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100% Original 4140 Seamless Tubing - Seamless square pipe welded square pipe carbon steel square pipe mechanical pipe – Huayi

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Being supported by an highly developed and specialist IT team, we could give technical support on pre-sales & after-sales service for Square Bar Steel Sizes, Carbon Seamless Steel Tube, Stainless Steel Strip Coil, our products have good reputation from the world as its most competive price and our most advantage of after-sale service to the clients。
100% Original 4140 Seamless Tubing - Seamless square pipe welded square pipe carbon steel square pipe mechanical pipe – Huayi Detail:

Product Description

The allowable deviation of the wall thickness of square pipe shall not exceed plus or minus 10% of the nominal wall thickness when the wall thickness is not greater than 10mm, and plus or minus 8% of the wall thickness when the wall thickness is greater than 10mm, except for the wall thickness of corner and weld area. The normal delivery length of square rectangular pipe is 4000mm-12000mm, mostly 6000mm and 12000mm. The rectangular tube is allowed to deliver short and non fixed length products not less than 2000mm, or in the form of interface tube, but the Demander shall cut off the interface tube when using it. The weight of short length and non fixed length products shall not exceed 5% of the total delivery volume, and for square moment tubes with theoretical weight greater than 20kg / m, it shall not exceed 10% of the total delivery volume. The bending degree of square rectangular pipe shall not be greater than 2mm per meter, and the total bending degree shall not be greater than 0.2% of the total length.

Product Parameter

Standerd GB ASTM ASME JIS DIN
Steel pipe grade 20 45 Q345 40cr 42crmo A53 SA53 ST35E235ST37.4 ST45E255 ST52E3551045 S45C gr.50 5120 5140
Lengh 6/12m
Outer Diameter 10*10-500*500 mm
wall thickness 0.5-30mm
Processing Service Cutting/Bending/Punching or according to the customer’s demand
Surface Galvanized Coated,black painted
Technology Seamless or with seam
Packaging Details Bare packing/wooden case /waterproof cloth
Terms of Payment T/T L/C at sight
20 feet container contains dimension Length under 6000mm/25T
40 feet container contains dimension Length under 12000mm/27T

 

Samples Free samples are provided but the freight is paid by the buyer
Min order 5 Ton

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Processing Services

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Advantage

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Our company has a large number of inventory, can meet your needs in time.

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provide relevant information in time according to the customer’s demand to ensure the quantity and quality of products.

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Relying on the country’s largest steel market, one-stop with all the products you need to save costs for you.

Product Application

For engineering construction, glass curtain wall, door and window decoration, steel structure, guardrail, machinery manufacturing, automobile manufacturing, household appliance manufacturing, shipbuilding, container manufacturing, electric power, agricultural construction, agricultural greenhouse, bicycle frame, motorcycle frame, shelf, fitness equipment, leisure and tourism products, steel furniture, various specifications of oil casing, oil pipe and pipeline pipe, water, gas, sewage Air, heating and other fluid transportation, fire fighting and support, construction industry, etc.

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Our primary purpose is to give our shoppers a serious and responsible company relationship, giving personalized attention to all of them for 100% Original 4140 Seamless Tubing - Seamless square pipe welded square pipe carbon steel square pipe mechanical pipe – Huayi, The product will supply to all over the world, such as: Kuala Lumpur, Macedonia, Luxemburg, Our company has already had a lot of top factories and professional technology teams in China, offering the best products, techniques and services to worldwide customers. Honesty is our principle, professional operation is our work, service is our goal, and customers' satisfaction is our future!
  • The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
    5 Stars By Nicola from Azerbaijan - 2017.04.28 15:45
    Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Page from Cologne - 2018.12.11 11:26

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