Phone Number

+8613757757792

AISI 4140 Pipe

ISO Certified Suppliers of ASTM A519 AISI 4140 Alloy Steel Seamless Pipe in China

Manufacturer of 4140 chromoly Pipe & AISI 4140 steel pipe in Wenzhou, Check standard specifications

AISI 4140 Pipe Specification

pipe size icon

AISI 4140 Pipe Sizes

  • Size – 1/2” NB to 36” NB
  • Length:Single/ Double & Cut to Length
  • Wall Thickness: 16mm to 10mm
welded pipe size icon

AISI 4140 Pipe Length

  • Length: Within 13500mm
  • Custom Length Or Cut To Length To Avoid Waste.
pipe manufacturing process

AISI 4140 Alloy Seamless Steel Pipe Manufacturing Process

  • Precision Rolled
  • Hot Formed
  • Cold Formed
 Pipe Surface Finish

ASTM Cold Drawn 4140 Carbon Steel Pipe Surface Finish

  • FBE/ Epoxy
  • Polished
  • Varnished
Origins

ASTM A519 Grade 4140 Pipe Origins

  • Thailand
  • Philippines, India
  • Brazil
  • China
pipe Types

Types of4140 chromoly Pipe

  • Fabricated
  • Seamless
  • CEW Pipes
Measurement

Measurement of AISI 4140 1.7225 Mild Steel Pipe

  • Straightness, Ovality
  • Outer diameter
  • Inner diameter
  • Thickness, Length
Disadvantages

AISI 4140 Pipe Disadvantages

  • Corrosion resistance
  • Ductility
  • Welding
  • Cost
End Types

AISI 4140 1.7225 Mild Steel Pipe End Types

  • Plain end, Roll groove
  • Coupled, Bevel end
  • Cut groove, Threaded
Features

Features of AISI 4140 chrome Steel 30CrMo Alloy Steel pipes

  • Toughness
  • Heat resistance
  • Self-scaling
  • Strength
Packaging

AISI 4140 chrome Steel 30CrMo Alloy Steel pipes Packaging

  • Bundled
  • Bubble Wraps
  • Wooden Box
Advantages

AISI 4140 Pipe Advantages

  • Toughness
  • Wear resistance
  • Self-scaling properties
  • Strength
Pipe Testing

AISI 4140 1.7225 Mild Steel Pipe Testing

  • Chemical
  • PMI
  • Mechanical
  • Ultrasonic
Standards

4140 chromoly Pipe Standards

  • AISI 4140, ASTM A519
Applications

AISI 4140 Alloy Seamless Steel Pipe Applications

  • Machinery
  • Oil and gas
  • Structural
  • Consumer goods
Documentation

AISI 4140 1.7225 Hot Rolled Seamless Steel Pipe Documentation

  • Visual Inspection
  • Mill Test Certificates
  • PMI Test Reports

Types of AISI 4140 Alloy Seamless Steel Pipe


AISI 4140 Pipe Supplier in China Offers A Wide Range Of Frequently Used Pipes.


AISI 4140 Pipe

AISI 4140 Pipe

ASTM A519 Grade 4140 Pipe

ASTM A519 Grade 4140 Pipe

AISI 4140 1.7225 Hot Rolled Seamless Steel Pipe

AISI 4140 1.7225 Hot Rolled Seamless Steel Pipe

4140 chromoly Pipe

4140 chromoly Pipe

AISI 4140 1.7225 Mild Steel Pipe

AISI 4140 1.7225 Mild Steel Pipe

AISI 4140 Steel Pipe

AISI 4140 Steel Pipe

AISI 4140 Alloy Seamless Steel Pipe

AISI 4140 Alloy Seamless Steel Pipe

AISI 4140 chrome Steel 30CrMo Alloy Steel pipes

AISI 4140 chrome Steel 30CrMo Alloy Steel pipes

ASTM Cold Drawn 4140 Carbon Steel Pipe

ASTM Cold Drawn 4140 Carbon Steel Pipe


Size Chart Of AISI 4140 Pipe

AISI 4140 Pipe Manufacturer in China Provides a Wide Range of Diameters to Meet the Needs of the Customer.

