ASTM A512 Introduction
ASTM A512 mechanical tube is a low-carbon steel precision tube produced according to the American Society for Testing and Materials (ASTM) A512 standard. It is commonly used in the manufacture of automotive bushings, hydraulic cylinders, drive shafts and other parts that require high load-bearing capacity and dimensional accuracy.
ASTM A512 Advantages
High Dimensional Precision
ASTM A512 mechanical tube utilizes a cold-drawing process and rigorous dimensional inspection during production, ensuring inner and outer diameter tolerances within ±0.05mm and wall thickness tolerances within ±5%, ensuring superior compatibility with other components during assembly.
High Strength
This mechanical tube is made of high-quality carbon steel and undergoes standardized heat treatment, achieving a tensile strength of ≥415 MPa and a yield strength of ≥275 MPa, and can withstand ton-level pressure over long periods without deformation or cracking.
Smooth Surface
ASTM A512 mechanical tube is cold-drawn and polished, achieving an inner and outer surface finish of Ra1.6μm or less, with virtually no visible scratches or oxide layers. This smooth surface helps reduce fluid friction and lowers pump energy consumption.
ASTM A512 Specification
ASTM A512 covers cold-drawn carbon steel tubes for use in mechanical purposes.
Grades:MT1010,MT1015,MT1020...
OD sizes: ranging from 1/4 inch to 3-1/2 inch.
WT size:ranging from 0.035 to 0.500 in.
Applications: Axles, truck and railroad parts, and many more where weight-to-strength ratio and tolerances are important.
Heat Treatment: ASTM A512 tubing product is supplied in as-drawn, normalized, stress relieved, or annealed condition.
ASTM A512 Chemical Composition
FAQ
Q: What is the typical production lead time for ASTM A512 mechanical tubing?
A: Typically, standard stock specifications can be shipped within 3–5 business days of order receipt. Custom sizes, lengths, or surface treatments require a production lead time of 10–20 business days, depending on order quantity and process requirements.
Q: What payment methods do you accept for ASTM A512 mechanical tubing?
A: We support a variety of common international trade payment methods, including wire transfer (T/T), letter of credit (L/C), and, in some cases, PayPal or Western Union, making it convenient for customers in different regions to choose the appropriate payment channel.
Q: What quality certification documents are provided upon shipment?
A: Each batch of ASTM A512 mechanical tubing comes with a Material Certificate (MTC), a dimensional inspection report, and chemical composition and mechanical property test data in accordance with the ASTM A512 standard.
Q: What packaging options are available?
A: Typically, the pipe is treated with anti-rust oil, then covered with plastic film and secured to a wooden box or steel frame with steel straps. For export, we can provide fumigated wooden boxes that meet seaworthy standards.
Q: Does it comply with the relevant standards or certification requirements of the destination country?
A: Our ASTM A512 mechanical pipe can be supplied with import-compliant products and test reports based on the requirements of the customer's country. We can also assist with third-party testing or certification (such as SGS and BV).
Hainan Yuan Steel Pipe Supply Chain Co., Ltd is the top steel pipe stockist and distributor in China. Generally we hold steel pipe stock of at least 15000 tons per months with a sales about 30000 tons per month. In view of the special steel trade system in China, we are a major player in Chinese Steel market.
Your specific inquiry of ASTM A512 Mechanical Tubes is highly appreciated.
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