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4140 alloy seamless steel tubing
4140 alloy seamless steel tubing is a kind of high strength, high wear resistance steel pipe, also known as CrMo alloy steel pipe. It has excellent mechanical properties, high yield strength and tensile strength, and excellent wear resistance. Therefore, it is widely used in machining, manufacturing industry, automobile, aviation, petrochemical, construction and other fields.
We strictly implement the ISO9001:2000 quality system standard in the production process to ensure that each 4140 steel pipe quality is stable, safe and reliable. We use the most advanced production equipment and technology, through precision machining, heat treatment and other links, to achieve higher precision and quality requirements.
In addition to quality assurance, we also focus on providing better service to our customers. Our team of engineers and sales representatives with many years of experience can help customers choose the most suitable products and provide them with quick response and comprehensive support.
The standard is listed below
ASTM4140 SCM440 42CRMO4 1.7725 alloy seamless steel pipe.
42CrMo steel belongs to ultra high strength steel, with high strength and toughness, hardenability is also good.
technical parameters
| - | C: | Si: | Mn： | S: | p: | Cr： | Ni: | Cu: | Mo: |
| Chemical component | 0.38-0.45% | 0.17-0.37% | 050-0.80 | ≤0.35% | ≤0.35% | 0.90-1.20% | ≤0.30% | ≤0.30% | 0.15-0.25% |
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Mechanical property |
Tensile strength σ b/MPa) :≥1080 Yield strength ( σ s/MPa):≥930← Elongation ( δ 5/%) :≥12← |
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Products feature
Our 4140 alloy seamless steel pipe offers the following advantages:
1.High strength and durability - The use of high-quality steel raw materials for production, to ensure the high strength and durability of the steel pipe.
2. Excellent corrosion resistance - Our steel pipes have been carefully treated to ensure that they have excellent corrosion resistance and can maintain their properties during long-term use.
3. High precision - We use advanced production technology and equipment for production, and carry out many fine processing of the product to ensure the high precision of the product.
4. Uniform stripes - Our steel pipe has been treated with professional production technology to ensure that its outer surface stripes are uniform and beautiful.
Our company is committed to the production of high-quality steel pipe products, and in strict accordance with international standards to ensure product quality and performance. We always put the needs of customers in the first place, through positive service to provide customers with high-quality steel pipe products.
Stock tube
Product Quality Assurance
We control the quality of every detail and provide you with quality service.
1: Strict selection of high-quality steel raw materials that meet the standards, and upper materials forging upper products.
2: Strictly control the production of steel products during the forging and casting process. Don't take small things for granted, and achieve true quality control.
3: Strictly control each link of product sampling test, keep improving, and select quality.
4: In strict accordance with international standards
Our Service
As the market demand for Building Materials Round Black AISI 4140 Alloy Steel Tube continues to grow, our company continues to develop more valuable products. Over the years, our company has always put all the strength of the enterprise into the field of technology, and successively introduced the latest technology from overseas. With the aim of stable product quality and fast service, our company wholeheartedly provides customers with high-quality products and perfect services. We sincerely hope your participation and support!