Oct 27, 2025 Leave a message

API 5L Grade B Round Carbon Steel SMLS Pipe

API 5L‌ is a standard established by the ‌American Petroleum Institute (API)‌ that specifies requirements for steel pipes in terms of ‌chemical composition‌, ‌mechanical properties‌, ‌dimensions‌, and ‌physical performance‌ to ensure high quality and reliability for all pipes complying with this standard.

GR.B‌ represents a grade within this standard, typically used for ‌oil and gas transportation‌ under ‌moderate pressure and temperature conditions‌. It offers ‌good toughness and weldability‌. Pipes of ‌GR.B grade‌ are usually manufactured with ‌alloying additives‌ such as copper, chromium, nickel, and titanium, based on iron components from steelmaking. These elements enhance ‌corrosion resistance‌ and ‌thermal performance‌, ensuring long-term operation in harsh environments.

 

Specification

Product Name

API Certification and Round Section Shape Carbon Steel Pipes A106 SMLS

Standard

API5L,ASTM, ANSI, GB,DIN,JIS,BS

Material

API 5L Grade B/ASTM A106B,BS1387,10#,20#,45#,ASTM A53(A,B) Q235,Q345

Outer diameter

20~630mm

Wall thickness

2~80mm

Length

5-12m,or according to the customers' requirements

Technics

Cold draw and hot rolled

Surface

Black painting.anti-corrosion oil.galvanized or as per required by customer

Ends

Plastic caps,BE,PE

Package

In bundles or according to the clients' requirements

Usage

The products are widely used in fertilizer, petroleum, centra-station, boiler,

PowerStation, shipping military, chemical industry, environment protection,

traffic, food industry, medical equipment and so on.

Seamless theoretical weight

Seamless pipe calculation formula: (OD-Wall Thickness)*thickness*0.02466 = Seamless weight per meter

MOQ

5 ton

Delivery Time

15~30 days

Yearly capacity

200000 tons

Shipment

Container or Bulk

 

 
GNEE API 5L GRB Round Carbon Steel SMLS Pipe
 
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API 5L OIL AND GAS PIPE

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