ASTM A 641 4.1MM galvanized steel wire for CHAIN LINK FENCE
Product name: Hot-dipped Galvanized wire
Material: Low-carbon steel wire
Diameter: 1.65-4.1 mm
Certificate: ISO9001:2000
Tensile strength: 300 to 500N/mm2
Zinc: 50 to 900g
Packing: With spool : Iron spool , plastic spool , wooden spool .
Without spool:10-800kg/coil plastic inside and hessian outside// weave outside.
Feature: the characteristics of thick zinc coating, good corrosion
The process: through the process of wire drawing acid washing and removing, annealing, galvanized and coiling.
Application: binding
Contact information:
Any inquiries,pls feel free to contact us
Email: rayee2010(at)rayee.com.cn
Raw material
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Q195 wire rod---this type of wire rod has less impurities so it very suit for drawing. Q195 material's chemical component is nearly same as SAE1008 and SAE 1006. Q195 material chemical component :
C≤0.07; S≤0.023; Si≤0.09; Mn≤0.32; P≤0.025.
Galvanized wire production process
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1 . Galvanized wire’s first stage is drawing
there are two kinds of drawing machine: powder drawing and water drawing. powder drawing is fit for junior drawing(6.5mm~4.0mm). One powder drawing machine has 4 tanks and 4 molds. One tank is matched with a mold. Each of them are offered energy by a electromotor. 0.9mm(max)can be “eat” when the wire cross a mold. There are no loss of weight during drawing.
2 . Galvanized wire’s second stage is annealed
Anneal is to low the tensile strength of wire . The stove is solid . The architecture of anneal stove is cuboid . Different thickness of wire require different temperature . Range is from 700℃to 900℃ . Output of the anneal stove , the tensile strength is 400N~500N .
3 . Galvanized wire’s third stage is chlorhydric acid washing
After the draw and anneal, the wire is thinner, softer but also much more dirty. It needs chlorhydric acid washing to remove the impurities. Chlorhydric acid washing requires water pool and chlorhydric acid pool. The density of chlorhydric acid is 17%. In the Chlorhydric acid pool, there is a caldron used for the emission of vapor.
Electro galvanized is a chemical reaction. One chlorhydric acid pool is enough. However, hot-dipped is a physical reaction, it needs two chlorhydric acid pool and two water pool for the preparation of galvanization.
Rust removing:
4 . Galvanized wire’s fourth stage: Zinc coating
After the chlorhydric acid pool, water pool is also necessary. In the zinc pool, displacement reaction is chemical and uniformly distributed. The surface of wire is smooth. Because wire cross the zinc pool fast, abundant zinc coating requires 4 zinc pools.
Before hot dipped,the wire must be dry.
Packing :
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Inside plastic film , outside weaving bag . Coil weight : 100kg , 500kg,800kgs
Pls advise us wire diameter,tensile strength,zinc coating contents,end use for a good quotation.
Welcome to inquiry !
Contact information:
Any inquiries,pls feel free to contact us
Email: rayee2010(at)rayee.com.cn