Product Description
Our black stainless steel pipe makes its mark in the market thanks to unbeatable durability and a polished, professional look-built to fit right into industrial setups, construction projects, and plumbing systems alike. Every pipe is made with careful attention to detail, pairing stainless steel's natural resistance to rust with a tough black coating. That means it holds up well, even when used in rough, demanding conditions. Whether you need it for structural support or moving fluids, this black stainless steel pipe delivers the consistent reliability our customers count on.
Superior Corrosion Resistance: The stainless steel base material paired with the black protective coating prevents rust and degradation, extending service life.
Strong Mechanical Performance: High tensile strength and impact resistance make it suitable for heavy-duty applications.
Aesthetic & Functional: The matte black finish adds a modern touch while reducing light reflection, ideal for both industrial and decorative uses.
Easy Installation: Standardized dimensions ensure compatibility with common fittings, simplifying the installation process.
Chemical Composition & Mechanical Properties
|
Element |
304 |
316 |
304L |
316L |
|---|---|---|---|---|
|
C |
≤0.08 |
≤0.08 |
≤0.03 |
≤0.03 |
|
Si |
≤1.00 |
≤1.00 |
≤1.00 |
≤1.00 |
|
Mn |
≤2.00 |
≤2.00 |
≤2.00 |
≤2.00 |
|
Cr |
18.00-20.00 |
16.00-18.00 |
18.00-20.00 |
16.00-18.00 |
|
Ni |
8.00-11.00 |
10.00-14.00 |
8.00-13.00 |
10.00-15.00 |
|
Mo |
-- |
2.00-3.00 |
-- |
2.00-3.00 |
|
P |
≤0.045 |
≤0.045 |
≤0.045 |
≤0.045 |
|
S |
≤0.030 |
≤0.030 |
≤0.030 |
≤0.030 |
|
Property |
304 / 304L |
316 / 316L |
|---|---|---|
|
Tensile Strength (MPa) |
≥515 |
≥515 |
|
Yield Strength (MPa) |
≥205 |
≥205 |
|
Elongation (%) |
≥40 |
≥40 |
|
Hardness (HB) |
≤201 |
≤217 |
Factory Strength
Founded with a focus on metal pipe manufacturing, Jiangsu Cunrui Metal Products Co., Ltd. has grown into a leading enterprise in the industry. Our factory spans an area of over 20,000 square meters, equipped with 8 advanced production lines and a professional team of 200+ employees, including 30+ technical engineers and quality inspectors. We specialize in the production of various stainless steel pipes, with an annual output capacity exceeding 10,000 tons, enabling us to meet large-order requirements efficiently.
Factory Advantages:
Cost-Effective Pricing: As a direct manufacturer, we eliminate middlemen, offering competitive prices without compromising quality. Bulk purchases enjoy additional discounts, making our black stainless steel pipe more cost-efficient for long-term projects.
Comprehensive Testing: We have an independent testing laboratory equipped with advanced instruments to conduct chemical composition analysis, mechanical property testing, and corrosion resistance tests, ensuring every pipe meets standards.
Complete Certifications: Our products hold ISO9001, ASTM, DIN, JIS, and CE certifications, facilitating smooth entry into global markets.
Tariff Avoidance Solution: We cooperate with reliable third-party transshipment agents to help clients avoid or reduce customs duties, optimizing the total procurement cost.
Quality Control & International Standards
Quality is the cornerstone of our development. We strictly follow international standards such as ASTM A312, DIN 17458, and JIS G3459 throughout the production process. From raw material selection (we only source from certified steel mills) to pipe forming, coating, and final inspection, each step is supervised by professional quality control personnel. Defective products are strictly rejected, ensuring the pass rate of our black stainless steel pipe reaches 99.8%.
We hold a full range of certifications and test reports, including material test certificates (MTC), ultrasonic testing reports, and pressure test reports, which can be provided to clients upon request. We warmly welcome clients to visit our factory in Jiangsu, where our team will conduct on-site demonstrations and face-to-face communications to address your concerns. Our after-sales service team is available 24/7: any product issues reported will be responded to within 2 hours, and a solution will be provided within 48 hours, ensuring your peace of mind.
Packaging & Logistics
To ensure the products arrive in perfect condition, we adopt customized packaging solutions: internal plastic caps to protect pipe ends, anti-rust paper wrapping, and outer steel strips or wooden crates for reinforcement. We cooperate with well-known logistics companies (DHL, FedEx, Maersk, COSCO) to provide sea, air, and land transportation options. For bulk orders, we can arrange door-to-door delivery and handle all customs clearance procedures, saving clients time and energy.
Price & Delivery Advantages
Competitive & Transparent Pricing: Our prices are 10-15% lower than the market average for the same quality level, with no hidden costs. We provide detailed quotation breakdowns, ensuring price transparency.
Bulk Purchase Discounts: Orders exceeding 50 tons enjoy a 5% discount, and long-term cooperative clients can get exclusive pricing policies.
Controllable Delivery Time: For standard specifications, the delivery time is 7-10 working days; for customized orders, it is 15-20 working days, which is 30% faster than industry averages. We sign a formal contract to guarantee on-time delivery.
Long-Term Cooperation Partners
Our clients are distributed in over 50 countries and regions, including the United States, Germany, Australia, and Southeast Asia. More than 80% of our clients have established long-term cooperative relationships with us after the first order. This trust stems from our consistent product quality, reliable service, and sincere cooperation attitude. We look forward to becoming your trusted partner in the black stainless steel pipe business.
