JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Payment Terms | L/C, Western Union, T/T |
| Supply Ability | 20Ton per week |
| Delivery Time | 5 - 10 days based on the quantity |
| Packaging Details | standard packing for export |
| Products | seamless steel pipe |
| Diameter | DN10 - DN600 |
| Thickness | 1.0 - 50.0mm |
| Length | 6-10m or cutting as request |
| Standard | ASTM EN GB DIN |
| Technique | Hot Rolled |
| Service | Cutting any length as request |
| MOQ | 2 Ton |
| Brand Name | DELTA |
| Model Number | Carbon Steel , Alloy Steel |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, Western Union, T/T | Supply Ability | 20Ton per week |
| Delivery Time | 5 - 10 days based on the quantity | Packaging Details | standard packing for export |
| Products | seamless steel pipe | Diameter | DN10 - DN600 |
| Thickness | 1.0 - 50.0mm | Length | 6-10m or cutting as request |
| Standard | ASTM EN GB DIN | Technique | Hot Rolled |
| Service | Cutting any length as request | MOQ | 2 Ton |
| Brand Name | DELTA | Model Number | Carbon Steel , Alloy Steel |
| Certification | ISO | Place of Origin | China |
| High Light | Heavy Wall Steel Pipe ，AISI4140 Steel Pipe ，6m Steel Pipe | ||
Structure Steel Pipe Tube ASTM A519 AISI4140 Heavy Wall Steel Pipe in 6m Length
| Sizes | 1/2" NB to 36" NB |
|---|---|
| Specification | ASTM A519/ ASME SA519 |
| Length | Single and Double Random, Cut to Length |
| Tolerance | Cold rolled tube: +/-0.05 millimetre Cold drawn tube: +/-0.1 millimetre |
| Thickness | 3 - 12 millimeter, Cut to length |
| Form | Hydraulic, Square, Rectangular, Round Etc. |
| End | Beveled, Threaded, Plain |
| Type | Welded | CDW | ERW | DOM | Seamless | Fabricated | CEW | LSAW |
| Surface Finish | 2B, No.1, No.4, No.8 Mirror Finish |
| Schedule Thickness Ranges | SCH XS, SCH 40, SCH 80S, SCH 5, SCH 80, SCH XXS, SCH 160, SCH10, All Schedules |
| Delivery Condition | Annealed & Pickled, Polished, Bright & Annealed, etc |
| GRADE | ASTM A519 4140 |
|---|---|
| UNS | G41400 |
| DIN | 1.7225 |
| Size NPS | O.D. | Sch. Pipe # | I.D. Pipe | Gallon Capacity Per Linear Foot | Wall Thk. | Standard to XXHY | Wght per Foot | Section Modulus |
|---|---|---|---|---|---|---|---|---|
| 1/2 | 0.84 | 40 | 0.622 | .0158 | 0.109 | STD | 0.85 | .0407 |
| 80 | 0.546 | .0122 | 0.147 | XHY | 1.09 | .0478 | ||
| 160 | 0.464 | .0088 | 0.188 | 1.31 | .0528 | |||
| 0.252 | .0026 | 0.294 | XXHY | 1.72 | .0577 | |||
| 3/4 | 1.05 | 40 | 0.824 | .0277 | 0.113 | STD | 1.13 | .0705 |
