Detail information

Product Name

ASTM A53B/20# steel seamless steel pipe/black seamless steel pipe

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

ASTM A53B chemical components and mechanical property

class

Mechanical property

Tensile strength(MPa)

Yield strength(MPa)

ASTM A53

≥415

≥240

class

Chemical components

C

Si

Mn

P

S

Cr

Mo

Cu

Ni

V

ASTM A53

≤0.30

≥0.10

≥1.20

≤0.05

≤0.06

≤0.40

≤0.15

≤0.40

≤0.40

≤0.08

20# chemical components and mechanical property

class 

Chemical components(%)

C : 

Si: 

Mn: 

S : 

P : 

Cr: 

Ni: 

Cu: 

20#

0.17~0.24 

0.17~0.37 

0.35~0.65 

≤0.035 

≤0.035 

≤0.25

≤0.25

≤