4130 Chromoly Steel Tubing Supplier
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4130 Chromoly Steel Tubing Supplier

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Explore the qualities of 4130 chromoly tubing – a pinnacle choice in various industries. Crafted from low-alloy steel enriched with chromium and molybdenum, this tubing offers a blend of strength, durability, and versatility. As reputable 4130 tubing suppliers, we take pride in delivering premium quality products tailored to meet the diverse needs of our customers.

Recognized for its remarkable strength-to-weight ratio, 4130 chromoly tubing stands out as a lightweight yet powerful solution for applications requiring structural integrity.

Trusted in aerospace and motorsports industries, this tubing excels in high-temperature environments, ensuring reliable performance even in challenging conditions.

Whether used in bicycle frames, roll cages, or firearm parts, the versatility of 4130 tubing shines through. Its weldability and formability make it a preferred material for creating diverse shapes.

Beyond strength, 4130 chromoly tubing offers excellent ductility and toughness. This ensures resistance to cracking and deformation, contributing to its durability.

With superior corrosion resistance, our 4130 tubing is well-suited for applications in harsh environments, promising longevity and reliability.

Our 4130 steel tubing, available in seamless round form, is a reliable choice for various structural applications. Following ASTM A519 specifications, it can be customized as hot finished or cold finished based on your requirements.

As dedicated 4130 tubing suppliers, we prioritize quality and customer satisfaction. Our commitment to excellence makes us a reliable partner for your tubing needs.

Ready to experience the strength and versatility of 4130 chromoly tubing? Contact us today for more information, competitive pricing, or to place your order. Trust in our expertise as leading 4130 tubing suppliers to meet your specific requirements and deliver a solution tailored to your needs.

4130 Chromoly Tubing Specification

AISI 4130 Pipe Standard AISI 4130, SAE 4130, A519:1008, 1010, 1020, 1026, 1035, 1045, 1050, 1518, 1524, 4118, 4130, 4135, 4140, 4142, 5115, 5120, 5140, 52100
AMS AMS-T-6736, 4130
Surface treatment ASTM A519-Temporary Coating, Special Coating, Galvanized, immersion oil, lacquer, passivation, phosphating,etc; Or Oil-dip paint black with two plastic caps on each end
AISI 4130 Pipe Size 1/2” NB to 36” NB
Additional Testing NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc.
Schedules SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
AISI 4130 Pipe Origin European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material)
Relevant Test ASTM A519-Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength,Yield strength,Elongation),Technics Properties(Flattening Test,Flaring Test,Bending Test, Hardness Test,Blow Test,etc), Exterior Size Inspection, Nondestructive electric Test,Hydrostatic Test, magnetic particle testing
AISI 4130 Pipe Tolerance Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm
Thickness 3-12mm
AISI 4130 Pipe Type Seamless / ERW / Welded / Fabricated
Available in Form of Round, Square, Rectangular, Hydraulic Etc.
AISI 4130 Pipe Length Standard Double & In Cut length also.
AISI 4130 Pipe End Plain End, Beveled End, Treaded
Specialized in Large Diameter AISI 4130 Pipe Pipe
Oil machinery steel series AISI4150M, AISI4140, AISI 4130 etc.
Application Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Applications Automobile and Bearing Industry, Mechanical and Structral Purpose, Hydraulic and Petrochemical Purpose, etc.
Inspection Strictly according to the standard requirements and offer the original MTC (EN10204.3.1/3.1B)
Craft Cold rolled and Cold drawn
Manufacture methods Cold Finished method or hot finished Method.

4130 Chromoly Tubing Chemical Composition

AISI 4130 Ni C Mo Mn Si Fe Cu S P Cr
0.50 max 0.28-0.33 0.15-0.25 0.40-0.60 0.15-0.35 97.3-98.22 – 0.025 MAX 0.035 MAX 0.80-1.10

AISI 4130 Steel Tubing Mechanical Properties

Properties Metric Imperial
Density 7.85 g/cm3 0.284 lb/in³
Melting point 1432°C 2610°F

Chromoly 4130 Steel Tubing Equivalent grades

Standard/ Grade UNS Temper Specification
AISI 4130 Alloy Steel UNS G41300 N MILT6736, AMS6360, AMS6371
AISI 4340 Alloy Steel UNS G43400    
AISI 4140 Alloy Steel UNS G41400 A, N, T AMS6381
AISI 8620 Alloy Steel UNS G86200    
15CDV6   T980, T1080 AIR9160C, 1.7734.5, 1.7734.6

