A333 Alloy Steel Pipe

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A333 Grade 3 Alloy Steel Pipe / A333 Gr.6 Seamless Pipe

Our company offers alloy steel pipe in compliance with ASTM A333, Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service.

Mechanical Properties

Standard	Grade	Tensile strength	Yield strength	Elongation
Standard	Grade	Tensile strength	Yield strength	Longitudinal impact	Lateral impact
ASTM A333	Grade1	≥380	≥205	≥35	≥25
	Grade3	≥450	≥240	≥30	≥20
	Grade4	≥415	≥240	≥30	≥16.5
	Grade6	≥415	≥240	≥30	≥16.5
	Grade7	≥450	≥240	≥30	≥22
	Grade8	≥690	≥515	≥22
	Grade9	≥435	≥315	≥28
	Grade10	≥550	≥450	≥22
	Grade11	≥450	≥240	≥18

Chemical Composition

Standard

Grade

Composition

ASTM A333

Grade1

≤0.30

0.40-1.06

≤0.025

Grade3

≤0.19

0.18- 0.37

0.31-0.64

≤0.025

3.18-3.82

Grade4

≤0.12

0.18- 0.37

0.50-1.05

≤0.025

0.44-1.01

0.47-0.98

0.40-0.75

0.04- 0.30

Grade6

≤0.30

≥ 0.10

0.29-1.06

≤0.025

Grade7

≤0.19

0.13- 0.32

≤0.90

≤0.025

2.03-2.57

Grade8

≤0.13

0.13- 0.32

≤0.90

≤0.025

8.40-9.60

Grade9

≤0.20

0.40-1.06

≤0.025

1.60-2.24

0.75-1.25

Grade10

≤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

Grade11

≤0.10

≤ 0.35

≤0.6

≤0.025

≤0.50

35.0-37.0

≤0.50

Related Names
Low Temperature Steel Pipe | Heavy Wall Alloy Tubing | Structural Welded Pipe

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