SA-213 T24, SA213-T11, SA213-T911, SA213-T92, SA213-T122 Hot Finished Seamless Mechanical Steel Tube

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Product Description

Basic Specifications
Model NO.:
SA213-T911, SA213-T92, SA213-T122
Composition:
Carbon Phosphorus Chromium Molybdenum
Technique:
Hot Rolled
Shape:
Round
Surface:
Polished
Alloy or Not:
Alloy
Thickness:
Sch 10 to Sch Xxs
Origin:
China
Delivery Time:
8-14 Days
Capacity:
300,000 tons/Year
Product Description
Types Application
Structure PurposesGeneral structure and mechanical
Liquid ServicesPetroleum, gas and other fluids conveying
Boiler TubeSteam and boiler manufacturing
Hydraulic PillarHydraulic support systems
Line PipeOil and gas conveying
Drill PipesWell drilling and geological drilling
Heat ExchangersFurnace tubes and heat exchangers
Manufacturing Tolerance
Pipe types Pipe sizes (mm) Tolerances
Hot rolledOD < 50±0.50mm
Hot rolledOD ≥ 50±1%
Hot rolledWT 4 ~ 20+15%, -12.5%
Cold drawnOD 10 ~ 30±0.40mm
Cold drawnWT 1 ~ 3+15%, -10%
Detailed Product Photos
Seamless Steel Tube Photo 1
Seamless Steel Tube Photo 2
Seamless Steel Tube Photo 3
Seamless Steel Tube Photo 4
Seamless Steel Tube Photo 5
Seamless Steel Tube Photo 6
Technical Parameters
Outer Diameter13.7mm - 914mm
Wall Thickness2mm - 120mm
Length2m - 12m (Customizable)
StandardsASME B36.10M, ASTM API 5L, API 5CT, JIS, DIN, GB
Steel GradesASTM A53, A106, A210, A333, A335, SAE1018, SAE1020, SAE1045, ST37, ST52
Surface TreatmentPainted, Oiled, Galvanized, Phosphated
Mechanical Properties
Material Tensile Strength (Mpa) Yield Strength (Mpa) Elongation % Hardness
ASTM 1010 / JIS S10C≥335≥205≥31≤137HB
ASTM 1020 / JIS S20C≥410≥245≥25≤156HB
ASTM 1045 / JIS S45C≥600≥355≥16≤HRC62
Production Capacity & Quality Control

Our facility utilizes advanced hot rolling and cold drawing methods to ensure smooth inner and outer surfaces. We specialize in producing non-standard steel tubes, ultra-thick wall pipes, and extra-long specifications.

Factory Overview
Workshop Machine 1
Workshop Machine 2
Key Facilities:
  • Multiple hot-rolled seamless steel pipe production lines (50, 76, 90 workshops).
  • Assel limited mandrel rolling machine for ultra-thick wall specifications.
  • 10 fine rolled seamless steel pipe production lines.
  • Full range of testing equipment for quality assurance.
Equipment 1
Equipment 2
Equipment 3
Global Service & Inspections

We have successfully served customers from Japan, India, and other international markets. Our factory maintains strict workshop control, including process cards, work orders, and 2-hour interval quality checks.

Customer Visit 1
Customer Visit 2
Customer Visit 3
Quality Certifications
Certificate 1
Certificate 2
Quality Standard
Frequently Asked Questions
What types of steel pipes can I purchase?
We offer a wide range of seamless steel pipes, welded pipes, alloy steel pipes, oil/gas transportation pipes, and hydraulic support pipes. Custom specifications for material and sizing are also available.
What are your production advantages for large-scale projects?
Our facility features three large hot-rolled production lines and ten fine rolling lines. We are uniquely capable of producing ultra-thick wall specifications and ultra-long steel pipes using advanced mandrel rolling technology.
How is the quality of the steel pipes guaranteed?
We implement strict quality control protocols including entrance/exit inspections, 2-hour interval workshop checks, and full process cards. We also welcome third-party inspections from companies like BV and SGS.
Do you support customized lengths and surface treatments?
Yes, we provide customization for cut lengths and offer various surface treatments including polished, painted, oiled, galvanized, and phosphated finishes based on your requirements.
What is the typical delivery time for an order?
Our standard delivery time is 8 to 14 days. Because we manage both production and sales, we can offer flexible scheduling and fast delivery to meet urgent project needs.
Are the pipes suitable for high-pressure environments?
Our seamless and alloy steel pipes are specifically designed for high-temperature, high-pressure, and demanding industrial applications in the petroleum, gas, and power sectors.

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