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ASTM A334 Grade 8 Welded Carbon and Alloy-Steel Tubes/pipes

ASTM A334 Grade 8 Welded Carbon and Alloy-Steel Tubes/pipes

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Company Shanghai Katalor Enterprises Co., Ltd
Categories Alloy Steel Seamless Pipe
Update 2016-09-23 10:29:39
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ASTM A334 Grade 8 Welded Carbon and Alloy-Steel Tubes/pipes

2015-02-06 14:17:35
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ASTM A334 Grade 8 Welded Carbon and Alloy-Steel Tubes/pipes

A334 Standard Specification for Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Service.

ASTM A334 Grade 8 specification covers several grades of minimum wall-thickness, seamless and welded, carbon and alloy-steel tubes intended for use at low temperatures. Some product sizes may not be available under this specification because heavier wall thicknesses have an adverse affect on low-temperature impact properties.

ASTM A334 Grade 8 carbon steel pipe/tube chemical composition

ElementCarbon, maxManganesePhosphorus, maxSulfur, maxSiliconNickelChromiumCopperAluminum
Grade 80.130.90max0.0250.0250.130.328.409.60


A334 Grade 8 Welded Carbon and Alloy-Steel Tubes/pipes mechanical properties

Grade 8
ksiMPa
Tensile Strength, min100690
Yield Strength, min75520
Elongation in 2 in. or 50 mm (or 4D), min, %:
Basic minimum elongation for walls 5 / 16 in. [8 mm] and over in thickness, strip tests, and for all small sizes tested in full section22
When standard round 2-in. or 50 mm gage length or proportionally smaller size specimen with the gage length equal to 4D(4 times the diameter) is used16
For strip tests, a deduction for each 1 / 32 in. [0.8 mm] decrease in wall thickness below 5 / 16 in. [8 mm] from the basic minimum elongation of the following percentage Points1.25B


A Elongation of Grade 11 is for all walls and for small sizes tested in full section.
B The following table gives the calculated minimum values

The size of ASTM A334 Grade 8 carbon and alloy welded pipe/tube
ERW; outer diameter:21.3-660mm thickness:6-25mm
LSAW; outer diameter:325-1524mm thickness:6-50mm
SSAW: outer diameter:219-3200mm thickness:5-25mm

Katalor Is the ASTM A334 Grade 8 steel pipe distributor and stockist,In addition,we have Machining equipment for steel pipe deep processing, we focus on seamless steel pipe(Line pipe,Pipe for structures,Boiler Pipe,Pipe for conveyance of fluid), Welded steel pipe (general welded circular tube,square tube,Rectangular tube).
As a ASTM A334 Grade 8 carbon and alloy welded pipe/tube Manufacturer, has advanced production equipment and a professional working team. We also have strict implementation of quality management system, so we can offer the ASTM A334 Grade 8 carbon and alloy welded pipe/tube in high quality and best processing service.

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ASTM A334 Grade 8 Welded Carbon and Alloy-Steel Tubes/pipes Images

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