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KIRAN PIPE FITTING & MANUFACTURING COMPANY. is a highly acclaimed manufacturer of an extensive range of Carbon Steel ST 37/ ST 52 Pipes. We ensure to provide Carbon Steel ST 37/ ST 52 Pipes having excellent features and advantages like high strength, reliability, durability, and superior finish. These Pipes have low maintenance and efficient in performance. These pipes are available in different dimensions, sizes, and specifications to meet exact application requirements. We offer Carbon Steel ST 37/ ST 52 Pipes in customized thickness and sizes as per the specific demands of our esteemed clients.
Our professionals develop Carbon Steel ST 37/ ST 52 Pipes with superior quality raw materials concerning the national and international quality. We fabricate Carbon Steel Pipes at our well-equipped fabrication unit under the supervision of our qualified professionals. These Pipes can withstand high temperatures and pressure load applications. They are corrosion resistant having rust proof finish. We offer to customize these pipes according to the demands of our customers. We offer these Pipes with the perfect material according to the client’s requirements at the reasonable cost.
We design superior quality Carbon Steel ST 37/ ST 52 Pipes, which serves the demands and requirements of various industrial applications. We ensure to update and maintain our equipment regularly so that we can serve the quality products to our valued clients. We offer high-grade Carbon Steel ST 37/ ST 52 Pipes at reasonable and standard industry prices. These pipes have advantages like robust construction, reliable performance, and longer service life. We carry out all types of tests for our products under the inspection of our quality experts. We follow all the national and international quality standards to make sure the long service life of the products.
Pipe Standard : DIN2391
Grade : ST 35 , ST 37.4 , ST 45 & ST 52
Outside Diameter Ranges : 1/8’’~48’’ Or DN6~DN1200 Or 10.3mm~1219mm
I.D Roughness : 0.4-0.8
Inside Diameter Tolerance : H7-H10
Form : Round, Square, Rectangular, Hydraulic Etc
Size : 1/2” NB to 36” NB
Outside Diameter : 13.72mm-914.4mm
Wall Thickness : 1.25mm-50mm
Length : Single Random Length | 16ft-22ft/4.8m-6.7m
Double Random Length | 22ft-35ft/6.7m-10.7m
Fixed Length | 16ft-41ft/4.8m-12.5m
common Length | 6m, 12m
Min 3 Meters, Max18 Meters, or according to customer’s requirement
Schedules : SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
End : Plain End, Beveled End, Treaded
End Protection : Plastic Caps
Type : Seamless / Welded / American Welded / Fabricated / ERW
Specialized in : Large Diameter ST 52 ST37 Pipe, din st 52, st 37 welded steel pipe, DIN 2391 St 37 St 52 Honed Tube for Hydraulic Cylinder and Pneumatic Cylinder
| Grade | EN | BS NFA 49.210/49.112 | ASTM |
| St 37 | EN 10216.1Grade P235 T1 | Grade TU 37 B TU E 220 A | ASTM A53 Gr B |
| St 52 | EN 10216-3Grade P355N | NFA Grade P355N | ASME SA 381 Grade Y 52 |
We fabricate premium quality Carbon Steel ST 37/ ST 52 Pipes which are suitable for industries such as, high pressure applications, Paper & Pulp Companies, Chemical Refinery, Oil and Gas Industry, High Temperature Application, Pipeline, Water Pipe Line, Food Processing Industries, Nuclear Power Plants, Boiler and Heat Exchangers etc. We offer numerous ways of packaging and shipping to deliver the products to the customer’s locations safely.
Cold Drawn St37 St52 Steel Seamless Pipes
St37 St52 CS Cold Drawn Seamless Pipe
ST 37 Seamless Carbon Steel Pipe
ST 52 Seamless Steel Pipe
DIN 2391 ST 37 Carbon Steel Welded Pipe
DIN 2391 ST 52 Welded Pipe
Carbon Steel ST37 Welded Pipe
ST 52 Carbon Steel Welded Pipe
DIN2391 EN10305 carbon steel St37 precision pipe
ST 52 High Precision Seamless Pipe
DIN 2391 ST37 Carbon Steel Precision Pipe
DIN 2391 ST52 Precision Pipe
ST 37 Honed Hydraulic Steel Pipes
Carbon Steel ST 52 Hydraulic Pipes
DIN 2391 ST37 CS Seamless Hydraulic Pipes
ST52 Hydraulic Cylinder Pipes
All Pipes is manufactured and tested / inspected to the relevant standards including ASTM, ASME and API etc.
