Professional ASTM PIPE,ASTM A53 GR.B ,ASTM A106B,ASTM A179,ASTM A210,ASTM A335,ASTM A519.




Who is ASTM? ASTM Standards !Development of standards !


Services of ASTM International . Use of standards.Annual book of ASTM .


      These ASTM standards, define the specific manufacturing process of the material and determine the exact chemical composition of pipes, fittings and flanges, through percentages of the permitted quantities of carbon, magnesium, nickel, etc., and are indicated by "Grade".

      For example, a carbon steel pipe can be identified with Grade A or B, a stainless-steel pipe with Grade TP304 or Grade TP321 etc..

      Below you will find as an example a table with chemical requirements for fittings ASTM A403 Grade WP304, WP304L, WP316L and a table with frequent Grades, arranged on pipe and pipe-components, which belong together as a group.


1:Out Dimesions:1/2"-24"
3:Standard:ASTM A53 GR.B ,/A106/A178/A179/A192/A210/A213/A333/

4:Surface Treatment:painting or according to customers' requirement
6:Advantage:can be manufactured by customer requirement

Packing & Delivery Details:
1:Packing Detail:Export standard packing or according to customers' requirements
2:Delivery Detail: Within 10-20 days after the receipt of T/T or L/C.、


(A) Carbon 0.040% max. is necessary where many drawing passes are required, as with outside diameter <0.5 inch (12.7 mm), or nominal wall thickness <0.049 inch (1.2 mm).
(B) On pierced tube, Nickel may be 11 - 16.00%.

Chemical requirements composition, %

  Grade F304 (A) Grade F304L (A) Grade F316L (A-B)
Carbon, max 0.08 0.035 0.035
Manganese, max 2.00 2.00 2.00
Phosphorus, max 0.045 0.045 0.045
Sulfur, max 0.030 0.030 0.030
Silicon, max 1.00 1.00 1.00
Nickel 8 - 11 8 - 13 10 - 15
Chrome 18 - 20 18 - 20 16 - 18
Molybdenum - - 2.00-3.00




Material Pipes Fittings Flanges
Carbon Steel A106 Gr A A234 Gr WPA A105
A106 Gr B A234 Gr WPB A105
A106 Gr C A234 Gr WPC A105
Carbon Steel
A335 Gr P1 A234 Gr WP1 A182 Gr F1
A335 Gr P11 A234 Gr WP11 A182 Gr F11
A335 Gr P12 A234 Gr WP12 A182 Gr F12
A335 Gr P22 A234 Gr WP22 A182 Gr F22
A335 Gr P5 A234 Gr WP5 A182 Gr F5
A335 Gr P9 A234 Gr WP9 A182 Gr F9
Carbon Steel
A333 GR 6 A420 Gr WPL6 A350 Gr LF2
A333 Gr 3 A420 Gr WPL3 A350 Gr LF3
A312 Gr TP304 A403 Gr WP304 A182 Gr F304
A312 Gr TP316 A403 Gr WP316 A182 Gr F316
A312 Gr TP321 A403 Gr WP321 A182 Gr F321
A312 Gr TP347 A403 Gr WP347 A182 Gr F347


    ASTM Pipes

  • A106 = This specification covers carbon steel pipe for high-temperature service.
  • A335 = This specification covers seamless ferritic alloy-steel pipe for high-temperature service.
  • A333 = This specification covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures.
  • A312 = Standard specification for seamless, straight-seam welded, and cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.


  • A234 = This specification covers wrought carbon steel and alloy steel fittings of seamless and welded construction.
  • A420 = Standard specification for piping fittings of wrought carbon steel and alloy steel for low-temperature service.
  • A403 = Standard specification for wrought austenitic stainless steel piping fittings.


  • A105 = This specification covers standards for forged carbon steel piping components, that is, flanges, fittings, Valves, and similar parts, for use in pressure systems at ambient and higher-temperature service conditions.
  • A182 = This specification covers forged or rolled alloy and stainless steel pipe flanges, forged fittings, and Valves and parts for high-temperature service.
  • A350 = This specification covers several grades of carbon and low alloy steel forged or ring-rolled flanges, forged fittings and Valves for low-temperature service.

ASTM pipes & JIS Steel Pipe

Standards of ASTM and JIS for Seamless Steel Pipe Standard......

DIN, EN Steel Pipe

DIN (German Industrial Standards), EN (European Standards) and BS (British Standards) Seamless Steel Pipe.

JIS pipe - G3454 G3455 G3456

DIN (German Industrial Standards), EN (European Standards) and BS (British Standards) Seamless Steel Pipe.

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New Update Pipe List

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