| 80 | 0.742 | .0225 | 0.154 | XHY | 1.48 | .0853 | ||
| 160 | 0.612 | .0153 | 0.219 | 1.95 | .1006 | |||
| 0.434 | .0077 | 0.308 | XXHY | 2.44 | .1103 | |||
| 1 | 1.315 | 40 | 1.049 | .0449 | 0.133 | STD | 1.68 | .1328 |
| 80 | 0.957 | .0374 | 0.179 | XHY | 2.17 | .1606 | ||
| 160 | 0.815 | .0271 | 0.250 | 2.85 | .1904 | |||
| 0.599 | .0146 | 0.358 | XXHY | 3.66 | .2136 | |||
| 1 1/4 | 1.66 | 40 | 1.380 | .0777 | 0.140 | STD | 2.27 | .2346 |
| 80 | 1.278 | .0666 | 0.191 | XHY | 3.00 | .2913 | ||
| 160 | 1.160 | .0549 | 0.250 | 3.77 | .3421 | |||
| 0.896 | .0328 | 0.382 | 5.22 | .4110 | ||||
| 1 1/2 | 1.90 | 40 | 1.610 | .1058 | 0.145 | STD | 2.72 | .3262 |
| 80 | 1.500 | .0918 | 0.200 | XHY | 3.63 | .4118 | ||
| 160 | 1.338 | .0730 | 0.281 | 4.86 | .5079 | |||
| 1.100 | .0494 | 0.400 | 6.41 | .5977 | ||||
| 2 | 2.375 | 10 | 2.157 | .1898 | 0.109 | 2.64 | .4205 | |
| 40 | 2.067 | .1743 | 0.154 | STD | 3.66 | .5606 | ||
| 80 | 1.939 | .1534 | 0.218 | XHY | 5.03 | .7309 | ||
| 1.875 | .1434 | 0.250 | 5.68 | .8045 | ||||
| 1.813 | .1344 | 0.281 | 6.29 | .8666 | ||||
| 160 | 1.687 | .1161 | 0.344 | 7.47 | .9806 | |||
| 1.503 | .0922 | 0.436 | XXHY | 9.04 | 1.1043 | |||
| 2 1/2 | 2.875 | 10 | 2.635 | .2833 | 0.120 | 3.53 | .6870 | |
| 40 | 2.469 | .2487 | 0.203 | STD. | 5.80 | 1.0640 | ||
| 2.443 | .2435 | 0.216 | 6.14 | 1.1169 | ||||
| 2.375 | .2301 | 0.250 | 7.02 | 1.2468 | ||||
| 80 | 2.323 | .2202 | 0.276 | XHY | 7.67 | 1.3386 | ||
| 160 | 2.125 | .1842 | 0.375 | 10.02 | 1.6371 | |||
| 1.771 | .1280 | 0.552 | XXXHY | 13.71 | 1.9971 | |||
| 3 | 3.50 | 3.260 | .4336 | 0.120 | 4.34 | 1.0411 | ||
| 3.188 | .4147 | 0.156 | 5.58 | 1.3122 | ||||
| 3.156 | .4064 | 0.172 | 6.12 | 1.4265 | ||||
| 3.124 | .3984 | 0.188 | 6.66 | 1.5342 | ||||
| 40 | 3.068 | .3840 | 0.216 | STD. | 7.58 | 1.7241 | ||
| 3.000 | .3672 | 0.250 | 8.69 | 1.9372 | ||||
| 2.938 | .3521 | 0.281 | 9.67 | 2.1207 | ||||
| 80 | 2.900 | .3431 | 0.300 | XHY | 10.26 | 2.2253 | ||
| 160 | 2.624 | .2811 | 0.438 | 14.34 | 2.8774 | |||
| 2.300 | .2158 | 0.600 | XXHY | 18.6 | 3.4243 | |||
| 3 1/2 | 4.0 | 10 | 3.760 | .5768 | 0.120 | 4.98 | 1.3776 | |
| 140 | 3.548 | .5136 | 0.226 | STD. | 9.12 | 2.3939 | ||
| 3.500 | .4998 | 0.250 | 10.02 | 2.6001 | ||||
| 3.438 | .4821 | 0.281 | 11.17 | 2.8562 | ||||
| 80 | 3.364 | .4617 | 0.318 | XHY | 12.52 | 3.1400 | ||
| 2..728 | .3085 | 0.636 | XXHY | 22.87 | 4.8795 | |||
| 4 | 4.5 | 10 | 4.260 | .7404 | 0.120 | 5.62 | 1.7612 | |
| 4.188 | .7156 | 0.156 | 7.24 | 2.2354 | ||||
| 4.124 | .6942 | 0.188 | 8.67 | 2.6296 | ||||
