ASTM A106 Gr.B ท่อคาร์บอนที่ไม่มีรอยต่อร้อน

OD(mm)

Wall Thickness Unit (mm)

2

2.5

3

3.5

4

4.5

5

6

6.5-7

7.5-8

8.5-9

9.5-10

11

12

Φ25-Φ28

●

●

●

●

●

●

Φ32

●

●

●

●

●

●

Φ34-Φ36

●

●

●

●

●

●

Φ38

●

●

●

●

●

●

Φ40

●

●

●

●

●

Φ42

●

●

●

●

●

Φ45

●

●

●

●

●

●

Φ48-Φ60

●

●

●

●

●

●

●

Φ63.5

●

●

●

●

●

●

●

Φ68-Φ73

●

●

●

●

●

●

Φ76

●

●

●

●

●

●

●

●

●

●

Φ80

●

●

●

●

●

●

●

●

●

●

Φ83

●

●

●

●

●

●

●

●

●

●

Φ89

●

●

●

●

●

●

●

●

●

●

Φ95

●

●

●

●

●

●

●

●

●

●

Φ102

●

●

●

●

●

●

●

●

●

●

Φ108

●

●

●

●

●

●

●

●

●

●

Φ114

●

●

●

●

●

●

●

●

●

Φ121

●

●

●

●

●

●

●

●

●

Φ127

●

●

●

●

●

●

●

●

●

Φ133

●

●

●

●

●

●

●

●

●

Φ140

●

●

●

●

●

●

●

●

Φ146

●

●

●

●

●

●

●

●

Φ152

●

●

●

●

●

●

●

●

Φ159

●

●

●

●

●

●

●

●

Φ168

●

●

●

●

●

●

●

●

Grade

C≤

Mn

P≤

S≤

Si≥

Cr≤

Cu≤

Mo≤

Ni≤

V≤

ASTM A106 Grade A

0.25

0.27-0.93

0.035

0.035

0.10

0.40

0.40

0.15

0.40

0.08

ASTM A106 Grade B

0.30

0.29-1.06

0.035

0.035

0.10

0.40

0.40

0.15

0.40

0.08

ASTM A106 Grade C

0.35

0.29-1.06

0.035

0.035

0.10

0.40

0.40

0.15

0.40

0.08

Grade

Rm Mpa Tensile Strength

Yield Point (Mpa)

Elongation

Delivery Condition

ASTM A106 Grade A

≥330

≥205

20

Annealed

ASTM A106 Grade B

≥415

≥240

20

Annealed

ASTM A106 Grade C

≥485

≥275

20

Annealed

DIN

EN

BS

NFA

ASTM

ASME

DIN 17175 Grade St 45.8

EN P235GH Grade 10216-2

NFA A 49-215 Grade TU 42-c

ASTM A106 Grade B

ASME SA 106 Grade B

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