GB/T8163-2018 10# 20# Conveying Fluid Cold Drawn Precision Seamless Steel Pipe

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GB/T8163-2018 10# 20# Conveying Fluid Cold Drawn Precision Seamless Steel Pipe

Customization:	Available
Type:	Seamless
Technique:	Cold Drawn

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Product Description

📋 Basic Information

Material:

Carbon and Alloy

Surface Treatment:

Bright Annealing, Black Phosphating, Galvanizing

Usage:

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Heat Exchanger

Section Shape:

Round

Standard:

DIN2391, En 10305-1, JIS G3445, ASTM A519

Delivery Condition:

Bk, Gbk, Bkw, Bks or Nbk

Steel Grade:

St35, St45, St52, E235, E355, 1010, Stkm 11A

Certificate:

ISO 9001 Ts16949

Origin:

China

HS Code:

7304319000

📷 Detailed Photos

Cold Drawn Precision Seamless Steel Pipe

📊 Technical Specifications

Standards	Steel Grades	Size Range
DIN 2391/1629/1630/2445	ST35, ST45, ST52, ST37.4, ST44.4, ST52.4	OD2 - 60mm × WT0.3 - 10mm
GB/T 8162/8163/3639/3093	10, 20, 16Mn, 35, 45, 30CrMo, 42CrMo	OD2 - 60mm × WT0.3 - 10mm
EN 10305-1 / 10305-4	E215, E235, E255, E355	OD2 - 60mm × WT0.3 - 10mm
ASTM A822 / A179 / A519	A822, A179, 1010, 1015, 1025, 1045, 4130, 4140	OD2 - 60mm × WT0.3 - 10mm
SAE J524 / J529	Low carbon steel	OD2 - 60mm / OD3 - 30mm
JIS G3445 / G3455	STKM11A, 12A, 12B, 13C, S45C, STS35, STS49	OD2 - 60mm × WT0.3 - 10mm
ISO 8535 / NF A49-310	ST 35, 45, 52 / TU37b, TU52b	OD3 - 30mm × ID 1 - 12.5mm

🚚 Delivery & Applications

Delivery Conditions:

BK (+C), BKW (+LC), BKS (+SR), GBK (+A), NBK (+N)

Major Inspection Items:

Tensile strength, Yield strength, Elongation, Flattening, Flaring, Chemical analysis, Eddy Current Test (100%), Size and surface checking (100%). Certificates according to EN 10204 3.1.

🚀 Automotive & Vehicle

✔Powertrain: Fuel-rails, Fuel-lines, Piston-cooling jets, SCR & EGR.

✔Fluid Handling: Air-conditioning tube, Clutch actuator pipes.

✔Drive & Steering: Gear Pipes, Power-Steering Feed-Pipes.

✔Others: Front axles, Sun-shading wire tubes, Headrest chair tubes.

🔧 Mechanical & Engineering

✔Hydraulic & Pneumatic Pressure Lines.

✔Mechanic Processing and parts.

✔Heat Exchange & Gas Cylinders.

✔Aerospace, Marine, and Energy Generation.

🏭 Manufacture Process

🏢 Production Capacity

The manufacturing facility is located along the junction of River and Coast Economic Belts, offering excellent geographic positioning for international logistics. The group operates two professional manufacturing units: one specializing in steel forgings for Marine, Power, Boiler, and Petrochemical fields; the other dedicated to producing precision steel tubes for the automotive industry and hydraulic systems.

With a total area of 150,000 square meters and over 200 employees, the facility ensures all products undergo double inspection by professional quality controllers. Strict inspection protocols are followed to maintain high standards of quality for long-term global business partnerships.

📦 Packaging & Shipping

Frequently Asked Questions (FAQ)

1. What materials are used for the precision seamless steel tubes?

We use high-quality Carbon and Alloy steel, including grades such as St35, St45, St52, E235, E355, and 1010 to meet various industrial requirements.

2. Which international standards do your products comply with?

Our products are manufactured according to DIN 2391, EN 10305-1, JIS G3445, ASTM A519, and GB/T 3639 standards, ensuring global compatibility.

3. What are the primary applications for these steel pipes?

They are widely used in automotive powertrain systems, fluid handling, hydraulic systems, construction machinery, and mechanical engineering parts like heat exchangers.

4. What delivery conditions can you provide?

We offer multiple delivery conditions including BK (+C), BKW (+LC), BKS (+SR), GBK (+A), and NBK (+N) to suit different machining needs.

5. How do you ensure the quality of the steel tubes?

Each product undergoes 100% size and surface checking, along with Eddy Current testing and mechanical property tests (Tensile, Yield, Elongation). All products are certified to EN 10204 3.1.

6. What are the available surface treatments?

Available surface treatments include Bright Annealing, Black Phosphating, and Galvanizing to provide excellent corrosion resistance and finish.

GB/T8163-2018 10# 20# Conveying Fluid Cold Drawn Precision Seamless Steel Pipe

Product Description

🚀 Automotive & Vehicle

🔧 Mechanical & Engineering

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