AISI 4130 Rectangular Pipes Weight

Size NPS Pipe O.D. Wall Thickness Pipe I.D. Weight per Foot Standard to XXHY Schedule Pipe # Section Modulus Gallon Capacity Per Linear Foot
1/2 0.84 0.109 0.622 0.85 STD 40 .0407 .0158
    0.147 0.546 1.09 XHY 80 .0478 .0122
    0.188 0.464 1.31   160 .0528 .0088
    0.294 0.252 1.72 XXHY   .0577 .0026
3/4 1.05 0.113 0.824 1.13 STD 40 .0705 .0277
    0.154 0.742 1.48 XHY 80 .0853 .0225
    0.219 0.612 1.95   160 .1006 .0153
    0.308 0.434 2.44 XXHY   .1103 .0077
1 1.315 0.133 1.049 1.68 STD 40 .1328 .0449
    0.179 0.957 2.17 XHY 80 .1606 .0374
    0.250 0.815 2.85   160 .1904 .0271
    0.358 0.599 3.66 XXHY   .2136 .0146
1 1/4 1.66 0.140 1.380 2.27 STD 40 .2346 .0777
    0.191 1.278 3.00 XHY 80 .2913 .0666
    0.250 1.160 3.77   160 .3421 .0549
    0.382 0.896 5.22     .4110 .0328
1 1/2 1.90 0.145 1.610 2.72 STD 40 .3262 .1058
    0.200 1.500 3.63 XHY 80 .4118 .0918
    0.281 1.338 4.86   160 .5079 .0730
    0.400 1.100 6.41     .5977 .0494
2 2.375 0.109 2.157 2.64   10 .4205 .1898
    0.154 2.067 3.66 STD 40 .5606 .1743
    0.218 1.939 5.03 XHY 80 .7309 .1534
    0.250 1.875 5.68     .8045 .1434
    0.281 1.813 6.29     .8666 .1344
    0.344 1.687 7.47   160 .9806 .1161
    0.436 1.503 9.04 XXHY   1.1043 .0922
2 1/2 2.875 0.120 2.635 3.53   10 .6870 .2833
    0.203 2.469 5.80 STD. 40 1.0640 .2487
    0.216 2.443 6.14     1.1169 .2435
    0.250 2.375 7.02     1.2468 .2301
    0.276 2.323 7.67 XHY 80 1.3386 .2202
    0.375 2.125 10.02   160 1.6371 .1842
    0.552 1.771 13.71 XXXHY   1.9971 .1280
3 3.50 0.120 3.260 4.34     1.0411 .4336
    0.156 3.188 5.58     1.3122 .4147
    0.172 3.156 6.12     1.4265 .4064
    0.188 3.124 6.66     1.5342 .3984
    0.216 3.068 7.58 STD. 40 1.7241 .3840
    0.250 3.000 8.69     1.9372 .3672
    0.281 2.938 9.67     2.1207 .3521
    0.300 2.900 10.26 XHY 80 2.2253 .3431
    0.438 2.624 14.34   160 2.8774 .2811
    0.600 2.300 18.6 XXHY   3.4243 .2158
3 1/2 4.0 0.120 3.760 4.98   10 1.3776 .5768
    0.226 3.548 9.12 STD. 140 2.3939 .5136
    0.250 3.500 10.02     2.6001 .4998
    0.281 3.438 11.17     2.8562 .4821
    0.318 3.364 12.52 XHY 80 3.1400 .4617
    0.636 2..728 22.87 XXHY   4.8795 .3085
4 4.5 0.120 4.260 5.62   10 1.7612 .7404
    0.156 4.188 7.24     2.2354 .7156
    0.188 4.124 8.67     2.6296 .6942
    0.203 4.094 9.32     2.8173 .6838
    0.219 4.062 10.02     3.0184 .6725
    0.237 4.026 10.80 STD. 40 3.2145 .6613
    0.250 4.000 11.36     3.3611 .6528
    0.281 3.938 12.67   60 3.7021 .6326
    0.312 3.876 13.97     4.0273 .6126
    0.337 3.826 15.00 XHY 80 4.2713 .5972
    0.438 3.624 19.02   120 5.1790 .5361
    0.531 3.438 22.53   160 5.8997 .4822
    0.674 3.152 27.57 XXHY   6.7927 .4054
5 5.563 0.188 5.187 10.80     4.1161 1.0979
    0.219 5.125 12.51     4.7279 1.0716
    0.258 5.047 14.63 STD. 40 5.4500 1.0391
    0.281 5.001 15.87     5.8644 1.0204
    0.312 4.939 17.51     6.4074 .99647
    0.344 4.875 19.19     6.9358 .9696
    0.375 4.813 20.80 XHY 80 7.4300 .9449
    0.500 4.563 27.06   120 9.2534 .8495
    0.625 4.313 32.99   160 10.7976 .7590
    0.750 4.063 38.59 XXHY   12.0954 .6734
6 6.625 0.109 6.407 7.59   5 3.5769 1.6748
    0.134 6.357 9.30   10 4.3475 1.6488
    0.156 6.313 10.79     5.0107 1.6260
    0.188 6.249 12.94     5.9351 1.5937
    0.203 6.219 13.94     6.3804 1.5780
    0.219 6.187 15.00     6.8261 1.5620
    0.250 6.125 17.04     7.6905 1.5306
    0.280 6.065 18.99 STD. 40 8.4958 1.5008
    0.312 6.001 21.06     9.3416 1.4688
    0.344 5.937 23.10     10.111 1.4391
    0.375 5.875 25.05     10.893 1.4082
    0.432 5.761 28.60 XHY 80 12.224 1.3541
    0.500 5.625 32.74     13.711 1.2909
    0.562 5.501 36.43   120 14.9806 1.2346
    0.625 5.375 40.09     16.1821 1.1787
    0.719 5.187 45.39   160 17.8243 1.0977
    0.864 4.897 53.21 XXHY   20.025 .9784
    1.000 4.625 60.13     21.7719 .8727
    1.125 4.375 66.14     23.1237 .7809

