Shandong Weichuan Metal Prodducts Co., Ltd.

Supply OEM CS ASTM A333 GR.6 seamless steel pipe and tube

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Also known as square and rectangular cold-formed hollow section steel, referred to as square tube and rectangular tube, code names are f and j respectively.


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Gaining client pleasure is our company’s aim without end. We are going to make excellent efforts to create new and top-quality goods, meet your special requirements and provide you with pre-sale, on-sale and after-sale companies for Supply OEM CS ASTM A333 GR.6 seamless steel pipe and tube, We always welcome new and old customers presents us with valuable advice and proposals for cooperation, let us grow and develop together, and to contribute to our community and staff!
Gaining client pleasure is our company’s aim without end. We are going to make excellent efforts to create new and top-quality goods, meet your special requirements and provide you with pre-sale, on-sale and after-sale companies for , We give good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We are going to produce the goods according to your request. If you are interested in any items we offer you, you should feel free to contact us directly by mail, fax, telephone or internet. We’ve been here to answer your questions from Monday to Saturday and looking forward to cooperating with you.
1. 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.

2. 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.

Square tube1

3. 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
Application fields of square tube: it is widely used in machinery manufacturing, construction industry, metallurgical industry, agricultural vehicles, agricultural greenhouses, automobile industry, railway, highway guardrails, container skeleton, furniture, decoration and steel structure.

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.

GB / t6728-2002, GB / t6725-2002, gbt3094-2000, JG 178-2005, ASTM A500, JIS g3466, en10210 or technical agreement.

GB / t3094-2000 (national standard) cold pressed special-shaped rectangular pipe

GB / t6728-2002 (national standard) cold formed hollow section steel for structure

ASTM A500 (American Standard) carbon steel Cold-Formed Welded rectangular tubes and seamless rectangular tubes with round and special-shaped sections for structure

En10219-1-2006 (European standard) cold formed welded hollow structural sections of non alloy and fine grain

JIS g 3466 (Japanese standard) angular rectangular pipe for general construction

Gaining client pleasure is our company’s aim without end. We are going to make excellent efforts to create new and top-quality goods, meet your special requirements and provide you with pre-sale, on-sale and after-sale companies for Supply OEM CS ASTM A333 GR.6 seamless steel pipe and tube, We always welcome new and old customers presents us with valuable advice and proposals for cooperation, let us grow and develop together, and to contribute to our community and staff!
Supply OEM , We give good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We are going to produce the goods according to your request. If you are interested in any items we offer you, you should feel free to contact us directly by mail, fax, telephone or internet. We’ve been here to answer your questions from Monday to Saturday and looking forward to cooperating with you.


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