A comprehensive range of stainless steel solutions to meet all your needs effortlessly.

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We offer steel and steel fabrication services

We are a first-class steel service center with industry-leading technology, offering a wide range of steel and processing services to our customers.

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seamless hydraulic tube application

Our company produces and sells various types of steel products. This website only displays some products. If you have further needs, please fill in the form or contact us via email.

seamless hydraulic tube chemical composition

GradeCMnPSSi
ASTM A573 Grade 580.230.6-0.90.0350.040.1-0.35
ASTM A573 Grade 650.24 0.85-1.20.0350.040.15-0.4
ASTM A573 Grade 700.270.85-1.20.0350.040.15-0.4

seamless hydraulic tube mechanical property

GradeYield Strength (MPa)Ultimate Tensile Strength (MPa)Elongation at Break (%)
ASTM A573 Grade 58220415-55021
ASTM A573 Grade 65240415-53020
ASTM A573 Grade 70290485-62028


seamless hydraulic tube Specification

Product Name

seamless hydraulic tube

Specification

ST52,CK45,4140,16Mn,42CrMo,E355,Q345B,Q345D,Stainless Steel 304/316,Duplex2205,Alloy Steel。ASTM A335 / ASME SA335 / ASTM A213 / ASME SA213 etc.

Technology

Hot Rolled / Cold Drawn

Outer Diameter Size

A335 - 3/8" NB To 30" NB (Nominal Bore Size), A213 -3/8"OD To 5"OD

Wall Thickness

Schedule 20 To Schedule XXS (Heavier On Request) Up to 250 mm Thickness

Length

5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size.

Dimension

All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM, ASME, API.

Pipe Ends

Plain Ends / Beveled Ends / Coupling

Value Added Services

Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Galavanizing / Heat Treatment

Delivery Time

Usually within 10-45 days after receipt of advance payment


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APPLICATION FIELD

Industries We Proudly Serve

Building Construction
Building Construction
Specific requests for on-site construction are generally required and we will work with our clients to meet their needs.
Oil & Gas
Oil & Gas
We supply high strength steel to the oil and gas industry and our equipment is customized to cut advanced high strength steel for the oil and gas industry.
Medica Equipment
Medica Equipment
Loong Stainless Steel supplies hospital beds and related furniture applications that require low micro surface finishes for plating applications.
Spaceflight
Spaceflight
Our high-quality steels and aircraft-grade metals also play an important role in specialty aerospace parts.
Agriculture
Agriculture
Loong Stainless Steel has been a proud supplier of steel to the agriculture and farming industry, and we understand the ups and downs that the industry has experienced.
Heavy Equipment
Heavy Equipment
We also supply several exercise equipment manufacturers with special high surface quality and high strength applications.

FAQ

We are a well known worldwide exporter of 304 Stainless Steel P
Q : What are your payment terms?
A : Our payment terms: 30% T/T deposit and 70% on B/L copy or L/C at sight, before you pay the balance. We will show you product and packaging photos.
Q : How long is your delivery time?
A : Generally, it takes 10-15 working days for stock, and 20-30 working days if there is no stock. According to the order quantity
Q : Can you accept customization?
A : Yes. Can be customized according to customer requirements
Q : How about the MOQ? If my first order is small, will you accept it?
A : We will try our best to support your trial order quantity, so even if it is 1 piece or 1 kg, we can start cooperation; because we are confident to make a second order with the company.
Q : How about your after-sales service?
A : As a professional steel export company, we provide promotion and technical support for all questions and questions.
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Customer Service

To provide you with the most professional assistance.