STANDARD

GRADE

                           CHEMICAL COMPOSITION

C

Si

Mn

P

S

Cr

Mo

Cu

Ni

V

ASME SA106

SA106B

0.170.25

≥0.1

0.701.00

≤0.030

≤0.030

≤0.035

  ASTM A106

    A

≤0.25

≤0.10

0.270.93

≤0.035

≤0.035

≤0.40

≤0.15

≤0.40

≤0.40

≤0.08

    B

≤0.30

≤0.10

0.291.06

≤0.035

≤0.035

≤0.40

≤0.15

≤0.40

≤0.40

≤0.08

    C

≤0.35

≤0.10

0.291.06

≤0.035

≤0.035

≤0.40

≤0.15

≤0.40

≤0.40

≤0.08

ASTM A53

    A

0.25

/

0.95

0.05

0.045

0.40

0.15

0.40

0.40

0.08

    B

0.3

/

1.2

0.05

0.045

0.40

0.15

0.40

0.40

0.08

 ASTM A179

  A179

≤0.06-0.18

/

0.27-0.63

≤0.035

≤0.035

  ASTM A192

  A192

0.060.18

≤0.25

0.270.63

≤0.035

≤0.035

 ASTM A210

  A-1

≤0.27

≥0.10

≤0.93

≤0.035

≤0.035

   C

≤0.35

≥0.10

0.291.06

≤0.035

≤0.035

ASTM A106. for the purpose of the pipeline project of boiler,water&petroleum.

ASTM A53  It is used for conveying water,petrolem,gas and other common fluids.

ASTM A179 For tubed heat exchanger and similar heat conveying equipments

ASTM A192 For manufacture wall panel,economizer,reheater,superheater and steam pipeline of boilers. 

API SPCE 5L For the purpose of transportation of gas,water,oill in oil&gas industry.