ASTM A333 Seamless Steel Piping is suitable for Atuo use, machinery use, oil cylinder tube, motorcycle shock reducer steel tubes

AGICO is a main manufacturer and exporter of Seamless Steel Pipe and Steel Tubes Fitting used in water transmission pipe system, such as Steel Pipe and Tube Fittings of different standards.

Features Specifications:

Strike temperature condition:

Crade	The lowest temperature for strike test
	°F	°C
Grade 1	-50	-45
Grade 3	-150	-100
Grade 4	-150	-100
Grade 6	-50	-45
Grade 7	-100	-75
Grade 8	-320	-195
Grade 9	-100	-75
Grade 10	-75	-60

Standard

Grade

Chemical Composition(%)

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Al

ASTM A333

Grade 1

≤0.30

0.40~1.06

≤0.025

≤0.025

Grade 3

≤0.19

0.18~0.37

0.31~0.64

≤0.025

≤0.025

3.18~3.82

Grade 4

≤0.12

0.18~0.37

0.50~1.05

≤0.025

≤0.025

0.44~1.01

0.47~0.98

0.40~0.75

0.04~0.30

Grade 6

≤0.30

≥0.10

0.29~1.06

≤0.025

≤0.025

Grade 7

≤0.19

0.13~0.32

≤0.90

≤0.025

≤0.025

2.03~2.57

Grade 8

≤0.13

0.13~0.32

≤0.90

≤0.025

≤0.025

8.40~9.60

Grade 9

≤0.20

0.40~1.06

≤0.025

≤0.025

1.60~2.24

0.75~1.25

Grade 10

≤0.20

0.10~0.35

1.15~1.50

≤0.03

≤0.015

≤0.15

≤0.25

≤0.015

≤0.50

≤0.12

≤0.06

Grade 11

≤0.10

≤0.35

≤0.6

≤0.025

≤0.025

≤0.50

35.0~37.0

≤0.50

Brinell Hardness Number(WT≥)0.200In(5.1mm)	Rockwell Hardness Number (WT)0.200In(5.1mm)
137HRB	77HRB

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