Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 

ASTM A210 Boiler Seamless Pipe


ASTM A210(ASME SA210)  Boiler Seamless Pipe

Seamless Medium Carbon Steel Boiler and Superheater ,For manufacturing wall panel,economizer,superheater and steam pipeline of boilers

Size: OD: 12~70mm     
WT: 1~8mm     
Length: 14000mm Max.
ASTM A210(ASME SA210)  Boiler Seamless Pipe
Description:       
1. Tubes are made by the seamless process and are cold finished.   
2. Cold finished tubes are heat treated after the final cold-finishing at a temperature of 1200°F [650°C] or higher.



Grade and Chemical Composition( %)

Grade

C≤

Mn

P≤

S≤

Si≤

Cr≤

Cu≤

Mo≤

Ni≤

V≤

A

0.25

0.27~0.93

0.035

0.035

0.10

0.40

0.40

0.15

0.40

0.08

B

0.30

0.29~1.06

0.035

0.035

0.10

0.40

0.40

0.15

0.40

0.08


Mechanical Properties

Grade

Tensile Strength (Mpa)

Yield Point (Mpa)

Elongation (%)

Delivery Condition

A

≧330

≧205

≧20

Annealed

B

≧415

≧240

≧20

Annealed

 

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