Magnetic, highest hardness, good corrosion resistance 

used in bearing nozzles and valves where lubrication is poor or absent 

AISI 304

austentitic, corrosion resistance, slightly magnetic, however annealing can makes it non - magnetic 

Used in valves and relevant application , food products, aerosols, home sprays, perfumes and medical equipment. 

AISI 316

non - magnetic, good corrosion resistance even when exposed to marine atmosphere and sulfuric acid. 

used in presence of sulphuric, phosphoric and acetic acids.
Mainly used in chemical, paper and textile industries.

AISI 316

Characteristics same as 316 but with excellent corrosion resistance, Lower carbon content than regular 316.

expeci

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Q:Casting parts need to be subjected to the kind of heat treatment after the weldment is finished
Annealing is needed to eliminate stress and refine grain
Q:Shandong foundry, casting small pieces of precision casting
Small foundry in Shandong too much, like many of us in Qingdao, then Dongying Changshun investment casting is a home, they are also casting precision casting equipment, specifically what I recommend that local enterprises, far is not convenient,
Q:What's the density of casting?
There is a hot knot in the thick area, which easily causes microscopic shrinkage and makes the casting not dense. A riser may be added for shrinkage relief.
Q:What kind of casting process is used for cast iron parts? And what are the cast steel parts adopted?
Corundum sand: the main mineral composition is corundum alpha -Al2O3, used for investment casting, ceramic mold casting shell materials. The olivine sand: the main mineral composition of olivine (MgFe) 2SiO4, used in cast iron, non-ferrous alloy castings and high manganese steel casting molding sand and the core sand. Silica resources in nature resources, but suitable for casting with high SiO2 content of natural silica sand is not too much. Since 1951, China has carried out a general survey of the casting sand resources in the territory, but mainly limited to the main traffic lines and major industrial cities. Survey results show that Chinese can be used for natural silica sand casting is very rich in resources, a wide range of distribution. Inner Mongolia Zhelimumeng, natural silica sand reserves amounted to hundreds of millions of tons, the particle shape close to the circular, the content of SiO2 is about 90%. Fujian, Jinjiang Dongshan sea sand, the content of SiO2 is 94 to 98%, with a low volume of mud, are good natural silica sand. Are Duchang, Yongxiu Jiangxi County Xingzi, a large number of Quaternary lacustrine deposition of silica sand, the content of SiO2 is about 90%, low iron content, alkaline oxide less, uniform size, is a good lake sand. Guangzhou, Hunan and other places have abundant easily broken weathered sandstone, processing artificial silica sand, the content of SiO2 in more than 96%, can be used for the production of steel castings. Jiangsu Nanjing red sand, sandy mud pure, moderate, strong permeability, good viscosity, high silica content, less water, fine particles, pulls out the casting is smooth, stable quality, can be made of cast iron and non-ferrous metal parts of the sand and core sand
Q:Domestic large steel castings factory which is better, recommend!
Do the casting manufacturer of large steel castings, Hunan Jinsha heavy industry science and technology limited company, heard that their professional only more than 1 tons of steel castings, anyway, 150T just big, the company won a lot of foundry industry patents should be good.
Q:Casting parts in rocker arm drilling, reaming, roughness, block.
Radial drilling machine can achieve boring, reaming function, but as much as you want, according to your requirements and material to determine!
Q:Can the casting part be phosphating with the phosphating solution of the pickling board?
Like stainless steel casting, duplex stainless steel casting is phosphating, ductile iron gray iron is not required
Q:Sealing test of casting parts 5
Precise and tight sealing of the surface to which the test piece is to be tested, equipped with an airtight test instrument, and an electrical control system. You can complete automated testing equipment
Q:What is the difference between the casting drawing and the car work drawing?
Casting rough drawings generally no processing symbols, processing drawings indispensable is processing symbols!
Q:What are the factors affecting the machining process of the casting material and structure?
As for the metallographic structure, usually the finished products after casting are treated by heat treatment. The mechanical properties of the carbon steel after heat treatment (quenching and tempering) are detected. The stainless steels are treated by heat treatment (solid solution, etc.) and the metallographic structure is analyzedThere is a lot of talk and a bit of confusionIf you have a specific brand, you can search for Baidu or buy tools

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