Brand Name: | TORICH |
Model Number: | ASTM A984 Gr.35 |
MOQ: | 1 Ton |
Price: | Negotiable |
Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Supply Ability: | 60000 Ton/Tons per Year |
ASTM A984 is a specification that covers electric-resistance-welded (ERW) steel tubes used in various applications, particularly in construction and building materials. This specification includes several grades, each with distinct mechanical properties and chemical compositions. This article provides an overview of the specifications, chemical compositions, mechanical properties, and applications of ASTM A984 welded steel tubes.
ASTM A984 outlines the requirements for electric-resistance-welded steel tubes, including dimensions, tolerances, and testing methods. The specification is applicable to round, square, and rectangular tubes, which are commonly used in structural applications.
The following table presents the chemical composition for different grades of ASTM A984 welded steel tubes:
Grade | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) |
---|---|---|---|---|---|---|---|---|
Gr.35 | 0.18 max | 1.00 max | 0.04 max | 0.05 max | 0.40 max | 0.25 max | 0.25 max | 0.10 max |
Gr.50 | 0.20 max | 1.20 max | 0.04 max | 0.05 max | 0.40 max | 0.30 max | 0.30 max | 0.10 max |
Gr.60 | 0.23 max | 1.30 max | 0.04 max | 0.05 max | 0.40 max | 0.35 max | 0.35 max | 0.10 max |
Gr.70 | 0.25 max | 1.40 max | 0.04 max | 0.05 max | 0.40 max | 0.40 max | 0.40 max | 0.10 max |
Gr.80 | 0.28 max | 1.50 max | 0.04 max | 0.05 max | 0.40 max | 0.45 max | 0.45 max | 0.10 max |
The following table summarizes the mechanical properties for different grades of ASTM A984 welded steel tubes:
Grade | Yield Strength (ksi) | Tensile Strength (ksi) | Elongation (%) | Hardness (Rockwell B) |
---|---|---|---|---|
Gr.35 | 35 | 55-75 | 20 | 70-85 |
Gr.50 | 50 | 65-85 | 20 | 70-85 |
Gr.60 | 60 | 70-90 | 20 | 70-85 |
Gr.70 | 70 | 75-95 | 20 | 70-85 |
Gr.80 | 80 | 85-105 | 20 | 70-85 |
ASTM A984 welded steel tubes are widely used in various applications, including:
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
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