ASTM A53 Carbon Steel Seamless Pipe

ASTM A53 Grade B is the material under the American steel pipe standard, API 5L Gr.B is also the American standard material, A53 GR.B ERW refers to the electric resistance welded steel pipe of A53 GR.B; API 5L GR.B Welded refers to the material Welded steel pipe of API 5L GR.B.

A53 pipe comes in three types (F, E, S) and two grades (A, B).
A53 Type F is manufactured with a furnace butt weld or may have a continuous weld (Grade A only)
A53 Type E has an electric resistance weld (Grades A and B)
A53 Type S is a seamless pipe and found in Grades A and B)

/	Grade	C, max	Mn,  max	P, max	S, max	Cu*, max	Ni*,  max	Cr*,  max	Mo*,  max	V*,  max
Type S (Seamless)	A	0.25	0.95	0.05	0.05	0.4	0.4	0.4	0.15	0.08
	B	0.3	1.2	0.05	0.05	0.4	0.4	0.4	0.15	0.08
Type E (Electric-resistance Welded)	A	0.25	0.95	0.05	0.05	0.4	0.4	0.4	0.15	0.08
	B	0.3	1.2	0.05	0.05	0.4	0.4	0.4	0.15	0.08
Type F (Furnace-welded)	A	0.3	1.2	0.05	0.05	0.4	0.4	0.4	0.15	0.08

*The total composition for these five elements shall not exceed 1.00%

FAQ：
1. Are you trading company or manufacturer ? 
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2. How long is your delivery time? 
Generally it is 7-15 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to specific item and quantity. 
3. Do you provide samples ? is it free or extra ? 
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4. Why should I choose you? What's your advantages? Industries you are serving? 
We are a professional manufacturer and have many years production and management experience in the field of fasteners .We can provide our customers with a good solution in the area of production design, production process,packaging and after-sale service.Customer satisfaction is our sole pursuit.