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ASTM A178 Electric Resistance Welded Tube

Publisher:TianchengTime:2018-07-03Number:303

Electric Resistance Welded Tube

Electric Resistance Welded Tube


standard referes to electric-resistance-s with minimum-wall-thickness。 Materials are carbon steel and carbon-manganese steel, ASTM pipe and tube is to be used in boiler tubes, boiler flues, superheater flues and safe ends。 Steel Grades A (low-carbon steel), C (medium-carbon steel), or D (carbon-manganese steel)。 Manufacturing processes must include heat treatment, welding after cooling。 Crush test shall be performed if required by customer。

 五福彩票exports erw pipes and tubes of different sizes and shapes,the same as other welded and seamless pipe, erw pipes or tubes can be delivered as beveled, threaded, coupled,surface treatment as black, bare or protective coating. Erw pipe and tubes also available in other steel grades: structual pipe, , ASTM pilling pipe.

supplies ASTM erw tube as precision tube which applicated in boiler, superheater, heat exchanger tubes,if you need other precision tubes for engineering purposes, read boiler tube and pipe product or send quotation now。

 ASTM A178 ERW /Tube Chemical Composition:

Steel GradeElementChemical Composition, %
Grade A,
Low-Carbon Steel
Grade C,
Medium-Carbon Steel
Grade D,
Carbon-Man-ganese Steel
ASTM A178Carbon0.06-0.180.35 max0.27 max
Manganese0.27-0.630.80 max1.00-1.50
Phosphorus, max0.0350.0350.030
Sulfur, max0.0350.0350.015
Silicon......0.10 min

 ASTM A178 ERW /Tube Cruch Test:

Steel GradeWallThickness of Tubes, in. [mm]Heightof Crushed Section, in. [mm]
Grade A TubesGrade C and D Tubes
ASTM A1780.135[3.43] and under3/4[19] or until outside folds are in contactCrushtests not required
Over0.135 [3.43]11/4 [32]...

 ASTM A178 ERW Pipe/Tube Mechanical Property:

ASTM A178Grade CGrade D
Tensilestrength, min, kis [MPa]255275
YieldStrength, min, ksi [MPa]415485
Elongationin 2 in. or 50 mm, min, %3030

 Comparison Tables (ASTM °CKS, JIS, DIN, BS, NBN, NF, UNI):

ASTM STANDARDUNS NO.KOREA/JAPANESGERMANBRITISHBELGIANFRENCHITALIAN
KS/JIS SymbolKS/JIS NumbeRemarksDIN TypeDIN
Number
Materiral
Number
RemarksB.S
Number
B.S Grade
NBN TypeNBN GradeRemarksAFNOR TypeNF NumberRamarksUNI TypeUNI NumberRamarks

C-Steel Electric-Resistance-Welded Boiler Tubes




















Grade AK01200STBH 340/ STB 35D3563 / St 37.8171771.0315(7)3059ERW 320






(3)

(3)
Grade cK03503SHBH 410 / STB 42D3563 / St 42.8171771.0498(7)








(3)

(3)

 JIS Number and Corrensponding Foreign Standards::

JISASTMBSDINNFISOIndex Number
Standard NumberGradeTupeStandard
Number
GradeTupeStandard
Number
GradeTupeStandard
Number
GradeTupeStandard NumberGradeTupeStandard NumberGradeTupe
G3461STB340CA161LCC3059HFS320C


A49-245TS34eC


C010

(STB35)
-C"CFS320C


"TS34cC






A226-C"ERW320C












A556GrA2C"CEW320C












A557GrA2C"S1 360C















"S2 360C















"ERW 360C















"CEW360C















3606ERW320C















"CEW320C















"CFS320C










STB410CGrCC3059S1 440C17175.8CA49-213TU42cC2604/2TS9HC

(STB42)
GrA1C"S2 440C17177.8CA49-215TU42cC"TW9HC



A556GrB2C"ERW 440C


A49-243TS42c







A557GrB2C"CEW 440C


A49-245TS42c










3602HFS 410C


"TS42c










"CFS 410C















"ERW 410C















"CEW 410C















3606ERW 440C















"CEW 440C















"CFS 440C









STB510C





C1717519Mn5CA49-213TU52CC2604/2TS18C
(STB52)






C


A49-248TU52CC




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