AISI 4130 Pipe Size Chart

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

Alloy Steel P5 Chrome Moly Pipe Tensile

AISI 4130 Chromoly Tubing is renowned for its strength, durability, and versatility, making it a preferred choice in various industries. Its unique properties cater to a wide range of applications, showcasing its adaptability and reliability in demanding environments.

  1. Aerospace Industry:
    • AISI 4130 Chromoly Tubing finds extensive use in the aerospace sector for applications such as aircraft frames, roll cages, and structural components. Its lightweight yet robust nature contributes to fuel efficiency and overall performance.
  2. Motorsports:
    • In the motorsports industry, including racing cars and motorcycles, AISI 4130 Tubing is a staple material for constructing chassis, roll cages, and other structural elements. Its high strength-to-weight ratio is crucial for enhancing vehicle performance.
  3. Oil and Gas Exploration:
    • The tubing is employed in the oil and gas industry, particularly in downhole tools and equipment. Its corrosion resistance and durability make it suitable for harsh drilling and extraction environments.
  4. Automotive Applications:
    • AISI 4130 Chromoly Tubing is commonly used in the automotive sector for manufacturing components like suspension systems, steering columns, and other structural parts. Its ability to withstand varying loads and conditions contributes to vehicle safety and performance.
  5. Bicycle Manufacturing:
    • Due to its excellent combination of strength and weight, AISI 4130 Tubing is a popular choice in bicycle frame manufacturing. Cyclists benefit from the material’s durability and resilience during diverse riding conditions.
  6. Firearm Components:
    • The tubing is utilized in the production of firearm components, ensuring strength and reliability. Its versatility allows for the creation of various parts, contributing to the overall performance of firearms.
  7. General Engineering:
    • AISI 4130 Chromoly Tubing is employed in various general engineering applications where a high strength-to-weight ratio and durability are essential. Its adaptability makes it suitable for a wide range of structural projects.
  8. Construction and Infrastructure:
    • In the construction industry, the tubing is used for structural elements, providing a durable and reliable solution. Its versatility allows for customization to meet specific project requirements.
  9. Marine Applications:
    • AISI 4130 Tubing’s corrosion resistance makes it suitable for marine applications, including the construction of boat frames, roll cages, and other structural components exposed to saltwater environments.
  10. Power Generation:
    • The tubing is employed in power generation applications, such as the construction of turbine components and structural elements in power plants, where its strength and resilience are crucial.

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