ASME SA 333 GR 6 Structural ERW Steel Pipe
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ASME SA 333 GR 6 Structural ERW Steel Pipe

ASTM A333 Grade 6 steel pipe is a type of carbon steel pipe conforming to ASTM, ASME, and API standards. This series of pipes includes grades 1 to 11, with sizes ranging from 0.5 inches to 36 inches. Wall thickness ranges from 3 mm to 12 mm.
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Product Introduction

Carbon steel ASTM A333 ERW steel pipe

ASTM A333 ERW steel pipe is available in both cold-drawn and cold-rolled types. In addition, there are seamless steel pipes, welded steel pipes, ERW steel pipes, and machined steel pipes. Seamless steel pipes are drawn from a single steel billet, while the ASTM A333 Grade 6 welded steel pipe specification stipulates that the same grade of steel strip or plate must be used for welding. The pipe shape is usually round or hydraulic. These carbon steel pipes are used for long-distance oil and gas pipelines. Carbon steel ASTM A333 ERW pipe has high strength, with a minimum tensile strength of 415 MPa and a minimum yield strength of 240 MPa. This material is widely used due to its excellent toughness and wear resistance. Carbon steel possesses the mechanical properties required for pipelines. ASTM A333 GR.6 carbon steel square pipe is also available, but its applications differ.

ERW Steel Pipe

Thickness List of Carbon Steel ASTM A333 ERW Pipe

ASTM A333 Grade 6 Pipe Types Out diameter Wall thickness Length
A333 Grade 6 Seamless Pipe (Custom Sizes) 1/2" NB – 60" NB SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 Custom
Welding A333 Grade 6 Pipe (in Stock + Custom Sizes) 1/2" NB – 24" NB As per requirement Custom
ASTM A333 Grade 6 ERW Pipe (Custom Sizes) 1/2" NB – 24" NB As per requirement Custom
ASTM A333 Grade 6 SAW Pipe 16" NB – 100" NB As per requirement Custom

Tolerance Chart of ASTM A333 Carbon Steel GR.6 Pipe

Outside Diameter, inch Tolerance, %
1/8≤OD≤2-1/2 +20.0/-12.5
3≤OD≤18, WT/OD≤5% +22.5/-12.5
3≤OD≤18, WT/OD>5% +15.0/-12.5
OD≥20, WT/OD≤5% +22.5/-12.5
OD≥20, WT/OD>5% +15.0/-12.5

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We are a steel export trading company professionally audited by SGS. Leveraging stable supply chain resources and an international business team, we specialize in the cross-border supply of structural pipes, galvanized pipes, fluid pipes, and other products. We have established solid partnerships with clients in multiple regions worldwide, committed to providing the international market with standard-compliant certified steel products and efficient, reliable export services.

ERW Steel Pipe

ERW Steel Pipe

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