| 4.094 | .6838 | 0.203 | 9.32 | 2.8173 | ||||
| 4.062 | .6725 | 0.219 | 10.02 | 3.0184 | ||||
| 40 | 4.026 | .6613 | 0.237 | STD. | 10.80 | 3.2145 | ||
| 4.000 | .6528 | 0.250 | 11.36 | 3.3611 | ||||
| 60 | 3.938 | .6326 | 0.281 | 12.67 | 3.7021 | |||
| 3.876 | .6126 | 0.312 | 13.97 | 4.0273 | ||||
| 80 | 3.826 | .5972 | 0.337 | XHY | 15.00 | 4.2713 | ||
| 120 | 3.624 | .5361 | 0.438 | 19.02 | 5.1790 | |||
| 160 | 3.438 | .4822 | 0.531 | 22.53 | 5.8997 | |||
| 3.152 | .4054 | 0.674 | XXHY | 27.57 | 6.7927 | |||
| 5 | 5.563 | 5.187 | 1.0979 | 0.188 | 10.80 | 4.1161 | ||
| 5.125 | 1.0716 | 0.219 | 12.51 | 4.7279 | ||||
| 40 | 5.047 | 1.0391 | 0.258 | STD. | 14.63 | 5.4500 | ||
| 5.001 | 1.0204 | 0.281 | 15.87 | 5.8644 | ||||
| 4.939 | .99647 | 0.312 | 17.51 | 6.4074 | ||||
| 4.875 | .9696 | 0.344 | 19.19 | 6.9358 | ||||
| 80 | 4.813 | .9449 | 0.375 | XHY | 20.80 | 7.4300 | ||
| 120 | 4.563 | .8495 | 0.500 | 27.06 | 9.2534 | |||
| 160 | 4.313 | .7590 | 0.625 | 32.99 | 10.7976 | |||
| 4.063 | .6734 | 0.750 | XXHY | 38.59 | 12.0954 | |||
| 6 | 6.625 | 5 | 6.407 | 1.6748 | 0.109 | 7.59 | 3.5769 | |
| 10 | 6.357 | 1.6488 | 0.134 | 9.30 | 4.3475 | |||
| 6.313 | 1.6260 | 0.156 | 10.79 | 5.0107 | ||||
| 6.249 | 1.5937 | 0.188 | 12.94 | 5.9351 | ||||
| 6.219 | 1.5780 | 0.203 | 13.94 | 6.3804 | ||||
| 6.187 | 1.5620 | 0.219 | 15.00 | 6.8261 | ||||
| 6.125 | 1.5306 | 0.250 | 17.04 | 7.6905 | ||||
| 40 | 6.065 | 1.5008 | 0.280 | STD. | 18.99 | 8.4958 | ||
| 6.001 | 1.4688 | 0.312 | 21.06 | 9.3416 | ||||
| 5.937 | 1.4391 | 0.344 | 23.10 | 10.111 | ||||
| 5.875 | 1.4082 | 0.375 | 25.05 | 10.893 | ||||
| 80 | 5.761 | 1.3541 | 0.432 | XHY | 28.60 | 12.224 | ||
| 5.625 | 1.2909 | 0.500 | 32.74 | 13.711 | ||||
| 120 | 5.501 | 1.2346 | 0.562 | 36.43 | 14.9806 | |||
| 5.375 | 1.1787 | 0.625 | 40.09 | 16.1821 | ||||
| 160 | 5.187 | 1.0977 | 0.719 | 45.39 | 17.8243 | |||
| 4.897 | .9784 | 0.864 | XXHY | 53.21 | 20.025 | |||
| 4.625 | .8727 | 1.000 | 60.13 | 21.7719 | ||||
| 4.375 | .7809 | 1.125 | 66.14 | 23.1237 |
| NB | Size (inch) | O.D. | 40S | 5S | 10S | S10 | S20 | S40 | S60 | XS/80S | S80 | S100 | S120 | S140 | S160 | XXS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | ||
| 1/8 | 10.29 | 1.2 | 1.73 | 2.41 | ||||||||||||
| 1/4 | 13.72 | 1.7 | 2.24 | 3.02 | ||||||||||||
| 3/8 | 17.15 | 1.7 | 2.31 | 3.2 | ||||||||||||
| 15 | 1/2 | 21.34 | 2.8 | 1.7 | 2.1 | 2.77 | 3.73 | 3.73 | 4.78 | 7.47 | ||||||
| 20 | 3/4 | 26.67 | 2.9 | 1.7 | 2.1 | 2.87 | 3.91 | 3.91 | 5.56 | 7.82 | ||||||
