ASTM A178 TS34C

User Manual: TS34C

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ASTM A178 /ASME SA178 ELETRIC RESISTANCE WELDED CARBON STEEL BOILER TUBES

This standard is issued under the fixed designation A 178/A 178M; 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 (2) indicates an editorial change since the last revision or
reapproval.
This specification has been approved for use by agencies of the Department of Defense. 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 minimum-wall-thickness, electric-resistance-welded tubes made of carbon steel and carbon-manganese steel intended for use as boiler tubes, boiler
flues, superheater flues, and safe ends.
NOTE 1 Α Type C and D tubes are not suitable for safe-ending for forge welding.
1.2 The tubing sizes and thickness usually furnished to this specification are 1/2 to 5 in. [12.7 to 127 mm] in outside diameter and 0.035 to 0.320 in. [0.9 to 8.1 mm], inclusive,
in minimum wall thickness. Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.
1.3 Mechanical property requirements do not apply to tubing smaller than 1/8 in. [3.2 mm] in inside diameter or 0.015 in. [0.4 mm] in thickness.
1.4 When these products are to be used in applications conforming to ISO Recommendations for Boiler Construction the requirements of this Specification A 520 shall supplement
and supersede the requirements of this specification.
1.5 The values stated in either inch-pound units or SI units are to be regarded separately as standard. W within the text, the SI units are shown in brackets. The values stated in
each system are not exact equivalents; therefore, each system must b used independently of the other. Combining values from the two systems may result in nonconformance
with the specification. The inch-pound units shall apply unless the "M" designation of this specified in the order.
Material Comparison Tables (ASTM, KS, JIS, DIN, BS, NF, UNI)
KOREA/JAPANES
ASTM Standard

UNS NO. KS/JIS
Symbol

A

178

C-Steel

GERMAN

KS/JIS

DIN

DIN

Type

Number Number

St 37.8

17177

1.0315

(7)

St 42.8

17177

1.0498

(7)

Remarks

Number

BRITISH
Material

Remarks

B.S

FRENCH
B.S

Number Grade

Remarks

ITALIAN

AFNOR NF
Type

Number

Remarks

UNI UNI
Type Number

Remarks

Electric

Resistance Welded Boiler
Tubes
Grade A

K01200

Grade C

K03503

STBH 340 D3563
/ STB 35

G3461

SHBH 410 D3563
/ STB 42

/

G3461

/

3059

ERW
320

JIS Number and Corresponding Foreign Standards

(3)

(3)

(3)

(3)

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JIS

ASTM

BS

DIN

NF

ISO

Standard

Standard

Standard

Standard

Standard

Standard

Number
G3461

Grade

Type

STB340

C

(STB35)

STB410
(STB42)

STB510
(STB52)

C

C

Grade

Type

Grade

Type

A161

LC

C

3059

HFS320

C

A192

-

C

"

CFS320

C

A226

-

C

"

ERW320

C

A556

GrA2

C

"

CEW320

C

A557

GrA2

C

"

S1 360

C

"

S2 360

C

"

ERW 360

C

"

CEW360

C

3606

ERW320

C

"

CEW320

C

"

CFS320

C

Number

Number

Number

Grade

Type

Grade

Type

A49-245

TS34e

C

"

TS34c

C

Number

Number

Index
Grade

Type

C010

A179

GrC

C

3059

S1 440

C

17175

St45.8

C

A49-213

TU42c

C

2604/2

TS9H

C

A210

GrA1

C

"

S2 440

C

17177

St42.8

C

A49-215

TU42c

C

"

TW9H

C

A556

GrB2

C

"

ERW 440

C

A49-243

TS42c

A557

GrB2

C

"

CEW 440

C

A49-245

TS42c

3602

HFS 410

C

"

TS42c

"

CFS 410

C

"

ERW 410

C

"

CEW 410

C

3606

ERW 440

C

"

CEW 440

C

"

CFS 440

C
A49-213

TU52C

C

2604/2

TS18

C

A49-248

TU52C

C

C
C

17175

19Mn5

C

Number
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