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 Precision Tube Description

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 Precision Tube Chemical Composition

GradeCMnPSSi
ASME SA573 Grade 580.230.6-0.90.0350.040.1-0.35
ASME SA573 Grade 650.240.85-1.20.0350.040.15-0.4
ASME SA573 Grade 700.270.85-1.20.0350.040.15-0.4


Seamless Precision Tube Mechanical Property

GradeYield Strength (MPa)Ultimate Tensile Strength (MPa)Elongation at Break (%)
ASME SA573 Grade 58220415-55021
ASME SA573 Grade 65240415-53020
ASME SA573 Grade 70290485-62028

Seamless Precision Tube Specification

Seamless precision tube

Standard

ASTM, AISI,JIS, DIN2391,DIN2445, EN10305,GB/T3639,GB/T8713, GOST

Grade

A36,A53(A,B) ,A106(B,C) , A179-C,SAE1010 ,1020, 1035/S35C ,1045/S45C/CK45 , E235/S235JR, E355/S355JR, ST35、ST37、ST45、ST52,20CR4
,41CR4, 4130,15CRMO,20CRMO,
34CRMO4/4135/SCM435, 42CRMO4/4140/SCM440, ST35.8 ,ST37.2 , ST42 ST52.4 ,100CR6,STKM11A,STKM12B,STKM13A,

Size

OD

5mm - 610mm, or as the customer’s request

Thickness

0.2mm - 60mm or as the customer’s request

Length

10mm-12000mm or as the customer’s request

Section Shape

Round/Rectangular/Square/Other Special shapes

Surface

Bright and smooth, no scratches, no pitting

Application

Structure Pipe, Precision machine parts, Parts for Car,Auto and Motorcycle .Sleeve
Pipe.PTO shaft,For Agricultural Parts and so on

Technique

Cold Drawn/ Cold rolled/ Grinding / Polishing

Certification

CE,ISO

Surface Treatment

oiled/black painting

Tolerance

±0.02MM,

Type

Seamless Steel Pipe/Welded steel pipe

Processing Service

Bending, Welding, Decoiling, Punching, Cutting

MOQ

No MOQ for stock Size, 50 KG for our production.

Delivery Condition

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

Packing

Export standard package: bundled wooden box, suit for all kinds of transport,or be required

Inspection

Party Inspection

Payment terms

T/T, L/C, Western Union, Alibaba Trade Assurance, etc

Price term

Ex-work, FOB, CIF, CFR, etc

Delivery time

Within 3 days for our stock size, 10-30 days for our production


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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

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