JIANGSU MITTEL STEEL INDUSTRIAL LIMITED |
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Structure Steel Pipe Tube ASTM A519 AISI4140 Heavy Wall Steel Pipe in 6m Length
Sizes | 1/2" NB to 36" NB |
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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 |
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Density | 7.85 g/cm3 | 0.284 lb/in³ |
Properties | Metric | Imperial |
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Melting point | 1416°C | 2580°F |
Condition | Grade | Medium |
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Quenched and tempered | A519-4140 | Polymer or oil |
Annealed or normalized | A519-4140 | Air |
Properties | Metric | Imperial |
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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.