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ASTM A53 / ASME SA53 / Pipe Steel Black and Hot Dipped Zinc Coated Welded and Seamless supplier & distributor in India

PIPE & TUBE ASTM STANDARDS

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ASTM A53-89a / ASME SA53

Standard Specification for Pipe Steel Black 

 and Hot Dipped Zinc Coated Welded and Seamless Pipes/ ASTM A53 Gr.B ERW Black/ ASTM 53 Gr.B SEAMLESS(Black)/ ASTM A53 Gr.B ERW (Zinc)

This standard is issued under the fixed designation A 53; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon ( ε) indicates an editorial change since the last revision or reapproval.This specification has been approved for use by agencies of the Department of Defense to replace WW-P-404. Consult the DoD Index of Specifications and Standards for specific year of issue which has been adopted by the Department of Defense. 
1.Scope

1.1 This specification covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 1/8 to 26 (Note 1), inclusive, with nominal (average) wall thickness as given in Tables X2.2 and X2.3. Pipe having other dimensions (Note 2)may be furnished provided such pipe complies with all other requirements of this specification. 

NOTE 1?The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as "nominal diameter," "size," and "nominal size."

NOTE 2?A comprehensive listing of standardized pipe dimensions is contained in American National Standard ANSI B30.10. 

1.2 Pipe may be furnished in the following types and grades:
1.2.1 Types F ? Furnace-butt welded, continuous welded,
1.2.2 Types E ? Electric-resistance welded, Grades A and B, and
1.2.3 Types S ? Seamless,Grades A and B. NOTE 3 ? See Appendix X1 for definitions of types of pipe. 

TABLE 1 Chemical Requirements

  Composition, max, %
Carbon Manganese Phosphorus Sulfur
Type S (seamless pipe)
Open-heart, electric-furnace
Grade A 0.25 0.95 0.05 0.045
Grade B 0.30 1.20 0.05 0.045
Type E (electric-resistance-welded)
Open-hearth, electric-furnace
Grade A 0.25 0.95 0.05 0.045
Grade B 0.30 1.20 0.05 0.045
Type F (furnace-welded pipe)
Open-hearth, electric-furnace,
or basicc oxygen		 0.30 1.20 0.05 0.045

TABLE 2 Limits on Unspecified ElementsA

  Composition, max, %
Coper Nickel Chromium Molybdenum Vanadium
Type S (seamless pipe) and Type E (electric-resistance-welded)
Open-heart, electric-furnace
Grade A 0.40 0.40 0.40 0.015 0.08
Grade B 0.40 0.40 0.40 0.015 0.08
Type F (furnace-welded pipe)
Open-hearth, electric-furnace,
or basicc oxygen		 0.40 0.40 0.40 0.015 0.08

AThe combination of these five elements shall not exceed 1.00%.

TABLE 3 Tensile Requirements

  Type F Types E and S
Open-Hearth, 
Basic Oxygen, or
Electric-Furnace >		 Grade A> Grade B>
Tensile strength, min, psi(MPa)> 48 000(330)> 48 000(330)> 60 000(415)>
Yield strength, min, psi(MPa)> 30 000(205)> 30 000(205)> 35 000(240)>
Elongation in 2 in.> A,B> A,B> A,B>

AThe minimum elongation in 2 in. (50.8mm) shall be that determined by the following equation : e = 625 000 A0.2/U0.9 e = minimum elongation in 2 in.(50.8mm) in percent rounded to the nearest 0.5%,
A = cross-sectional area of the tension test specimen in square inches, based on thickness rounded to the nearest 0.01 in.2 If the area thus calculated is greater than 0.75 in.2, then the value 0.75 shall be used, and U = specified tensile strength, psi.

BSee Table x 4.1 for minimum elongation values for various size tension specimens and grades. 9.2.1 For seamless pipe, a sectino not less than 2 1/2 in, (63.5mm) in length shall be flattened cold between parallel plates in two steps. During the first step, which is a test for ductility, non cracks or breaks on the inside, outside, or end surfaces, except as provided for in 9.7, shall occur until the distance between the plates (Table 4) is less than the value of H caluculated as follows : H = (1 + e)t/(e + t/D)

TABLE 4 Flattening Requirements

Kind of Pipe Distance between Plates,
"H"
Butt-welded 60% of outside diameter
Electric-resistance-welded,Grades A and B one-thired of outside diameter
Seamless, Grades A and B to the distance H

TABLE 6 Marking of Seamless Pipe

Hydro NDE Marking
Yes No Test pressure
No Yes NDE
Yes Yes Test Pressure/NDE

Material Comparison Tables (ASTM,KS, JIS, DIN, BS, NBN, NF, UNI)

ASTM
STANDARD		 UNS NO. KOREA/JAPANES

GERMAN

 BRITISH BELGIAN FRENCH ITALIAN
KS/JIS Symbol KS/JIS No. Re marks DIN
Type

DIN
No.

Materiral
No.

 Re marks

B.S
No.

 B.S Grade Re marks NBN Type NBN Grade Re marks AFNOR Type NF No. Re marks UNI Type UNI No. Re marks

A 53

Welded and Seamless Rteel PIpe
GradeA K02504 SPPS38 / STPG370 D3562 / G3454 (16) St 37.2 1626 1.0036 (18)
Welded		 3061 320 BW,S,ER E 37.2 630 (2)
(3b
)(9)		 (3) Fe
35-1		 663
St 35 1629 1.0308 (18
)Seamless
GradeB K03005 SPPS42 / STPG410 D3562 / G3454 (16) St45 1629 1.0408 (18)
Seamless		 3601 410 BW,S,ER E 42.2 630 (2)
(3b
)(9)		 (3) (3)
St42-2 1626 1.0040 (18)
Welded

JIS Number and Corrensponding Foreign Standards

JIS ASTM BS DIN NF ISO Index Number
Std.No Grade Type Std.No Grade Type Std.No Grade Type Std.No Grade Type Std.No Grade Type Std.No Grade Type
G3452 SGP C A53 Type F C 1615 St 33-2 C A49-145 TS34-1 C 65 TW C C001
2441 St 33-2 C A49-146 TS334-a C 559 TWo C

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