ASTM A53

ASTM-A53 Seamless Steel Pipe

Name: ASTM A53 Seamless Carbon and Alloy Steel Mechanical Tubing

Size (mm): O.D.: 6.0∼180; W.T.: 1∼30; L: max 12000

Description：
★ Standards: ASTM A53 (ASME SA179)
★ Applications: It is used for mechanical and high-pressure applications as well as for transporting steam, water and gas. For instance, heat exchangers, condensers, heat transfer equipment and similar pipes.
★ Grade: A 53
★ Specifications: diameter 10.3 to 76.2 mm; thickness: 1.2 to 12 mm; length:6 m

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Structural Steel Pipes Features Specifications:

OD (mm)

Wall Thickness (mm)

2.5

3.5

4.5

6.5-7

7.5-8

8.5-9

9.5-10

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

●

Seamless Carbon and Alloy Steel Mechanical Tubing
Applications:	Mechanical and high-pressure applications, as well as for transporting steam, water and gas.
Size(mm):	O.D.: 6.0∼180; W.T: 1∼30; L: max 12000

Grade and Chemical Composition (%)

Grade	C ≤	M ≤	P ≤	S ≤	Cu ≥	Ni ≤	Cr ≤	Mo ≤	V ≤
A	0.25	0.95	0.05	0.045	0.40	0.40	0.40	0.15	0.08
B	0.30	1.20	0.05	0.045	0.40	0.40	0.40	0.15	0.08

Mechanical Properties:

Grade	Rm Mpa Tensile Strength	Mpa Yield Point	Elongation	Delivery Condition
A	≥330	≥205	20	Annealed
B	≥415	≥240	20	Annealed

Dimensional Tolerances:

Pipe Type	Pipe Sizes		Tolerances
Cold Drawn	OD	≤48.3mm	±0.40mm
Cold Drawn	WT	≥60.3mm	±1%mm

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