O.D(MM) x THICK(MM) O.D(MM) x THICK(MM) O.D.(MM) x THICK(MM)
101.6 x 3.6 63.5 x 3.6 48.3 x 3.2
139.7 x 6.3 76.2 x 3.6 57.0 x 3.6
76.2 x 4.0 57.0 x 4.9 38.1 x 3.2
139.7 x 5.0 70.0 x 6.3 57.0 x 3.2
76.2 x 5.0 57.0 x 6.3 38.1 x 4.0
139.7 x 4.0 70.0 x 3.6 51.0 x 6.3
76.2 x 6.3 57.0 x 7.9 38.1 x 6.3
88.9 x 4.0 63.5 x 3.2 44.5 x 6.3
114.3 x 5.0 70.0 x 3.2 51.0 x 3.6
88.9 x 3.6 60.3 x 5.0 44.5 x 3.2
101.6 x 6.3 63.5 x 6.3 50.8 x 4.5
88.9 x 3.2 60.3 x 3.6 42.4 x 4.0
114.3 x 3.6 63.5 x 7.9 51.0 x 3.2
82.5 x 4.5 60.3 x 3.2 42.4 x 3.2
101.6 x 4.5 63.5 x 4.0 48.3 x 3.6

Weight Chart of AISI 4140 1.7225 Mild Steel Pipe

SIZE NPS STANDARD TO XXHY PIPE O.D. GALLON CAPACITY/LINEAR FOOT WALL THICK SECTION MODULUS PIPE I.D. SCHEDULE PIPE # WEIGHT PER FOOT
2   2.375 .1898 0.109 .4205 2.157 10 2.64
      .1344 0.281 .8666 1.813   6.29
  XXHY   .0922 0.436 1.1043 1.503   9.04
  STD   .1743 0.154 .5606 2.067 40 3.66
      .1161 0.344 .9806 1.687 160 7.47
  XHY   .1534 0.218 .7309 1.939 80 5.03
1/2 STD 0.84 .0158 0.109 .0407 0.622 40 0.85
  XXHY   .0026 0.294 .0577 0.252   1.72
      .0088 0.188 .0528 0.464 160 1.31
  XHY   .0122 0.147 .0478 0.546 80 1.09
1 STD 1.315 .0449 0.133 .1328 1.049 40 1.68
  XXHY   .0146 0.358 .2136 0.599   3.66
      .0271 0.250 .1904 0.815 160 2.85
  XHY   .0374 0.179 .1606 0.957 80 2.17
3/4 STD 1.05 .0277 0.113 .0705 0.824 40 1.13
  XXHY   .0077 0.308 .1103 0.434   2.44
      .0153 0.219 .1006 0.612 160 1.95
  XHY   .0225 0.154 .0853 0.742 80 1.48
1 1/4 STD 1.66 .0777 0.140 .2346 1.380 40 2.27
      .0328 0.382 .4110 0.896   5.22
      .0549 0.250 .3421 1.160 160 3.77
  XHY   .0666 0.191 .2913 1.278 80 3.00
2 1/2   2.875 .2833 0.120 .6870 2.635 10 3.53
  XXXHY   .1280 0.552 1.9971 1.771   13.71
  XHY   .2202 0.276 1.3386 2.323 80 7.67
  STD.   .2487 0.203 1.0640 2.469 40 5.80
      .1842 0.375 1.6371 2.125 160 10.02
      .2435 0.216 1.1169 2.443   6.14
      .2301 0.250 1.2468 2.375   7.02
1 1/2 STD 1.90 .1058 0.145 .3262 1.610 40 2.72
      .0494 0.400 .5977 1.100   6.41
  XHY   .0918 0.200 .4118 1.500 80 3.63
4   4.5 .7404 0.120 1.7612 4.260 10 5.62
  XHY   .5972 0.337 4.2713 3.826 80 15.00
  XXHY   .4054 0.674 6.7927 3.152   27.57
      .7156 0.156 2.2354 4.188   7.24
      .4822 0.531 5.8997 3.438 160 22.53
  STD.   .6613 0.237 3.2145 4.026 40 10.80
      .5361 0.438 5.1790 3.624 120 19.02
      .6528 0.250 3.3611 4.000   11.36
3   3.50 .4336 0.120 1.0411 3.260   4.34
      .3521 0.281 2.1207 2.938   9.67
  XXHY   .2158 0.600 3.4243 2.300   18.6
      .4147 0.156 1.3122 3.188   5.58
      .2811 0.438 2.8774 2.624 160 14.34
  STD.   .3840 0.216 1.7241 3.068 40 7.58
  XHY   .3431 0.300 2.2253 2.900 80 10.26
      .3672 0.250 1.9372 3.000   8.69
5   5.563 1.0979 0.188 4.1161 5.187   10.80
  XXHY   .6734 0.750 12.0954 4.063   38.59
  XHY   .9449 0.375 7.4300 4.813 80 20.80
      1.0716 0.219 4.7279 5.125   12.51
      .7590 0.625 10.7976 4.313 160 32.99
  STD.   1.0391 0.258 5.4500 5.047 40 14.63
      .8495 0.500 9.2534 4.563 120 27.06
      1.0204 0.281 5.8644 5.001   15.87
3 1/2   4.0 .5768 0.120 1.3776 3.760 10 4.98
      .4821 0.281 2.8562 3.438   11.17
  XXHY   .3085 0.636 4.8795 2..728   22.87
  STD.   .5136 0.226 2.3939 3.548 140 9.12
  XHY   .4617 0.318 3.1400 3.364 80 12.52
      .4998 0.250 2.6001 3.500   10.02

