Industrial Seamless Carbon Steel Pipes: Schedule 40 and API 5L Standards
Explore the ultimate guide to SMLS and Schedule 40 carbon steel pipes. Learn about API 5L standards, quality verification, and maintenance for bulk industrial exports.
Size: OD: 219.1mm ~ 3500mm; WT: 6mm ~ 25mm (Up to 1”); LENGTH: 6mtr ~ 18mtr, SRL, DRL
Standard & Grade: ASTM A53 Grade A/B/C, ASTM A252,GR.1/2/3,AWWA C200,API 5L,PSL1,PSL2,GR.B/X42-X80
Ends: Plain ends /Beveled / Threaded ends
Usage: Used for low-pressure liquid delivery, such as water, gas, and oil.
Surface Treatment: Bare, Black Vanish, 3LPE, FBE, Epoxy Liquid, Galvanized
As a premier manufacturer with four decades of experience in the steel pipe industry, we specialize in producing high-quality SSAW (Spiral Submerged Arc Welded) steel pipes. Designed to meet the rigorous demands of water transmission, oil and gas piping, and structural piling, our pipes combine structural integrity with cost-efficient production.
Understanding that precision is paramount in industrial applications, we offer a comprehensive range of specifications tailored to international standards.
| Feature | Specification Details |
| Outside Diameter (OD) | 219mm – 3020mm (8″ – 120″) |
| Wall Thickness (WT) | 5.0mm – 25.4mm |
| Length | 6m – 12m, or customized up to 30m for piling projects |
| Quality Standard | ASTM A53 Grade A/B/C, ASTM A252,GR.1/2/3,AWWA C200,API 5L,PSL1,PSL2,GR.B/X42-X80 |
| End Finish | Square Cut, Beveled Ends, or Flanged |
| Surface Treatment | Bare, Black Vanish, 3LPE, FBE, Epoxy Liquid, Galvanized |
Our SSAW steel pipes serve as the backbone for critical infrastructure across the globe:
(Click here to know Differences Between SSAW, LSAW and ERW Steel Pipe)
In an industry where reliability is everything, our tenure speaks for itself.
We don’t just claim quality; we prove it. Every pipe undergoes a battery of tests in our CNAS-accredited lab:
100% X-Ray Testing: Ensuring weld seam integrity.
Hydrostatic Testing: Every pipe is pressure-tested to eliminate leakage risks.
Ultrasonic Inspection: Detecting internal flaws that the naked eye cannot see.
Mechanical & Chemical Analysis: Verifying raw material compliance.
With 40 years of scaling, we operate multiple production lines capable of handling high-volume orders without compromising on delivery timelines.
From 3LPE to internal epoxy linings, we provide one-stop surface protection solutions to extend the service life of your pipes in corrosive environments.
To provide you with an accurate quote and technical assessment, please specify the following in your inquiry:
Don’t settle for a middleman. Work directly with a factory that has navigated the evolution of the steel industry for 40 years. Our engineering team is ready to provide technical consultations and competitive factory-direct pricing.
The steel pipe fitting and steel pipes range delivers performance, safety capabilities, and long-term durability for buildings from residential homes to industrial plants and commercial properties. From water to gas lines, our fittings support essential flow systems precisely.
As leading pipes and fittings manufacturers, we understand the importance of consistent quality, ISO 9001:2015, and innovation in every application.
At JSFITTINGS, we believe that excellent infrastructure starts with dependable materials. As one of the leading pipe and fittings manufacturers, we supply high-quality steel pipes and fittings that stand the test of time.
When you choose to contact us, you will love our service
No matter you have rich experience of importing or new in this industry, our team will try the best to make your purchase of steel pipes fast and efficient.
All staff are7x 24 hours online and all your inquiries will be replied within 2 hours.
common size of steel pipes are in stock more than 800 tons, CIF orders will book stand-on vessel first.
Test report, certificates, CO and all customs clearance documents will be replied in time.
Explore the ultimate guide to SMLS and Schedule 40 carbon steel pipes. Learn about API 5L standards, quality verification, and maintenance for bulk industrial exports.
Ensure your bulk carbon steel pipe orders meet API 5L & ASTM standards. Our expert guide covers PSL2 compliance, HIC resistance, and TPI for oil & gas distributors.
Introduction: The Growing Demand for Reliable ERW Steel Pipes Electric Resistance Welded (ERW) steel pipes are the backbone of modern infrastructure, widely used in water
How to choose ASTM A106 & API 5L Seamless Pipes in the Middle East Infrastructure
We will contact you within 2 hours, please pay attention to the email with the suffix “@jsfittings.com” or “@chinajsgj.com”.
