A691 CM75 Alloy Welded Steel Pipe
GNEE is the manufacturer, supplier and exporter of A691 CM75 Welded Steel Pipes and Tubes which are manufactured from high quality raw material. GNEE products are designed in accordance with major international standards and are sold in many countries around the world.
What is the difference between A691 CM75 alloy pipe and A691 CM70 welded pipe?
A691 CM75 alloy steel pipe is a low alloy steel pipe similar to A691 CM70 steel pipe. The main differences lie in their elemental composition and mechanical property requirements. Specifically, the A691 CM75 low alloy welded pipe has higher contents of carbon, chromium, cobalt and other elements, while the molybdenum content is lower.
In addition, A691 CM 75 high temperature welded pipe has excellent welding quality, making it easier to form welds with high precision and detail.
A691 CM 75 straight seam welded pipe has excellent strength, toughness, hardness, hardenability, wear resistance, corrosion resistance and thermal hardness, so it can be used in high-temperature and high-pressure pipelines, boilers, pressure vessels and other fields with higher requirements.
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ASTM A691 Specifications
| Type | ASTM A691 1-1/4CR, 2-1/4CR, 5CR, 9CR, 91,CM75 LSAW / SAW / EFW PIPE | |
|---|---|---|
| Grades | 1-1/4CR, 2-1/4CR, 5CR, 9CR, 9, P5, P9, P11, P12, P22, P91 | |
| ASTM A691 | Standard Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures | |
| Class Designation | Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 63, 70, 71, 72, 73.. | |
| Size |
Size |
Seamless 17-914mm 3/8-36 inch LSAW 457-1422mm 18-56 inch |
| Wall Thickness | 2-60mm SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80 SCH100 SCH120 SCH140 SCH160 XXS | |
| Length | Single random length/Double random length 5m-14m,5.8m,6m,10m-12m,12m or as customer's actual request | |
| Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc | |
| Surface Treatment | Bare,Painting black,varnished,galvanized,anti-corrosion PE PP/EP/FBE coating | |
| Technical Methods | Hot-rolled/Cold-drawn/Hot-expanded | |
| Testing Methods | Eddy current testing, Hydrostatic testing or Ultrasonic examination, NDT and also with chemical and physical property inspection | |
| Packaging | Small pipes in bundles with strong steel strips,large pieces in loose; Covered with plastic woven bags; Suitable for lifting operation; Loaded in 40ft or 20ft container or in bulkAlso according to customer's requests | |
| Application | Conveying oil, gas and water | |
| MOQ | 1 ton | |
| Production Capacity | 5000 T/M | |
| Delivery Time | Within 2 Weeks | |
A691 CM75 High temperature tube Heat treatment
| Pipe grade | ASTM Specification | Post-weld heat treat temperature range (stress relieving), °F (°C) | Normalizing temperature, max unless otherwise noted, °F (°C) | Quenching temperature, max unless otherwise noted, °F (°C) | Tempering temperature, min, °F (°C) |
| CM-75 | A204/A204M | 1100-1200 (590-650) | 1700 (925) | … | … |
A691 CM75 alloy steel tube
Why choose us
Gnee company covers an area of 35,000 square meters and has more than 200 employees, including 80 technical staff. We have established an effective and complete quality control and assurance system. The company has also obtained ISO9001 quality system certification.
Gnee Company products
FAQ
1. One-stop solution
We have thousands of total production experiences from raw materials to finished products.
2. Competitive price
Large-scale procurement, standardized production processes and efficient management make our prices competitive.
3.Fast shipping
Years of export experience enable us to control shipping time more accurately.
4.Quality control
Standardized production process, perfect management system, professional testing equipment, special material customization
5. You can get samples before ordering
Usually our samples are free. We can produce according to your samples or technical drawings. We can manufacture molds and fixtures.
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