En 10305-4 SAE J524 Applied for Automobile Seamless Steel Pipe

1 / 5

En 10305-4 SAE J524 Applied for Automobile Seamless Steel Pipe

Customization:	Available
Type:	Seamless
Technique:	Cold Drawn

Send Inquiry

Product Description

Basic Information

Material:Carbon and Alloy

Surface Treatment:Bright Annealing, Black Phosphating, Galvanizing

Section Shape:Round

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

Steel Grade:St35, St45, St52, E235, E355, 1010, Stkm 11A

Certificate:ISO 9001 Ts16949

Specification:OD2-60mm

Origin:China

Product Display

Cold Drawn Seamless Steel Tube Standards

Standard Category	Standard Number	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 / A269	A822, A179, 1010, 1045, 4140, 304, 316L	OD2 - 60mm × WT0.3 -10mm
SAE	J524 / J529	Low carbon steel	OD2 - 60mm × WT0.3 -10mm
JIS	G3445 / G3455	STKM11A, 12A, 13C, S45C, STS35, STS49	OD2 - 60mm × WT0.3 -10mm

Delivery & Inspection

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

Major Inspection Items:

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

Key Applications

Automotive Systems

Fuel-rails & Fuel-lines
Common-rail diesel lines
Piston-cooling jets, SCR & EGR
Air-conditioning & Clutch actuator pipes
Power-Steering Feed-Pipes

Engineering & Industry

Hydraulic and Pneumatic Pressure Lines
Mechanical processing parts
Heat Exchangers & Gas Cylinders
Aerospace & Power Generation
Wind Power Equipment & Bearings

Manufacture Process

Company Profile

The group company owns an excellent geographic position, located near major international ports and state highways, ensuring convenient water and land transportation for global trade. The group consists of specialized manufacturing units: one focused on producing steel forgings for Marine, Power, Boiler, Oil, and Petrochemical fields, and another dedicated to precision steel tubes for the automotive industry and hydraulic systems.

With a total area of 150,000 square meters and over 200 employees, all products undergo a rigorous double-inspection process by professional quality controllers. Detailed test reports are provided to customers for every item. By adhering to strict inspection standards and a "Quality Foremost" philosophy, the company has established long-term business relationships worldwide.

Packaging & Shipping

Frequently Asked Questions

Q1: What materials are used for the seamless steel tubes? The tubes are manufactured using high-quality Carbon and Alloy steel, including grades like St35, St45, St52, E235, and E355.

Q2: Which international standards do your products comply with? Our products meet several global standards, including DIN 2391, EN 10305-1, EN 10305-4, JIS G3445, ASTM A519, and ASTM A269.

Q3: What are the primary applications for these precision tubes? They are widely used in the automotive industry (fuel rails, steering pipes), hydraulic systems, construction machinery, heat exchangers, and mechanical engineering.

Q4: How do you ensure the quality of the steel tubes? We perform 100% size and surface checks, Eddy Current testing, and physical tests for tensile strength, yield strength, flattening, and flaring. All products come with EN 10204 3.1 certification.

Q5: What surface treatments and delivery conditions are available? Surface treatments include Bright Annealing, Black Phosphating, and Galvanizing. Delivery conditions available are BK, BKW, BKS, GBK, and NBK.

Q6: What is the size range for these tubes? We specialize in precision tubes with an outer diameter (OD) ranging from 2mm to 60mm and various wall thicknesses depending on the specific standard.