API 5L Psl1/2/ASTM A53/A106 Gr.B/JIS DIN/A179/A192/A333 X42/X52/X56/X60/65 X70 Stainless/Black/Galvanized/Round Square Grooved Seamless/Welded Carbon Steel Pipe

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Product Description

Seamless Steel Pipe Banner
📋 Basic Information
Type
Seamless
Technique
Hot Rolled
Material
Carbon Steel
Surface Treatment
Black
Section Shape
Round
Origin
China
Transport Package
Packed in Bundle or Wooden Box
Production Capacity
200,000 Tons
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
⚙️ Product Description

Seamless steel pipe with hollow section is extensively used for conveying fluid pipelines, such as oil, natural gas, gas, water, and some solid material pipelines.

Compared to solid steel like round steel, seamless steel pipe is lighter in weight while maintaining the same bending and torsional strength. It is an economic cross-section steel widely used in the manufacture of structural and mechanical parts, such as petroleum drill pipes, auto transmission shafts, bicycle frames, and steel scaffolding used in construction. Its use improves material utilization, simplifies manufacturing processes, and saves material and processing time.

📏 Specifications & Standards

ASTM Standards for Seamless Steel Pipe

Executive Standard Grade / Material Product Name
ASTM A53A, BBlack and Hot-Dipped Zinc-Coated Steel Pipes Welded and Seamless
ASTM A106A, BSeamless Carbon Steel for High Temperature Service
ASTM A179Low Carbon SteelSeamless Cold-Drawn Heat Exchanger and Condenser Tubes
ASTM A192Low Carbon SteelSeamless Carbon Steel Boiler Tubes for High Pressure
ASTM A210A1, CSeamless Medium-Carbon and Alloy Steel Boiler and Superheater Tubes
ASTM A213T5, T11, T12, T22, TP 347HSeamless Ferritic and Austenitic Alloy Steel Boiler and Heat Exchanger Tubes
ASTM A312TP304/304L, TP316/316LSeamless Steel Pipe for Stainless Materials
ASTM A333Gr.6Seamless and Welded Steel Pipe for Low-Temperature Service
ASTM A335P9, P11, P22Seamless Ferritic Alloy Steel Pipe for High-Temperature Service
ASTM A5194130, 4140Seamless Carbon and Alloy Steel for Mechanical Tubing

API Standards for Seamless Steel Pipe

Executive Standard Grade / Material Product Name
API Spec 5CTJ55, K55, N80, L80, C90, C95, T95, P110, M65Specification for Casing and Tubing
API Spec 5L PSL1 / PSL2A, B, X42, X46, X52, X56, X60, X65, X70Specification for Line Pipe
Size Range:
OD: 13.72 mm - 914.4 mm
WT: 1.65 mm - 22 mm
Length: 0.5 m - 20 m
🧪 Chemical Composition & Mechanical Properties
Standard Grade C Mn P S Tensile (min) Yield (min)
API 5L PSL1B0.281.200.0300.030414 Mpa241 Mpa
API 5L PSL1X420.281.300.0300.030414 Mpa290 Mpa
API 5L PSL1X520.281.400.0300.030455 Mpa359 Mpa
API 5L PSL1X600.281.400.0300.030517 Mpa414 Mpa
API 5L PSL1X700.281.400.0300.030565 Mpa483 Mpa
🏗️ Project & Factory Display
Coating Project
Factory Facility
Experimental Equipment
Team Cooperation
End Users
Our Advantages
  • 🔹 Full project references worldwide from major Oil and Gas institutes.
  • 🔹 Comprehensive inspection programs and documentation support.
  • 🔹 Provision of advanced producing and inspection equipment lists.
  • 🔹 Third-party inspection reports, Mill test certifications, and custom letters.
  • 🔹 Certifications including API monogram, ISO 9001, ISO 14001, and OHSAS 18001.
  • 🔹 Competitive pricing levels and engineering design capacities.
  • 🔹 Flexible financial supports and payment terms (L/C, T/T).
Frequently Asked Questions
How long is your delivery time?
It depends on the pipe size and quantity. Generally, it is 7-10 days for stocked steel pipe and 20-40 days for new production.
Do you provide samples? Is it free or extra?
Yes, we can offer free steel pipe samples for your evaluation.
What are your terms of payment?
We accept TT, TT+LC, or 100% sight LC and usance L/C for 30-120 days. Specific terms can be addressed through further discussion.
What coating services do you offer?
We provide three-layer PE and FBE anticorrosion, epoxy asphalt anticorrosion, internal/external plastic coating, and cement mortar lining.
Which standards do your pipes comply with?
Our products meet international standards including API 5L, ASTM A53, A106, A179, A192, and various EN/DIN specifications.
What is your annual production capacity?
Our annual anticorrosion production capacity reaches 18 million square meters, with an overall steel pipe capacity of 200,000 tons.

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