Size Chart Of ASTM A519 Grade 4140 Pipe

SIZE NB XXS OD S60 S10 S160 S20 S140 40S S120 S40 5S S100 10S S80 XS/80S
(MM) (MM) (MM) (MM) (MM) (MM) (MM) (MM) (MM) (MM) (MM) (MM) (MM) (MM) (MM)
10” 250 25.4 273.1 12.7 28.6 6.4 25.4 9.3 21.4 9.27 3.4 19.3 4.2 15.1 12.7
36” 900 914.4 7.9 13 9.5 19.1 12.7
1/8” 10.29 1.73 1.2 2.41
34” 850 863.6 7.9 13 9.5 17.5 12.7
1/4” 13.72 2.24 1.7 3.02
32” 800 812.8 7.9 13 9.5 17.5 12.7
6” 150 22 168.3 18.3 7.1 14.3 7.11 2.8 3.4 11 10.97
3/8” 17.15 2.31 1.7 3.2
30” 750 762 7.9 13 9.5 6.4 7.9 12.7
5” 125 19.1 141.3 15.9 6.6 12.7 6.55 2.8 3.4 9.53 9.53
1/2” 15 7.47 21.34 4.78 2.8 2.77 1.7 2.1 3.73 3.73
28” 700 711.2 7.9 13 9.5 12.7
3/4” 20 7.82 26.67 5.56 2.9 2.87 1.7 2.1 3.91 3.91
26” 650 660.4 7.9 13 9.5 12.7
1” 25 9.09 33.4 6.35 3.4 3.38 1.7 2.8 4.55 4.55
24” 600 609.6 24.6 6.4 59.5 9.5 52.4 9.5 46 17.5 5.5 38.9 6.4 31 12.7
1 1/4” 32 9.7 42.16 6.35 3.6 3.56 1.7 2.8 4.85 4.85
8” 200 22.2 219.1 10.3 23 6.4 20.6 8.2 19.3 8.18 2.8 15.1 3.8 12.7 12.7
20” 500 508 20.6 6.4 50 9.5 44.5 9.5 38.1 15.1 4.8 32.5 5.5 26.2 12.7
1 1/2” 40 10.2 48.26 7.14 3.7 3.68 1.7 2.8 5.08 5.08
22” 550 558.8 22.2 6.4 54 9.5 47.6 9.5 41.3 4.8 34.9 5.5 28.6 12.7
2” 50 11.1 60.33 9.74 3.9 3.91 1.7 2.8 5.54 5.54
12” 300 25.4 323.9 14.3 33.3 6.4 28.6 9.5 25.4 10.3 4 21.4 4.6 17.5 12.7
2 1/2” 65 14 73.03 9.53 5.2 5.16 2.1 3.1 7.01 7.01
16” 400 406.4 16.7 6.4 40.5 7.9 36.5 9.5 31 12.7 4.2 26.2 4.8 21.4 12.7
3” 80 15.2 88.9 11.1 5.5 5.49 2.1 3.1 7.62 7.62
14” 350 355.6 15.1 6.4 35.7 7.9 31.8 9.5 27.8 11.1 4 23.8 4.8 19.1 12.7
3 1/2” 90 101.6 5.7 5.74 2.1 3.1 8.08 8.08
18” 450 457.2 19.1 6.4 45.2 7.9 39.7 9.5 34.9 14.3 4.2 29.4 4.8 23.8 12.7
4” 100 17.1 114.3 13.5 6 11.1 6.02 2.1 3.1 8.56 8.56

