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Boiler tubes, heat exchanger tubes

Welded pipes

L, LL, KL finned tubes (finned tubes)

G embedded fin tubes (finned tubes)

(serrated) extruded finned tubes

high frequency welded (serrated) fin tubes (finned tubes)

Laser welded fin tubes (finned tubes)

hot dipped galvanized oval (elliptical) finned tubes, rectangular fin tubes

condenser fin flat tubes

inner finned tubes (finned tubes)

Studded Pipes

H / double H fin tubes (finned tubes)

longitudinal fin tubes (finned tubes)

Tube finning machine

Aluminum plates, strips,foils

Aluminum welding wire rod

Aluminum tubes, profile

Economizer for Boiler

air-cooled heat exchanger (air cooler)

seamless fin tubes with two longitudinal opposite fins


standard & specification

boiler tubes, heat exchanger tubes

boiler tubes U tubes

A192/A192M-91(1996) Specification for Seamless Carbon Steel Boiler Tubes for High-Pressure Service
A209 A209/A209M-98 Specification for Seamless Carbon-Molybdenum Alloy-Steel Boiler and Super heater Tubes
A210 A210/A210M-96 Specification for Seamless Medium-Carbon Steel Boiler and super heater Tubes
A250 A250/A250M-95 Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and super heater Tubes
ASTM B622 Seamless ferritic and austenitic alloy-steel boiler, super heater, and heat-exchanger tubes
A213 A213/A213M-99a Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, super heater, and Heat-Exchanger Tubes
A249 A249/A249M-98e1 Specification for Welded Austenitic Steel Boiler, super heater, Heat-Exchanger, and Condenser Tubes
low carbon steel tubes for heat exchanger and boilers
ASTM A179, DIN17175, BS3602, NFA A49215, JIS G 3461, A192, A210 Grade A1,A210 Grade C, ASTM A556, A214, DIN17177, BS 3059, NFA A49242, JIS G3461, A226, GB3087, GB5310, ASME SA106, ASME SA333, ASME SA335, DIN17175, EN10216-2

Alloy steel tubes for heat exchanger and boilers
ASTM A209, T1,T1A, T1b
ASTM A199,T4,T5,T9,T11,T21,T22,T91
ASTM A213,T2, T5,T5b,T5c, T9, T11, T12, T17,T21,T22,T91,T92
ASTM A334, Grade1,3,6,7,8,91,112. DIN17173, BS3603, JIS G3464
BS3606, JIS G3462
DIN17176, BS3604
ASME SA 333: SA333 Grade1, SA333 Grade 6
ASME SA335: SA335 P11, SA335 P12, SA335 P22, SA335 P5, SA335 P1, SA335 P9,
14MoV6-3, X10CrMoVNb9-1">DIN 17175: St45.8, 15Mo3, 16Mo3, 13CrMo44, 10CrMo910, 14MoV6-3, X10CrMoVNb9-1 = T91 / P91
JIS G3461: STB 340, STB 410
EN 10216-1: P195 TR1, P235 TR2

Mechanical properties

Steel grade

 Tensile strength (Mpa)  Yield strength (Mpa) Elongation (%) Impact energy(J) Hardness Standard

Rockwell Hardness

Brinell Hardness

<15mm ≥15mm
St35.8 360-480 235 225 25 - - - DIN17175
Sr45.8 410-530 255 245 21 - - -
15Mo3 450-600 270 22 - - -
13CrMo44 440-590 290 22 - - -
10CrMo910 450-600 280 20 - - -
14MoV63 460-610 320 20 55   -
12Cr1MoV 470-640 255 245 21 41 - -



SA192 ≥325 180 35 - 77HRB 137HB ASMESA192
SA106-B ≥415 240   - - - ASMESA106
SA106-C ≥485 275 - - -
SA556-C2 ≥480 280 - -   ASMESA556
SA210-A1 ≥415 255 - 79HRB(143HB) ASMESA210
SA210-C ≥485 275 - 89HRB(179HB)
SA209-T1a ≥415 220 - 81HRB 153HB ASMESA209
SA213-T12 ≥415 205 - 163HB(85HRB) ASMESA213
SA213-T22 ≥415 205 - 163HB(85HRB)
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