The Importance of ASTM Q235B A36 Schedule 40 construction 14 20 24 30 Inch Black Round Tube

ASTM Q235B A36 Schedule 40 Construction 14 20 24 30 Inch Black Round Tube is a type of seamless carbon steel Pipe that is widely used in construction projects. This article aims to highlight the importance of this specific type of pipe in construction and explain why it is a reasonable choice for various applications.
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 K55N80 R95OD:26.7-762Steel tube for oil field
PSL2 PSL3group2:L80 C90T95Wall: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
alt-961 One of the key reasons why ASTM Q235B A36 Schedule 40 Construction 14 20 24 30 Inch Black Round Tube is highly valued in construction is its durability. This pipe is made from high-quality carbon steel, which gives it excellent strength and resistance to wear and tear. It can withstand heavy loads and extreme weather conditions, making it suitable for a wide range of construction projects.
Another important aspect of this pipe is its seamless design. Unlike pipes with welded joints, seamless pipes do not have any weak points that could potentially lead to leaks or failures. This makes ASTM Q235B A36 Schedule 40 Construction 14 20 24 30 Inch Black Round Tube a reliable choice for applications where a secure and leak-free Connection is crucial, such as plumbing systems or structural supports. 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-965 The schedule 40 designation of this pipe refers to its Wall thickness. Schedule 40 pipes have a thicker wall compared to schedule 20 or 24 pipes, which makes them more suitable for applications that require higher pressure or load-bearing capabilities. This added strength and stability make ASTM Q235B A36 Schedule 40 Construction 14 20 24 30 Inch
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.

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