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ASTM A53 Seamless Steel Pipe
ASTM A53 Carbon Steel Pipe
ASTM A53 STEEL PIPE
ASTM A53 welded black steel pipe
ASTM A53 Seamless Steel Pipe
ASTM A53 Carbon Steel Pipe
ASTM A53 STEEL PIPE
ASTM A53 welded black steel pipe

ASTM A53 STEEL PIPE

ASTM A53 seamless steel pipe is an American standard brand. A53-F corresponds to China's Q235 material, A53-A corresponds to China's No. 10 material, and A53-B corresponds to China's No. 20 material.
grades:1/8- to 26-
nominal wall thickness:0.37mm to 227.37mm
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Specifications

Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A53 (ASME SA53) carbon steel pipe is a specification that covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 1/8″ to NPS 26.  A 53 is intended for pressure and mechanical applications and is also acceptable for ordinary uses in steam, water, gas, and air lines.

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)

A53 Grade B Seamless is our most polar product under this specification and A53 pipe is commonly dual certified to A106 B Seamless pipe.

Federal Steel Supply has a full range of stock in A53 steel pipe (SA53 steel pipe) in:

Grade B

Sizes

NPS ¼” to NPS 26” O.D.

Wall thickness: Schedules 10 through 160, STD, XH and XXH
Commonly requested unscheduled walls up to 4” and certified minimum wall items

Technical data

Chemical Properties %

  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 0.40 0.40 0.40 0.15 0.08
B 0.30 1.20 0.05 0.05 0.40 0.40 0.40 0.15 0.08

Type E

(Electric-resistance Welded) 

A 0.25 0.95 0.05 0.05 0.40 0.40 0.40 0.15 0.08
B 0.30 1.20 0.05 0.05 0.40 0.40 0.40 0.15 0.08

Type F

(Furnace-welded)

A 0.30 1.20 0.05 0.05 0.40 0.40 0.40 0.15 0.08

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

Mechanical Properties

  Grade A Grade B
Tensile Strength, min., psi, (MPa) 48,000 (330) 60,000 (415)
Yield Strength, min., psi, (MPa) 30,000 (205) 35,000 (240)

 

 (Note: This is summarized information from ASME Specification A53. Please refer to the specific Standard or Specification or contact us for more details.)

Standard

Permissible variations in outside diameter

Outside Diameter at any point shall not vary from standard specified more than:
For NPS 1 1/2 and Smaller Sizes   For NPS 2 and Larger Sizes  
1/64″ 1/32″ under 1% over 1%under

 

Tensile requirements

physical properties Seamless and Electric-resistance-welded Continuous-Welded
  Grade A Grade B  
Tensile Strength, min., psi 48000 60000 45000
Yield Strength, min., psi 30000 35000 25000

 

Number of tests required

Seamless and Electric-Resistance-Welded — Bending, flattening, tensile on one length of pipe from each lot of 500 lengths or less of a size. Continuous-Weld — Bending, flattening, tensile
NPS 1 1/2 & smaller NPS 2 & larger
one / 25 tons one / 50 tons

 

Hydrostatic testing

Hydrostatic inspection test pressures for plain end and threaded and coupled pipe are specified. Hydrostatic pressure shall be maintained for not less than 5 seconds for all sizes of seamless and electric-resistance-weld pipe.

 

Mechanical tests specified

  Degree of Bend Diameter of Mandrel
For Normal A53 Uses 90 12 x nom dia. of pipe
For Close Coiling 180 8 x nom dia. of pipe
Tensile Test — Transverse required on ERW for NPS 8 and large. Sending Test (Cold) — STD and XS-NPS 2 and under XXS-NPS 1 1/4 and under.
Flattening Test — NPS 2 and larger STD and XS. (Not required for XXS pipe.)

 

Standard Weight

  • Single Random — 16′ – 22′. 5% may be jointers. If Plain Ends — 5% may be 12′ – 16′.
  • Double Random — Shortest Length 22′, minimum average for order 35′.

Extra Strong and Double Extra Strong

  • Single Random — 12′ -22′. 5% may be 6′ – 12′.
  • Double Random (XS and lighter) — Shortest Length 22′, minimum average for order 35′.
  • Lengths longer than single random with wall thicknesses heavier than XS subject to negotiation.

Materials and Manufacture

The steel for both seamless and welded pipe shall be made by one or more of the following processes: open-hearth, electric furnace, or basic-oxygen. The weld seam of electric-resistance welded pipe in Grade B shall be heat treated after welding.
 











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