| 25 | 1 | 33.4 | 3.4 | 1.7 | 2.8 | 3.38 | 4.55 | 4.55 | 6.35 | 9.09 | ||||||
| 32 | 1 1/4 | 42.16 | 3.6 | 1.7 | 2.8 | 3.56 | 4.85 | 4.85 | 6.35 | 9.7 | ||||||
| 40 | 1 1/2 | 48.26 | 3.7 | 1.7 | 2.8 | 3.68 | 5.08 | 5.08 | 7.14 | 10.2 | ||||||
| 50 | 2 | 60.33 | 3.9 | 1.7 | 2.8 | 3.91 | 5.54 | 5.54 | 9.74 | 11.1 | ||||||
| 65 | 2 1/2 | 73.03 | 5.2 | 2.1 | 3.1 | 5.16 | 7.01 | 7.01 | 9.53 | 14 | ||||||
| 80 | 3 | 88.9 | 5.5 | 2.1 | 3.1 | 5.49 | 7.62 | 7.62 | 11.1 | 15.2 | ||||||
| 90 | 3 1/2 | 101.6 | 5.7 | 2.1 | 3.1 | 5.74 | 8.08 | 8.08 | ||||||||
| 100 | 4 | 114.3 | 6 | 2.1 | 3.1 | 6.02 | 8.56 | 8.56 | 11.1 | 13.5 | 17.1 | |||||
| 125 | 5 | 141.3 | 6.6 | 2.8 | 3.4 | 6.55 | 9.53 | 9.53 | 12.7 | 15.9 | 19.1 | |||||
| 150 | 6 | 168.3 | 7.1 | 2.8 | 3.4 | 7.11 | 10.97 | 11 | 14.3 | 18.3 | 22 | |||||
| 200 | 8 | 219.1 | 8.2 | 2.8 | 3.8 | 6.4 | 8.18 | 10.3 | 12.7 | 12.7 | 15.1 | 19.3 | 20.6 | 23 | 22.2 | |
| 250 | 10 | 273.1 | 9.3 | 3.4 | 4.2 | 6.4 | 9.27 | 12.7 | 12.7 | 15.1 | 19.3 | 21.4 | 25.4 | 28.6 | 25.4 | |
| 300 | 12 | 323.9 | 9.5 | 4 | 4.6 | 6.4 | 10.3 | 14.3 | 12.7 | 17.5 | 21.4 | 25.4 | 28.6 | 33.3 | 25.4 | |
| 350 | 14 | 355.6 | 9.5 | 4 | 4.8 | 6.4 | 7.9 | 11.1 | 15.1 | 12.7 | 19.1 | 23.8 | 27.8 | 31.8 | 35.7 | |
| 400 | 16 | 406.4 | 9.5 | 4.2 | 4.8 | 6.4 | 7.9 | 12.7 | 16.7 | 12.7 | 21.4 | 26.2 | 31 | 36.5 | 40.5 | |
| 450 | 18 | 457.2 | 9.5 | 4.2 | 4.8 | 6.4 | 7.9 | 14.3 | 19.1 | 12.7 | 23.8 | 29.4 | 34.9 | 39.7 | 45.2 | |
| 500 | 20 | 508 | 9.5 | 4.8 | 5.5 | 6.4 | 9.5 | 15.1 | 20.6 | 12.7 | 26.2 | 32.5 | 38.1 | 44.5 | 50 | |
| 550 | 22 | 558.8 | 9.5 | 4.8 | 5.5 | 6.4 | 9.5 | 22.2 | 12.7 | 28.6 | 34.9 | 41.3 | 47.6 | 54 | ||
| 600 | 24 | 609.6 | 9.5 | 5.5 | 6.4 | 6.4 | 9.5 | 17.5 | 24.6 | 12.7 | 31 | 38.9 | 46 | 52.4 | 59.5 | |
| 650 | 26 | 660.4 | 9.5 | 7.9 | 13 | 12.7 | ||||||||||
| 700 | 28 | 711.2 | 9.5 | 7.9 | 13 | 12.7 | ||||||||||
| 750 | 30 | 762 | 9.5 | 6.4 | 7.9 | 7.9 | 13 | 12.7 | ||||||||
| 800 | 32 | 812.8 | 9.5 | 7.9 | 13 | 17.5 | 12.7 | |||||||||
| 850 | 34 | 863.6 | 9.5 | 7.9 | 13 | 17.5 | 12.7 | |||||||||
| 900 | 36 | 914.4 | 9.5 | 7.9 | 13 | 19.1 | 12.7 |
| Range | C | Si | Mn | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| Min | 0.38 | 0.15 | 0.75 | - | - | 0.8 | 0.15 |
| Max | 0.43 | 0.35 | 1 | 0.035 | 0.04 | 1.1 | 0.25 |
| O.D. * Thk. | O.D. * Thk. | O.D. * Thk. |
|---|---|---|
| 57 * 4.9 | 38.1 * 3.2 | 76.2 * 4 |
| 57 * 6.3 | 38.1 * 4 | 76.2 * 5 |
| 57 * 7.9 | 38.1 * 6.3 | 76.2 * 6.3 |
| 60.3 * 3.2 | 42.4 * 3.2 | 82.5 * 4.5 |
| 60.3 * 3.6 | 42.4 * 4 | 88.9 * 3.2 |
