The Importance of  API 5L/astm a106 GR.B seamless carbon steel Pipe in industrial Applications

API 5L/ASTM A106 GR.B seamless carbon steel pipe plays a crucial role in various industrial applications. This type of pipe is widely used in industries such as Oil and gas, petrochemical, power generation, and more. Its importance lies in its ability to withstand high pressure, temperature, and corrosive environments.
One of the key reasons why API 5L/ASTM A106 GR.B seamless carbon steel pipe is highly valued in industrial applications is its strength and durability. This pipe is made from carbon steel, which is known for its excellent mechanical properties. It has a high Tensile strength, making it capable of withstanding extreme pressure and stress. Additionally, carbon steel is highly resistant to corrosion, ensuring the longevity of the pipe even in harsh environments. alt-822 Another important aspect of API 5L/ASTM A106 GR.B seamless carbon steel pipe is its ability to handle high temperatures. In industrial applications, pipes are often exposed to elevated temperatures due to the nature of the processes involved. This seamless carbon steel pipe can withstand temperatures up to 750°F (400°C), making it suitable for applications that involve high-temperature fluids or gases.
Tensile and Hardness Requirements
grade  Yield strength MPaTensile StrengthHardness a,cSpecified wall thicknessAllowable Hardness Variation b
 TypeTotal Elongation Under Load min MPamax  
   minmax HRCHBWmmHRC
12345678910
H400.5276552414
J550.5379552517
K550.5379552655
N8010.5552758689
N80Q0.5552758689
R950.5655758724
L80 L8010.555265565523241
L809Cr 13Cr0.555265565523241
  0.555265565523241
C9010.562172468925.4255£12.703
        12.71 to 19.044
        19.05 to 25.395
        ³ 25.406
T9510.565575872425.4255£12.703
        12.71 to 19.044
        19.05 to 25.395
        ³ 25.406
C1100.775882879330286£12.703
        12.71 to 19.044
        19.05 to 25.395
        ³ 25.406
P1100.6758965862
Q12510.658621034931b£12.703
        12.71 to 19.04 19.054
         5
a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.
b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9.
c For through-wall hardness tests of Grades L80 (all types), C90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number.
Furthermore, API 5L/ASTM A106 GR.B seamless carbon steel pipe is known for its excellent dimensional accuracy. This means that the pipe has precise and consistent dimensions, ensuring a tight fit and proper alignment when connecting different sections of a pipeline. This is crucial in industrial applications where leaks or misalignments can lead to costly downtime and safety hazards. casing pipe,casing well pipe, casing supreme pipe, casing vs carrier pipe, casing for ac pipe, casing steel pipe, casing pipe size, casing pvc pipe price, casing pipe, casing pipe suppliers in china, casing capping pipe, casing drill Pipe,carrier pipe,casing pipe size,bushing Flange,bushing sleeve,bushing,bushing arm,bushing bearing,bushing Reducer,bushing tool,bushing pvc,bushing meaning alt-827 The seamless nature of this carbon steel pipe is also worth mentioning. Unlike welded pipes, which have seams that can be potential weak points, seamless pipes are manufactured without any joints. This eliminates the risk of leaks and enhances the overall strength of the pipe. Moreover, the absence of seams allows for a smoother flow of fluids or gases, reducing friction and pressure drop.
API 5L/ASTM A106 GR.B seamless carbon steel pipe is also highly versatile. It can be used for various applications, including transporting fluids and gases, structural support, and even as casing for oil and gas wells. Its versatility makes it a preferred choice for many industries, as it can be easily adapted to different requirements and specifications.
Item Noproduct namestandardSteel gradeSize(mm)Application
1 pressure fluid steel pipeASTM A106Gr.A、Gr.B、Gr.COD:21.3-1220boiler,heat exchanger,medium low pipeline
ASTM A53Wall:2.0-100
2casing,oil pipe,couplingapi5ct PSL1、group1:J55、 K55、N80、R95OD:26.7-762Steel tube for oil field
PSL2 PSL3group2:L80、 C90、T95Wall:2.87-40
 group3:P110 
3pipeline transportation systemAPI5LA、B、X42、X46、X52、X60、X65、X70、X80OD:26.7-1220oil and gas pipeline, refining equipment pipeline
PSL1Wall:2.87-100
PSL2 
4mechanical high precision seamless pipeASTM A519SAE1018、SAE1020、SAE1045、SAE1518、SAE1541、SAE4130、SAE4135、SAE4140、SAE8620、ST78、ST52、E215、E235、E355、E410、C35E、C45E、25CrMo4、42CrMo4OD:21.3-406high precision machined seamless tube,construction machine,automobile engine
EN10305-1Wall:2.0-40
DIN2391 
GB3639 
5heat exchanger and condenser low carbon cold drawn seamless pipeASTM A179A179OD:6-76.2heat exchanger
Wall:1.0-20
6high pressure carbon steel seamless boiler pipeASTM A192A192OD:12.7-177.8high pressure boiler tube
Wall:2.0-25.4
7boder,superheater unit medium carbon seamless steel pipeASTM A210A210A-1OD:12.7-127high pressure toiler and heat exchanger
A210-CWall:0.9-12.7
8boiler,superheater unit femilic alloy steel pipeastm a213T2、T11、T12、T22、T5、T5b、T5COD:6-127high pressure boiler,superheater unit, heat exchanger alloy steel tube
Wall:0.4-12
9seamless steel pipe for pressure purposeEN10216-1195GH、P235GH、P265GH、20MnNb6、16Mo3、13CrMo4-5OD:21.3-762pressure piping
EN10216-2Wall:2.0-40
10gas cylinder seamless steel pipeGB1824837Mn、34Mn2V、30CrMo、35CrMo、34CrMo4、30CrMnSiA、STH11、STH12、STH21、STH22、STH31OD:76-356high pressure gas cylinder
JIS G3429Wall:2.5-6.0
11the automotive axle pipeYB/T 503545#、45Mn2、40MnB、40CrOD:76-121automobile application
Wall:7.0-28.5
api 5CT l80 casing Tubing Grade Color Codes
GradeGrade TypeNumber and Color of Bands for Product a with Length ³ 1.8 mColor(s) for couplings
   Entire CouplingBand(s) b, c
12345
H40None or black band at the manufacturer’s optionNoneSame as for pipe
j55 tubingOne bright greenBright greenNone
J55 CasingOne bright greenBright greenOne white
K55Two bright greenBright greenNone
N801One redRedNone
N80QOne red, one bright greenRedGreen
R95One brownBrownNone
L801One red, one brownRedOne brown
L809CrOne red, one brown, two yellowNoneTwo yellow
L8013CrOne red, one brown, one yellowNoneOne yellow
C901One purplePurpleNone
T951One silverSilverNone
C110One white, two brownWhiteTwo brown
P110One whiteWhiteNone
Q1251One orangeOrangeNone
a In the case of coupling Material, unless otherwise specified in the purchase agreement, the manufacturer’s internal requirements shall govern.
b special clearance couplings shall also have a black band.
c Seal-ring couplings shall also have a blue band.
In addition to its physical properties, API 5L/ASTM A106 GR.B seamless carbon steel pipe is also known for its compliance with industry standards. This pipe meets the requirements set by the American petroleum Institute (API) and the American Society for

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