China high quality Galvanized Steel Tube or Steel CZPT with Hot selling

Product Description

Merchandise Description


1.Black square&rectanhgular steel pipe:ERW metal tube

2.Pre-galvanized square&rectangular metal pipe: Pre-galvanized sq./rectangular tube is produced of very hot dipped galvanized metal strip right.

three.Sizzling dipped galvanizedsquare&rectangular metal pipe : Hot dipped galvanized square/rectangular tube owns thicker zinc coating than pre-galvanized sq./rectangular tube. Black tubes will be dipped into zinc pool for galvanizing.

four.Electro galvanized square&rectangular steel pipe : The technological innovation of electro galvanized square/rectangular tube is equivalent to very hot dipped galvanized tube, but the thickness of zinc coating is less than scorching dipped galvanized tube.

5.Painted square&rectangular steel pipe:Painted square/rectangular to eliminate the rust and clear the oil initial and then paint the necessary color paint. 

Standard:GB/T6728:2002,ASTMA500,JIS G3466,EN15710,EN15719 
Metal Quality:
GB/T6728:2002 : Q195 , Q235 , Q345 
ASTM A500:GR. A , GR. B, GR. C , GR. D
JIS G3466 : SS440,SS540

Sq. & rectangular steel tube :  The measurement can be dependent on your necessity to personalized.

Name Size Wall Thickness Duration
mm mm m
Square tube 10×10-500×500 .6-25. 1-12m
Rectangular tube 20×10-200×400 .7-thirteen. one-12m

Comprehensive Photos

Pre – galvanized pipe: pre-galvanized pipe is made of hot dipped galvanized steel strip immediately .Utilization: Used for low force liquid shipping, these kinds of as water, gas, and oil,fence,conduit,inexperienced property and so forth.Standard: GB/T3091 – 2001 ,BS1387 – 1985 , DIN EN10571 ,EN15719 , JIS G3444:2004 , ASTM A53. Steel Grade: GB/T3091 – 2001:Q195 , Q235 BS1387 – 1985 , DIN EN10571 EN15719 :S235JRJIS G3444:2004:STK400 ASTM A53: GR. A , GR. B


Packaging & Transport


Company Profile

HangZhou DACHU Targeted traffic Amenities Co., Ltd is a professional maker for Freeway guardrails. The firm is positioned in the intersection of ZheJiang -Hong Kong-Macao Highway, ZheJiang -HangZhou Freeway and State Street 318, Xihu (West Lake) Dis. District, HangZhou Town,  ZheJiang province, China. The place is sitting on the only “cross of gold” financial geography middle, which has a unique and practical transportation condition.

Our firm has superior manufacturing equipments, powerful complex pressure, scientific craft method, ideal top quality inspection program. The company is largely engaged in visitors engineering merchandise including roadway W-Beam Guardrail, put up, deter block, Post caps, bracket, gasket, bolt, top stop and so on. We are the very first manufacturer and large creation foundation who specialised in production street targeted traffic safety facilities W-Beam Guardrail and other relevant merchandise in central China. Our company adheres to the business approach ‘Forge In advance in Unity, Integrity and CZPT positioning’, and always adheres to the service notion ‘Basing on Sincerity, Good quality at First’. 

Our company eyesight is: ‘W-Beam Guardrail’ as a carrier to develop a safe, easy and harmonious targeted traffic setting for society.



Q: Are you trading company or guardrail manufacturing unit?
A: We are guardrail producer with 2 huge factories,welcome browsing.

Q: Can you do the official take a look at for the guardrail buy, which authoritative firm is advocate?
A: Yes, the test for guardrail purchase can be arranged as for each prerequisite, SGS examination is advised, and we could even do the test in the title of your firm. 

Q: Can you ship us samples ahead of we spot the guardrail buy, and how to charge it ?
A. Sure, we could send you guardrail samples for totally free, you just need to have to shell out the postage price.  

Synchronous motors operate at a pace that is synchronous with the frequency of the mains existing. This means that in the continual-state of the motor, the rotation of the shaft is synchronized with the frequency of the offer existing. The period of rotation of the shaft is equivalent to the variety of AC cycles. The stator of a synchronous motor has polyphase AC electromagnets. These electromagnets produce a magnetic field that rotates in synchrony with the existing in the wire. The rotor equipped with long term magnets or electromagnets rotates synchronously with the stator magnetic discipline to form the second synchronous rotating magnetic area of the AC motor.
An AC motor is a typical type of electric motor that is driven by alternating existing. As the most efficient useful motors for every day industrial programs (as effectively as hobbyist assignments, home products, and all other professional tools and consumer items), AC motors provide a fairly effective technique of making mechanical power from a easy electrical enter signal.

China high quality Galvanized Steel Tube or Steel CZPT     with Hot selling