| 60.3 * 5 | 44.5 * 3.2 | 88.9 * 3.6 |
| 63.5 * 3.2 | 44.5 * 6.3 | 88.9 * 4 |
| 63.5 * 3.6 | 48.3 * 3.2 | 101.6 * 3.6 |
| 63.5 * 4 | 48.3 * 3.6 | 101.6 * 4.5 |
| 63.5 * 6.3 | 50.8 * 4.5 | 101.6 * 6.3 |
| 63.5 * 7.9 | 51 * 3.2 | 114.3 * 3.6 |
| 70 * 3.2 | 51 * 3.6 | 114.3 * 5 |
| 70 * 3.6 | 51 * 6.3 | 139.7 * 4 |
| 70 * 6.3 | 57 * 3.2 | 139.7 * 5 |
| 76.2 * 3.6 | 57 * 3.6 | 139.7 * 6.3 |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm3 | 0.284 lb/in³ |
| Properties | Metric | Imperial |
|---|---|---|
| Melting point | 1416°C | 2580°F |
| Condition | Grade | Medium |
|---|---|---|
| Quenched and tempered | A519-4140 | Polymer or oil |
| Annealed or normalized | A519-4140 | Air |
| Properties | Metric | Imperial |
|---|---|---|
| Thermal conductivity (@ 100°C) | 42.6 W/mK | 296 BTU in/hr.ft².°F |
| Thermal expansion co-efficient (@ 0-100°C/32-212°F) | 12.2 µm/m°C | 6.78 µin/in°F |
| GB/T 3077 | JIS | AISI/SAE | DIN | BS | ISO |
|---|---|---|---|---|---|
| 30CrMo | SCM420 | 4140 | 25CrMo4 | 25CrMo4 | - |
| 30CrMoA | SCM430 | 4140 | 34CrMo4 | 34CrMo4 | - |
| Tensile Strength | 689 MPa min | 100,000 psi min |
| Yield Strength | 552 MPa min | 655 MPa max |
| 80,000 psi min | 95,000 psi max | |
| Total Elongation Under Load | 20.000 % | - |
| Hardness | 23 Max HRC |
| Grade Designation | Condition | Ultimate Strength | Yield Strength | Elongation in 2 in.or 50mm,% | Rockwell,Hardness B Scale | ||
| ksi | Mpa | ksi | Mpa | ||||
| 4140 | HR | 90 | 621 | 70 | 483 | 20 | 89 |
| SR | 105 | 724 | 85 | 586 | 10 | 95 | |
| A | 75 | 517 | 55 | 379 | 30 | 81 | |
| N | 90 | 621 | 60 | 414 | 20 | 89 | |
FAQ
1. Do you have your own factory?
Yes, we do. We have our own factory, and we can provide stable stock with competitive price and good quality.
2. Which payment can you accept?
1).100% irrevocable L/C at sight.
2).30% T/T prepaid and the balance against the copy of B/L.
3).30% T/T prepaid and the balance against L/C.
3. How about the delivery time?
10-15 days after receiving the deposit.
4. Why do you choose our company?
1). We have a more stable stock with competitive price and good quality.
2). We have more experience on the international trade with good faith.
3). We can provide the personal customized service, such as adding your company's logo on the products, the specified color and so
on.
5. Can you send a sample for the inspection?
Yes, we can. We can send you the sample freely.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
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