Tubi d'acciaio senza cuciture rotondi AISI api 5CT J55 OD 13.7mm di acciaio inossidabile

api 5ct Seamless Steel Pipe

An overview of the Seamless carbon steel pipes:

(1) Manufacturing method:

① The general boiler tube temperature is below 350℃, domestic pipe is mainly made of No. 10, no. 20 carbon steel hot rolled pipe or cold drawn pipe.

(2) High-pressure boiler tubes are often used under high temperature and high pressure conditions. Under the action of high temperature flue gas and water vapor, oxidation and corrosion will occur. The steel pipe is required to have high durable strength, high oxidation corrosion resistance and good microstructure stability.

(2) use:

(1) General boiler tube is mainly used to manufacture water wall tube, boiling water tube, superheated steam tube, locomotive boiler superheated steam tube, large and small smoke pipe and arch brick pipe.

(2) High pressure boiler tube is mainly used to manufacture superheater tube, reheater tube, pipe, main steam pipe, etc.

(2)GB5310-95 "Seamless steel tube for high pressure boiler" provisions. Chemical composition test method according to GB222-84 and "Method for Chemical Analysis of Iron and Steel and Alloy", GB223 "Method for chemical analysis of Iron and Steel and Alloy".

(3) Chemical composition inspection of imported boiler steel pipe shall be carried out according to relevant standards stipulated in the contract.

SHANDONG TONGMAO SPECIAL STEEL CO.,LTD is reputed at supplying Stainless Steel Pipe, Carbon Steel, Seamless Pipe,Alloy Steel Pipe, Hot-Rolled/Cold-Rolled Steel Pipe, Galvanized Steel Pipe, Welded Steel Pipe, Precision Steel Pipe, also supply Steel Plate, Steel Coil and Lead Sheet etc

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Our Company combined production, trade, the development of new products and services together, is one of the provincial large-scale iron and steel enterprises. Factory products standards are qualified to meet ISO/GB/ASTM/EN/BS/JIS etc.
The company is in the long-term development process, we are in cooperation with Baosteel Group, Tianjin Steel Group, Baotou Steel Group, Panzhihua Iron and Steel Group, Taiyuan Iron and Steel Group, Anshan Iron and steel Ling, Daye Steel Group and other well-known domestic mills,and established long-term friendly cooperative relations with not only the domestic groups, but also abroad relations, Assab special steel, Japan's Hitachi, Japan Datong Special and Germany Special Steel, Austria special steel and other well-known International groups.
Our company insists the principle of honesty and trustworthiness, has received trust and support from both the domestic and Internatonal manufacturers.
We will always adhere to the belief of credibility is the life to develop international market,and try our best to be skilled, highly responsible team, through win-win cooperation, to meet the brilliant tomorrow!

FAQ

What is your working time?

Monday-Saturday : 8:00AM-17:30PM (Beijing time, GMT+08.00)
We have public holiday during May.1-3, Oct.1-7 and Chinese New Year holiday . For detail,
please see our update holiday notice. During these period, if you have a demand, Please
send me an email.

Do you provide free samples?

Yes, we can provide a free small sample for testing, buyer should bear all the shipping costs.

What are our payment terms?

T/T,L/C,Western Union,MoneyGram,Paypal
We are doing the best to match your demand.

What is the lead time?

Usually sample lead time is 7 days after payment has been confirmed.
Normal order is 10-30days,it depends on customers' quantity.
Anyway,we try to offer good-quality products as soon as possible.

Can you send products to my country?
Sure, we can. If you do not have your own ship forwarder, we can help you.

Will you delivery the goods on time?
Yes,we promise to provide best quality products and delivery on time no matter if the price change lot or not.Honesty is our company's tenet.

How can I get a quotation from you ?
You can leave us message, and we will reply every message in time. Or we may talk on line by Trademanager.
And you can also find our contact information on contact page.

How do you make our business long-term and good relationship?
We keep good quality and competitive price to ensure our customers benefit ;
We respect every customer as our friend and we sincerely do business and make friends with them