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A334 Gr3 Seamless Alloy Pipe
A334 Gr1 Gr3 Gr6 Seamless Alloy Pipe
A334  Gr6 Seamless Alloy Pipe
A334 Gr1 Seamless Alloy Pipe
A334 Gr3 Seamless Alloy Pipe
A334 Gr1 Gr3 Gr6 Seamless Alloy Pipe
A334  Gr6 Seamless Alloy Pipe
A334 Gr1 Seamless Alloy Pipe

A334 Gr1 Gr3 Gr6 Seamless Alloy Pipe

ASTM A334 is a standard specification that covers several grades of seamless and welded carbon and alloy-steel tubes intended for low-temperature service. The grades include Gr1, Gr3, and Gr6.
standard:ASTM
Surface :1. Galvanized 2. Black and Color Painting
introduction
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introduction
ASTM A334 Grade 1 Carbon Steel Pipe is a premium alloy steel pipe that provides excellent resistance to impact and bending stress, ensuring stability under extreme temperature and pressure conditions. This steel pipe contains elements such as manganese, molybdenum and silicon, which significantly improves strength and durability. It is not only corrosion-resistant, but also has good heat treatment properties.
ASTM A334 Grade 1 cryogenic steel pipe has a minimum tensile strength of 380 MPa and a minimum yield strength of 205 MPa, meeting the requirements of various applications. In addition, this steel pipe is available in many different types or grades, including grade 3, grade 4, grade 6, grade 7, grade 8 and grade 9, etc. to meet the needs of different temperature ranges and specific applications.
ASTM A334 carbon steel seamless pipe has a uniform wall thickness up to 3/4 inches, which can meet the needs of use in various harsh low-temperature environments. This kind of steel pipe is widely used in various fields such as oil and gas industry, pressure vessels, boilers, heat exchangers, pump valves, etc. It is an ideal choice for cryogenic pressure pipeline and pressure vessel applications.
Technical Data

Chemical Requirements for ASTM A334 Grade 1 Seamless Tubes

Grade Mfg. Process Chemical composition(%)
C Si Mn P S Ni Cr Mo
Grade 1 S, E, AT 0.30Max - 0.40~1.06 0.05Max 0.60Max - - -
Grade 3 S, E, AT 0.19Max 0.18~0.37 0.31~0.64 0.05Max 0.050Max 3.18-3.82 - -

Tensile Requirements for ASTM A334 Alloy thick wall seamless pipe

Grade Tensile Test MPa or N/mm2 Remaks
(Similar to JIS)
Min Yield point Tensile Strength
Gr. 1 205 380Min Impact Test(J)
2V 18
Gr. 3 240 450Min 2V 18

Specifications:ASTM A 334, ASME SA 334
Size Range:4" NB to 26" NB
Wall Thickness:2.0mm-14 mm
Schedules:20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH & heavier
Type:Seamless / Welded/ Low Temperature
Length:5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on.
Outer Dimensions:6mm-1020mm
Grade:Grade 1,3,6
company advantage
gnee is a professional and honest steel international trading company, which is composed of a group of experienced and enthusiastic staffs, adhering to the concept of "quality and quantity guaranteed". We believe that through our strong sense of commitment, we will be your best choice for providing solutions and solving problems in the steel supply industry.

FAQ
1.Q.How can I place order?
A: You can contact us by email about your order details, or place order on line.
2.Q: What product information do I need to provide?
A: You need to provide the grade, width, thickness, coating and tonnage you need to buy.
3. Q: Do you have quality control system?
A: Yes, we have our own quality control laboratory.Third party testing servicesare also available.





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