Item: ASTM A228 springMaterial: ASTM A228/music wireFinish: Nickel, Zinc, Tin, chrome,Silver plating etc.It also can be environmentally friendlySalt spray test: 8H (special requirement 48H)Transportation: International express by DHL, UPS, FedEx etc, FOB HK or Shenzhen
ASTM A228, also known as piano wire or music wire, is the most commonly used spring material. When customizing springs, most users will give priority to these materials because they are the cheapest, easy to obtain and easy to process, so they are also the most popular spring materials. However, the spring made of this kind of material is not suitable for high temperature, low temperature, strong impact and strong load.
SPECIAL PROPERTIES
Withstａnd higher stress than any other spring material under repeated loading. he music wire is made by cold drawing production process, with high and uniform tension. In the manufacture of small springs, piano wire / music wire is the most widely used, and it is also the hardest one.
COMMON TRADE NAMES OF ASTM A228 SPRING WIRE
228 Music Wire
Piano wire
ASTM A228
ASTM A29
ASTM A682AISI 1086
AMS 5112
QQ-W-470
UNS K08500
UNS G10860
SAE J403
SAE J412
SAE J414e
Japanese JIS G3522 SWP-A G3522 SWP-B
German DIN 1.1269
British BS 5201
About Zihuoli SpringZihuoli spring was founded in 2007, specialized in manufacturing high-quality custom wire springs. Our spring manufacturing capabilities include custom design, prototyping, and manufacturing of compression, extension, torsion springs and wire forms with wire diameter ranging from .004" to .709" (0.1mm to 18mm).Our company has 8,000m2 of production workshops and more than 60 employees with nearly 100 sets of auto production machines. Each department has a number of professional chefs. With the most advanced equipment in the industry, improving our efficiency, quality and stability to produce high quality and inexpensive products.Quality ControlEvery job is approached with a quality-first mindset. All processes follow a strict quality management system. After 15 years’development, the company has a mature quality management system of Design, Production, Testing and Packing and has passed the quality system certification of ISO 9001:2015.The company was authorized as GUANGDONG FAMOUS BRAND PRODUCT and honored qualified supplier by many big customers such as Midea, Volvo, Hettich etc. In terms of quality control, we stress the concept of "quality is the life of our enterprise". Following the requests of RoHS, we send products to the third party notarization institute for internationally recognized inspection, with complete inspection report. Our factory also has our own test lab, including salt spray machines, extension and compression tester, Torsion Tester, Pulls& press tester, Sample Polishing, Sample mosaic, Surface roughness tester, Microscope, Hardness tester and Projector. We can test all kinds of metal surface treatment of anti-rust effect and standard of products, in order to ensure the quality of our products.Sun. Jian, CEO of Zihuoli Spring, started his career in spring manufacturing in 1995. He has excellent spring knowledge and design experience. After 12 years of spring R & D, manufacturing and production management, he founded Zihuoli Spring in 2017.
