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Jinan Tianzan is an enterprise exporting steel to more than 50 countries and regions in Europe, southeast Asia, Africa, etc., the company constantly updates advanced technology and innovation to provide customers with quality products, welcome all customers and friends from all over the world to come to our company

Copyright © 2020 Jinan Tianzan Steel Co.,Ltd

Contact us

E-mail:sales@lctzsteel.com

Phone:+86 13306447194

Whatsapp:+86 13306447194

Add:No.359 Shunhua Road ,Hi-tech Zone District, Jinan City, Shandong Province

One-stop solution for steel products

ST52 Seamless steel pipe

Phone:+86 13306447194

Whatapp:+86 13306447194

Since its establishment, Jinan Tianzan Steel Co., Ltd. has standardized operation and strict management. Relying on the advantages of rich iron and steel resources in Shandong province, the company's proprietary technology and famous and excellent featured products, it promotes technological progress, optimizes product structure, moderately expands production scale, and its business performance continues to grow steadily.

Our company

What is ST52 Pipe


Rexton steel & alloys are the highly acclaimed industry that globally is dealing as a stockiest and supplier of the high quality of ST52 SEAMLESS PIPE. They as manufacturers and exporters have fully involved the stunning quality of the product of comprehensive ranges of pipes. These pipes are manufactured at the well-equipped industry the best quality of raw substances. In order to meet the exact applications desires, the clientele can acquire the product in different specifications, standards, dimensions, and sizes. With regards to international and national product quality standards, the pipes are offered to the esteem buyers at cut-made wall thickness, diameter, and length according to the specific demands at market leading rates.


It is non-alloyed steel that is essentially round and in sheet formats that are having wider ranges of applications, particularly at welded constructions.


The manufacturing of the ST52 SEAMLESS PIPE is strictly done under the thorough supervision of the professional experts. The experts are having all good desired skill and knowledge that can be a lot helpful for the producers for the better quality of pipes fabrications. At the time of pipes fabrication the use of high quality of raw materials are given first preference and obviously, it should be for adding superiority in the product quality.


The raw substances used for product fabrication is well tested. The latest technology and modern tools are really helpful in fabricating the pipes in a better way. The quality control team is there that on the basis of a few quality control measure is looking at the product quality maintenance. To assure standard quality, the product is created as per set industrial norms and raw material product quality standards.


There are many good qualities found in the product because of which it has become a perfect choice for various applications. The pipe possesses high tensile strength, rigid construction, toughness, flexibility, anti-corrosive, durability, easy to use, longevity and withstands high temperature. Also, it is having resistance ability all against stress corrosion cracking, pitting, crevice corrosion, oxidations, and general corrosion resistance.


The material testing is given value at the manufacturing industry so that the quality of produced ranges of ST52 SEAMLESS PIPE can be assured. The tests conducted are like positive material identification test, pitting resistance test, hardness test, intergranular corrosion test, mechanical test, chemical test, pitting resistance test, flattening test, flare test, macro/micro test etc.


Quality assurance plan, heat treatment chart, raw material test report, packaging list, material traceability report, lab test report, certificate of origin, fumigation certificate and commercial invoice are offered documents. The test certifications are also provided to the buyers like mill test certificate in accordance with EN 10204/3.1B plus radiography test report, third-party test report, buyers test report, and raw material certificate.


The industry giving value to product quality is doing effective packaging of ST52 SEAMLESS PIPE. It is done usually in wooden cases and pallets and wrapped in environmental poly bags. This assures complete safety of the product when shipped.


ST52 Seamless Pipe Equivalent Grades :

Steel gradeMaterial Number
St521.058

Chemical Composition of ST 52 Steel Seamless Pipe:

CSiPSMn
≤0.20≤0.550.0350.035≤1.50

Mechanical Properties of ST52 Seamless Pipe

GradeThicknessYieldTensilmieElongationImpact Energy(KV J) min
St 52mmMin MpaMpaMin  %-20°+20°
≤ 16355490-63022404755
16> to ≤35355490-63022404755
35> to ≤50345490-63022404755
50> to ≤70325490-63022404755
70> to ≤100315470-61021404755
100> to ≤150295450-59021404755

Application Industries

ST52 Seamless steel pipe application.jpg

·Bridge Structures

·Marine Structures

·Engineering

·Construction

·Oil and Gas

·Petrochemical



ST52 Seamless steel pipe


WORKSHOP EQUIPMENT20200413172139993.jpg@!w1600

ST52 Seamless steel pipe


PACKAGE DELIVERY20200413172139993.jpg@!w160020ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)   24-26CBM

40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)   54CBM

40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)    68CBM

In bundle,plastic bags,thin film,wooden pallet,standard seaworthy export packing or as customer demands


ST52 Seamless steel pipe