standard

ASTM A335(ASME SA335)

Steel grade

P1, P5, P9, P11, P22, P91, P92

Outside diameter

20mm-200mm

Thickness

0.1mm-20mm

Length

3m-8m

End protection

Plastic caps

Outside coating

Black painting, anti-corrosion oil, galvanized or as per required by customers

Packing

wooden boxes, plastic bags or according to different customers’ requests

Inspection and test

UT, ET, HT, RT, etc. and others according to the standard, or as the requests of the customers

Delivery condition

Annealed, Normalized, Normalized and tempered

Grade

C

Mn

P≤

S≤

Si

Cr

Mo

P11

0.05-0.15

0.30-0.60

0.025

0.025

0.50-1.00

1.00-1.50

0.44-0.65

P22

0.05-0.16

0.30-0.60

0.025

0.025

≤0.50

1.90-2.60

0.87-1.13

P5

≤0.15

0.30-0.60

0.025

0.025

≤0.50

4.00-6.00

0.45-0.65

P9

≤0.15

0.30-0.60

0.025

0.025

0.25-1.00

8.00-10.00

0.90-1.10

P91

0.08-0.12

0.30-0.60

0.020/0.010

0.020/0.010

0.02-0.50

8.00-9.50

0.85-1.05

P92

0.07-0.13

0.30-0.60

0.020/0.010

0.020/0.010

≤0.50

8.50-9.50

0.30-0.60

Grade

Tensile strength

Yield strength

Elongation