Supply Grade:201/202/301/302/303/304/304L/304H/304N/305/309/309S/310S/316/316LSupply Standard:ASTMA312,A213,A376,A789,A790,A376,A249,EN10217-7-2005,GB14976 2002,GB13296-2009, JIS G3459-2004,JIS3463-2006

Building materials spiral welded steel pipeProduct namebuilding materials spiral welded steel pipe/large diameter ssaw steel pipeW.T5-30mmLength6m,12m or as per customers' requestSurface1.Galvanized2.Black Painted or varnish painted3.With oil4.Bared or as customers 'requirementMaterialQ195,Q235,Q345B,16Mn,St37,St52,St35,SS400,S235JR,S355JRStandardAPI 5L,...

Generally it is 15-20 days if the goods are in stock. or it is 20-30 days if the goods are not in stock, also according to the quantity.

we could offer the sample for free charge but do not pay the cost of freight.

1.Payment=1000USD, 30% T/T in advance ,balance before shippment.2.If you have any other questions, pls feel free to contact us.

1.We can promise that our products are high quality and they can 100% meet your demand,2.we have many certifications also.3.We strongly suggest our customers that using the alibaba assurance order service when we make a deal,because it can save much time and safer for you and us.

1.Visit Our factory is the best way to know each other more.2.ISO9001:2008 by international quality system Certificate and The Third Inspection can prove our quality.3.We will attach some relevant photos via email so show our factory, machine and products for you.

1. Firstly, we are a 11 years factory, our price is competitive and our quality is the NO.1. 2.Then we do some special service for export: Thread, Oil Coating, Groovy.3.Standard Export Packing, Hydraulic Pressure, Automatic painting, stamping, 4.Steel material and various physics and chemistry property, zinc ingot element testing service. etc.