| Pipe/Tube | NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
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| ST 37 Seamless Pipes | 1/8″ |
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| ST 52 Seamless Pipes | 1/4″ |
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| ST 37 | ST 52 Pipes | 3/8″ |
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| ST 37 | ST 52 Steel Pipes | 1/2″ |
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| ST 37 | ST 52 Seamless Pipes | 3/4″ |
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| Carbon Steel ST 37 | ST 52 Pipes | 1″ |
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| ST 37 | ST 52 Pipes | 1 1/4″ |
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| ST 37 | ST 52 Pipes | 1 1/2″ |
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| ST 37 | ST 52 Seamless Pipes | 2″ |
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| ST 37 | ST 52 Pipes | 2 1/2″ |
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| ST 37 | ST 52 Pipes | 3″ |
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| ST 37 | ST 52 Pipes | 4″ |
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| ST 37 | ST 52 Pipes | 5″ |
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| Carbon Steel ST 37 | ST 52 Pipes | 6″ |
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| Steel Grade | C | Si | Mn | P | S |
| St37 | ≤0.17 | - | - | ≤0.035 | ≤0.035 |
| St52.0 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.035 | ≤0.035 |
| Maximum Allowable Pressure (psi) | ||||||||||||||
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| NPS | Outside Diameter | Schedule | ||||||||||||
| (in) | (in) | 10 | 20 | 30 | STD | 40 | 60 | XS | 80 | 100 | 120 | 140 | 160 | XXS |
| 1/4 | 0.54 | 7985 | 7985 | 10798 | 10798 | |||||||||
| 3/8 | 0.675 | 6606 | 6606 | 9147 | 9147 | |||||||||
| 1/2 | 0.84 | 6358 | 6358 | 8575 | 8575 | 10908 | 17150 | |||||||
| 3/4 | 1.05 | 5273 | 5273 | 7187 | 7187 | 10220 | 14373 | |||||||
| 1 | 1.315 | 4956 | 4956 | 6670 | 6670 | 9316 | 13340 | |||||||
| 1 1/4 | 1.66 | 4133 | 4133 | 5638 | 5638 | 7380 | 11276 | |||||||
| 1 1/2 | 1.9 | 3739 | 3739 | 5158 | 5158 | 7247 | 10316 | |||||||
| 2 | 2.375 | 3177 | 3177 | 4498 | 4498 | 7097 | 8995 | |||||||
| 2 1/2 | 2.875 | 3460 | 3460 | 4704 | 4704 | 6391 | 9408 | |||||||
| 3 | 3.5 | 3024 | 3024 | 4200 | 4200 | 6132 | 8400 | |||||||
| 3 1/2 | 4 | 2769 | 2769 | 3896 | 3896 | |||||||||
| 4 | 4.5 | 2581 | 2581 | 3670 | 3670 | 4769 | 5782 | 7339 | ||||||
| 5 | 5.563 | 2273 | 2273 | 3303 | 3303 | 4404 | 5505 | 6606 | ||||||
| 6 | 6.625 | 2071 | 2071 | 3195 | 3195 | 4157 | 5318 | 6390 | ||||||
| 8 | 8.625 | 1420 | 1574 | 1829 | 1829 | 2307 | 2841 | 2841 | 3375 | 4085 | 4613 | 5147 | 4971 | |
| 10 | 10.75 | 1140 | 1399 | 1664 | 1664 | 2279 | 2279 | 2708 | 3277 | 3847 | 4558 | 5128 | 4558 | |
| 12 | 12.75 | 961 | 1268 | 1441 | 1560 | 2160 | 1922 | 2644 | 3244 | 3843 | 4324 | 5042 | 3843 | |
| 14 | 14 | 875 | 1092 | 1313 | 1313 | 1533 | 2079 | 1750 | 2625 | 3283 | 3829 | 4375 | 4921 | |
| 16 | 16 | 766 | 956 | 1148 | 1148 | 1531 | 2009 | 1531 | 2585 | 3157 | 3733 | 4404 | 4882 | |
| 18 | 18 | 681 | 849 | 1192 | 1021 | 1530 | 2042 | 1361 | 2553 | 3147 | 3743 | 4252 | 4848 | |
| 20 | 20 | 613 | 919 | 1225 | 919 | 1455 | 1989 | 1225 | 2526 | 3138 | 3675 | 4288 | 4824 | |
| 22 | 22 | 557 | 835 | 1114 | 835 | 1949 | 1114 | 2506 | 3063 | 3619 | 4176 | 4733 | ||
| 24 | 24 | 510 | 766 | 1147 | 766 | 1405 | 1978 | 1021 | 2489 | 3126 | 3700 | 4210 | 4786 | |
| 30 | 30 | 510 | 817 | 1021 | 613 | 817 | ||||||||
| 32 | 32 | 478 | 766 | 957 | 574 | 1054 | ||||||||
| 34 | 34 | 450 | 721 | 901 | 540 | 992 | ||||||||
| 36 | 36 | 425 | 681 | 851 | 510 | 1021 | ||||||||
| 42 | 42 | 583 | 729 | 438 | 875 | |||||||||
| Steel Grade | Tensile strengtd(Mpa) | Yield point(Mpa) | Elongation(%)L | Elongation(%)T |
| St37 | 350-480 | ≥235 | ≥25 | ≥23 |
| St52.0 | 500-650 | ≥355 | ≥21 | ≥19 |
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