Tolerance Of AISI 4140 Chromoly Pipe

CONDITIONS Wall O.D.
ANNEALING OR NORMALIZATION
ASTM A519 ASTM A519
TEMPERED AND QUENCHED VariesB +/- 1%A

Quality Inspection & Testing Of ASTM A519 Grade 4140 Pipe

Quality Inspection & Testing Of ASTM A519 Grade 4140 Pipe

Quality Inspection & Testing

  • Hydrostatic test
  • Mechanical test
  • Radiography test
  • Pitting resistance test
  • Flattening test
  • Macro/micro test
  • Chemical analysis
  • Ultrasonic test
  • Flaring test
  • Hardness test




Chemical Composition Of ASTM Cold Drawn 4140 Carbon Steel Pipe

Phosphorus

0.035

Sulfur

0.040

Molybdenum

0.15 – 0.25

Silicon

0.15 – 0.30

Manganese

0.75 - 1.0

Chromium

0.80 - 1.10

Carbon

0.380 - 0.430

Iron

96.785 - 97.77


AISI 4140 1.7225 Mild Steel Pipe Mechanical Properties

AISI 4140 Pipe Manufacturer in China Provides The Best Pipes With Exceptional Mechanical Properties.

Elongation

25.70% (25.70%)



Yield Strength

415 MPa (60200 psi)


Tensile Strength

655 MPa (95000 psi)

Bulk modulus

140 GPa (20300 ksi)



Equivalent Chart Of AISI 4140 1.7225 Hot Rolled Seamless Steel Pipe


UNS

UNS G41400

DIN

41CrMo4

JIS

JIS SCM 440

EN

1.7223

BS

970 708M40



Difference Between AISI 4140 Pipe and AISI 4140 Alloy Seamless Steel Pipe

Difference AISI 4140 Pipe VS AISI 4140 Alloy Seamless Steel Pipe

AISI 4140 Pipe VS AISI 4140 Alloy Seamless Steel Pipe

AISI 4140 Pipe AISI 4140 Alloy Seamless Steel Pipe
Composition Alloy Seamless Steel Pipe is a low alloy steel that contains chromium, molybdenum, and manganese. 140 Pipe is a moderately simple steel with a high degree of toughness and tensile strength.
Uses used in the oil and gas, manufacturing, automotive, and aerospace industries. used in machined applications such as gears, bolts, and fasteners.
Properties good wear resistance and fatigue resistance.  good resistance to atmospheric corrosion.



How Does Yaye Industrial Wenzhou Evaluate the Quality of Its AISI 4140 Pipe ?

  • Chemical Analysis to Verify Composition
  • Potentially Impact Testing to Assess Toughness
  • Flaring and Flattening Tests
  • Hydrostatic Pressure Testing
  • Mechanical Tests Like Tensile Strength and Yield Strength, Hardness Testing