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Home > Precision Steel Tube > P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube
P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube
P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube
P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube
P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube
P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube
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P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube
P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube
P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube
P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube
P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube

P195 P195gh P235 P235gh 20# 45# Q355b Cold Drawn Precision Seamless Carbon Mild Steel Round Tube

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Product Description

Overview & Basic Info
Model NO.
10-400mm
Type
Seamless
Technique
Cold Drawn
Material
Carbon Steel
Surface
Black / Rust Proof Coating
Section Shape
Round
Delivery Time
7-21 Days
Advantage
Quality + Competitive Price
Seamless Steel Pipe Overview
Product Description
  • Ultra-high dimensional accuracy: OD/wall thickness tolerance can reach ±0.05~0.1mm, with excellent ovality and straightness.
  • High surface finish: Smooth inner and outer walls, roughness Ra≤0.4~0.8μm, free of oxide scale.
  • Compact and uniform structure: Fine grain, free of porosity, stable mechanical properties.
  • Excellent mechanical performance: High strength and plasticity, no cracking during cold bending or flaring.
  • No weld seam: Reliable pressure resistance and strong sealing.
Product Detail 1
Product Detail 2
Product Detail 3
Technical Specifications
FeatureDetails
Product NameCold drawn seamless steel pipe / Seamless carbon tube
StandardASTM A106, ASTM A53, ASTM A179, ANSI B36.10, GB/T 8162, etc.
Outer Diameter10-400mm (Customizable)
Wall Thickness1-50mm (Customizable)
Length6m, 12m or as per requirements
Material GradeA53(A,B), A106(A,B), Q345, 10#, 20#, 45#, S235JR, ST37, ST52, 4140, etc.
Delivery ConditionBeveled or Plain end, Varnish/2PE/3PE coating
ApplicationsPipeline Transport, Hydraulic Systems, Machinery Industry, Construction
Main Functions & Applications

Core Functions

  • Precision fluid transmission for high-pressure systems.
  • Precision structural support for cylinder barrels and sleeves.
  • Direct machining to reduce production costs.

Industry Applications

  • Automobile: Drive shafts, steering, and brake lines.
  • Hydraulic: High-pressure oil pipes and connectors.
  • Aerospace: Landing gear and engine components.
Application 1
Application 2
Application 3
Production Showcase
Factory Gallery 1 Factory Gallery 2
Factory Gallery 3
Factory Gallery 4
Frequently Asked Questions
What materials and specifications do you supply?
We manufacture seamless steel pipes using premium materials including 10#, 20#, 45# carbon steel, Q355B low-alloy steel, and 304/316 stainless steel. Specifications cover outer diameters from 4mm to 620mm and wall thicknesses from 0.5mm to 100mm.
Do you provide customized processing services?
Yes, we offer fixed-length cutting, double-end chamfering, bending, drilling, surface galvanizing, bright annealing, and heat treatment based on your technical drawings.
What quality standards do the pipes conform to?
Our products strictly comply with international standards such as ASTM A519, DIN 2391, EN 10305, and GB/T 3639. We provide Material Certification (MTC) and quality inspection reports for each batch.
What is the production lead time for bulk orders?
The typical production cycle for standard pipes is 7-12 working days. For customized orders involving special treatments, the lead time ranges from 15-25 working days.
What is the minimum order quantity (MOQ)?
For standard pipes, the MOQ is 1 ton for trial orders and 5 tons for bulk orders. Non-standard sizes can be adjusted based on specific production conditions.
How do you handle quality issues after delivery?
If quality issues are found within the warranty period, we respond within 12 hours and provide solutions within 24 hours, including free replacement, reprocessing, or compensation.

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