• Model NO.：ASTM A53 GR. B Carbon Steel Pipes
• Mtc：Mtc En10204 3.1 Will Be Provided to All Goods.
• Transport Package：Sea Worthy
• Specification：customizable
• Trademark：C&N
• Origin：China
• Production Capacity：5000ton,Year

ASTM A53 GR. B Carbon Steel Pipes1/8"     ASTM A53 GR. B Carbon Steel Pipes1/4"     ASTM A53 GR. B Carbon Steel Pipes3/8"     ASTM A53 GR. B Carbon Steel Pipes1/2"     ASTM A53 GR. B Carbon Steel Pipes3/4"     ASTM A53 GR. B Carbon Steel Pipes1"     ASTM A53 GR. B Carbon Steel Pipes1 1/4"     ASTM A53 GR. B Carbon Steel Pipes1 1/2"     ASTM A53 GR. B Carbon Steel Pipes2"     ASTM A53 GR. B Carbon Steel Pipes2 1/2"     ASTM A53 GR. B Carbon Steel Pipes3"     ASTM A53 GR. B Carbon Steel Pipes3-1/2"     ASTM A53 GR. B Carbon Steel Pipes4"     

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Hot-Dipped
Galvanizing
Sets standards for coating of pipe with zinc inside and outside by the hot-dipped process. Weight of coating must not average less than 1.8 oz. per square foot and not less than 1.6 oz. per square foot.
Permissible Variations in
Wall Thickness
The minimum wall thickness at any point shall not be more than 12.5% under the nominal wall thickness specified.
Permissible Variations in
Weights per Foot
Plus or minus 10% 

Number of Tests Required
Seamless and Electric-Resistance-Welded - Bending, flattening, tensile on one length of pipe from each lot of 500 lengths or less of a size.
Continuous-Weld - Bending, flattening, tensile
Scope
Covers Seamless and Welded, Black and Hot-Dipped Galvanized nominal (average) wall pipe for coiling, bending, flanging and other special purposes and is suitable for welding. Continuous-Welded pipe is not intended for flanging. Purpose for which pipe is intended should be stated on order.
Materials and Manufacture
The steel for both seamless and welded pipe shall be made by one or more of the following processes: open-hearth, electric furnace, or basic-oxygen. The weld seam of electric-resistance welded pipe in Grade B shall be heat treated after welding.
Material Grades : High Temperature Seamless PipeHeat Exchanger Seamless TubeLow Temperature Seamless PipeLow Temperature Seamless TubeHigh Yield Seamless PipeHigh Yield Seamless PipeAtmospheric & Low Temp EFW PipesHigh Pressure & Moderate Temp EFW PipesHigh Yield ERW/SAW PipeHigh Yield ERW/SAW PipeASTM A106 Gr. B/C, API 5L Gr. B, ASTM A53 Gr. BASTM A179ASTM A333 Gr. 3/6ASTM A334 Gr. 6API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2ISO 3183 Gr.L245, L290, L320, L360, L390, L415, L450, L485ASTM A671 Gr. CC60/CC65/CC70ASTM A672 Gr. B60/B65/B70/C55/C60/C65/C70API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2ISO 3183 Gr.L245, L290, L320, L360, L390, L415, L450, L485Material Comparison Tables (ASTM →KS, JIS, DIN, BS, NBN, NF, UNI)ASTMSTANDARDUNS NO.KOREA/JAPANESGERMANBRITISHKS/JIS SymbolKS/JIS No.RemarksDIN TypeDIN
No.Materiral
NumberRemarksB.S
NumberB.S GradeRemarksA 53
Welded and Seamless Rteel PIpe           Grade AK02504SPPS38 / STPG370D3562 / G3454(16)St 37.216261.0036(18)Welded3061320BW, S, ER     St 3516291.0308(18)Seamless   Grade BK03005SPPS42 / STPG410D3562 / G3454(16)St4516291.0408(18)Seamless3601410BW, S, ER     St42-216261.0040(18)Welded   ASTMSTANDARDUNS NO.BELGIANFRENCHITALIANNBN TypeNBN GradeRemarksAFNOR TypeNF NumberRamarksUNI TypeUNI NumberRamarksA 53
Welded and Seamless Steel PIpe          Grade AK02504E 37.2630(2) (3b) (9)  (3)Fe
35-1663            Grade BK03005E 42.2630(2) (3b) (9)  (3)  (3)            
Additional Testing:
NACE MR0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc.
Dimensions:
 All Pipes is manufactured and inspected/tested to the relevant standards including ASTM, ASME, API
Chemical Requirements  Carbon max. %Manganese %Phosphorous, max. %Sulfur, max. %Copper, max.%Nickel, max. %Chromium, max. %Molybdenum, max. %Vanadium, max. %Type S 
(seamless)Type E (electric-
resistance welded)Type F (furnace-
welded pipe)Grade AGrade BGrade AGrade BGrade A0.250.300.250.300.30.951.20.951.21.20.050.050.050.050.050.0450.0450.0450.0450.0450.400.400.400.400.40.400.400.400.400.40.400.400.400.400.40.150.150.150.150.150.080.080.080.080.08Permissible Variations in Wall Thickness
The minimum wall thickness at any point shall not be more than 12.5% under the nominal wall thickness specified.
Permissible Variations in 
Weights per Foot
Plus or minus 10%

Permissible Variations in 
Outside Diameter
Outside Diameter at any point shall not vary from standard specified more than:For NPS 1 1/2 and Smaller SizesFor NPS 2 and Larger Sizes1/64"1/32" under1% over1%underNumber of Tests Required
Seamless and Electric-Resistance-Welded - Bending, flattening, tensile on one length of pipe from each lot of 500 lengths or less of a size.
Continuous-Weld - Bending, flattening, tensileNPS 1 1/2 & smallerNPS 2 & largerone / 25 tonsone / 50 tonsHydrostatic Testing
Hydrostatic inspection test pressures for plain end and threaded and coupled pipe are specified. Hydrostatic pressure shall be maintained for not less than 5 seconds for all sizes of seamless and electric-resistance-weld pipe.
Mechanical Tests Specified
Tensile Test - Transverse required on ERW for NPS 8 and large.
Sending Test (Cold) - STD and XS-NPS 2 and under XXS-NPS 1 1/4 and under. Degree of BendDiameter of MandrelFor Normal A53 Uses9012 x nom dia. of pipeFor Close Coiling1808 x nom dia. of pipe