API 5L Grade B Carbon Steel Pipe for Oil Gas Transmission

Get the best quality API 5L Grade B Carbon Steel Pipe for Oil and Gas Transmission from our factory. Durable, reliable, and built to last. Contact us today!
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Basic Info.

Model NO.
Transport Package
API-5L ASTM-A53, Bs1387-1985, GB/T3091-2001
Tianjin China
HS Code
Production Capacity
500, 000mt/Year

Product Description

TYT Carbon Steel Pipe

Product Description

Product Basic Info:


carbon steel pipe

                                     Outer diameter




   1/8 - 20 inch

 (10.3 - 508 mm)

   12~56inch          (310 - 1,420mm)

    8 - 126 inch

(219.1 - 3,200 mm)

Wall thickness

0.4 - 16 mm

6.0 - 60 mm

6.0 - 26 mm


5.8 ~ 12.0 m or upon customers' requirements


SS400, Q235, Q345, Q460,

A572 Gr.50, Gr.1/Gr.2/Gr.3,

S235, S275, S355,

Grade A/B, X42, X52, X60, X70, etc.


Prime quality (bared, oiled, color paint, 3LPE, or other anti-corrosive treatment)

Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE,etc.


With Chemical Composition and Mechanical Properties Analysis; Dimensional and Visual Inspection, also with Nondestructive Inspection.


structure, electric power transmission tower projects, piling, water, oil & gas pipeline engineering, mechanical industry, municipal projects, roads and its auxiliary facilities, etc.


Standard export, in bulk / bundles / nylon fabric bags with seaworthy packing; or according to customers' requestments.

API 5L Grade B Carbon Steel Pipe for Oil Gas Transmission
        Chemical Element Composition (%)
Q195 - A285M Gr.B S185 0.06~0.12 0.25~0.5 ≤0.30 ≤0.040 ≤0.035
Q215 A A285M Gr.C 040A12 0.09~0.15 0.25~0.55 ≤0.35 ≤0.050 ≤0.045
B A573M Gr.58 - ≤0.045
Q235 A A570 Gr. A S235JR 0.14~0.22 0.30~0.65 ≤0.36 ≤0.050 ≤0.045
B A571 Gr. D S235JRG1 0.12~0.2 0.30~0.70 ≤0.045  
C A283M Gr.D S235JRG2 ≤0.18 0.35~0.80 ≤0.040 ≤0.040
D - - ≤0.17 ≤0.035 ≤0.035
Q345 A A572 Gr.50 - ≤0.20 1.00~1.60 ≤0.55 ≤0.045 ≤0.045
B 50B ≤0.040 ≤0.040
C 50C ≤0.035 ≤0.035
D 50D ≤0.18 ≤0.030 ≤0.030

Product show
API 5L Grade B Carbon Steel Pipe for Oil Gas Transmission
API 5L Grade B Carbon Steel Pipe for Oil Gas Transmission

All items of our products and related tests as follow : 

1.ERW black round pipe (ASTM A53,GB..)
2.Weld black square/rectangular pipe(ASTM A500,GB,...)
3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)
4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)
5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.
6.Spiral steel pipe
7.Seamless pipe (ASTM A53,A106B,)
8.Oval pipe in galvanized and black surface
9.LTZ... special sizes pipe
10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material
11.Steel angle, Flat bar,round bar,sqaure bar, 
12.H,I,U,C,T,Y,W...steel beam/channel
13.Deformed steel bar
14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface.

Our services:.

Our Services

Your inquiry related to our product & price will be replied within 24hours.
• Well-trained & experienced staff are to answer all your inquiries professionalin English of course.
• OEM is highly welcomed. We have strong R&D team here to help.
• Your business relationship with us will be confidential to any third party.
• Good after-sale service offered, please get back if you got question


1.We can offer the samples of  carbon steel pipe  ,and the samples is for free


2. Provide the Mill Test Certificate of steel tube


3.Welcome to visit our factory at any time 


4.Allow third party testing

Company profile

Tianjin tianyingtai Steel Pipe Co., Ltd. was established in 2001 January, the company is located in China's steel production base, Jinghai County Economic Development Zone Tianjin city. The east of Tianjin port and Tianjin International Airport, west of Jinghu railway, Beijing-Fuzhou Expressway, the geographical position is superior, the traffic is convenient, has a good business environment.

Tianyingtai steel company main products: galvanized strip steel pipe, welded pipe, galvanized pipe, spiral pipe, rectangular pipe and etc.. The company always adhere to the quality first, customer first service. Companies in strict accordance with the ISO9001-2008 standard established a quality management system, from research and development, raw material procurement, manufacturing, testing control, transport to the after sale services to establish a set of perfect management system. In an effort to improve the level of management and more focus on customer satisfaction, we provide qualified and satisfactory products to customers, continue to meet customer demand.

API 5L Grade B Carbon Steel Pipe for Oil Gas Transmission
API 5L Grade B Carbon Steel Pipe for Oil Gas Transmission


Q1:What about the quality?

A:Third party inspections are always welcomed.as part of our dedication to the industry, we do

make arrangements for such inspections-ABS,DNV,BV,ect.

Q2: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,

it is according to quantity.

Q3:Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight. 

Q4:May I customize the steel pipe?

A:Yes, you can, we can manufacture according to your requirement, you can send the CAD or

design drawing to us.

Q5:Any Value-added Services?

A:Fottunately for you,we are very experience in this industry.we have equipped our warehouse

with the necessities to perform in-house painting,coating,and pipe cutting.

Q6: How about the trade terms?

A: EXW, FOB, CFR, CIF will be accepted. 

Why chosse us

  • How fast can i get the quotation? 
               We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,                        please call us or tell us in your email so that we will regard your inquiry priority. 
  • What is your terms of delivery? 
              We accept EXW, FOB, CIF, etc. You can choose the one which is the most convenient or cost effective    for you.
  • Which payment terms can you accept?
                 TT, LC,Western union,  Paypal and so on.
  • Can you offer samples?

                 Yes ,we can offer the samples ,and the samples is for free.
Contact us

Telk:+86 18233532990
Tianjin tianyingtai Steel Pipe Co., Ltd.
Tianjin tianyingtai Imports&Exports Trade Co., Ltd.


Contact us

Please feel free to give your inquiry in the form below We will reply you in 24 hours