Standard: (GB699-1988, GB700-1988, GB3077-1988, GB702-1986, QJ/HG02.17-1991), under the table with the standard bar:
Material | Specification | Material | Specification |
8#-10# | ∮16-290 | 65Mn | ∮40-300 |
15# | ∮14-150 | 45Mn2 | ∮18-75 |
20# | ∮8-480 | 60Si2Mn | ∮16-150 |
35# | ∮8-480 | 20CrMnTi | ∮10-480 |
45# | ∮6.5-480 | 20crmnTiB | ∮16-75 |
Q235B | ∮6.5-180 | GCr15 | ∮16-400 |
40Cr | ∮8-480 | ML35 | ∮8-150 |
20Cr | ∮10-480 | T8-T13 | ∮8-480 |
42CrMo | ∮12-480 | Cr12 | ∮16-300 |
35CrMo | ∮12-480 | Cr12MoV | ∮16-300 |
20CrMo | ∮12-300 | 3Cr2W8V | ∮16-300 |
38CrMoAL | ∮20-300 | 45Cr50Cr | ∮20-300 |
5CrMnMo | ∮20-450 | 20CrMnMo | ∮20-300 |
16Mn(Q345B) | ∮14-365 | 40Mn2 | ∮28-60 |
50Mn | ∮40-200 | 35Cr | ∮55 |
15CrMo | ∮21∮24∮75 | 15Mn | ∮32∮170 |
25# | ∮16-280 | 40CrMnMo | ∮80-∮160 |
YF45MnV | ∮28-80 | 20CrMnMo | ∮20-300 |
30# | ∮6.5-480 | 27 SiMn | ∮20-350 |
30Crmo | ∮28 | Crwmn | ∮20-300 |
30CrmnTi | ∮16-300 | H13(4Cr5MoSiVi) | ∮20-300 |
60# | ∮210.∮260 | 40crNimo | ∮20-400 |
The calculation formula of round steel weight: ODХODХ0.00617=kg/m
Diameter(model) | Theoretical weight (kg/m) | Diameter(model) | Theoretical weight (kg/m) |
5.5 | 0.186 | 13 | 1.04 |
6 | 0.222 | 14 | 1.21 |
6.5 | 0.26 | 15 | 1.39 |
7 | 0.302 | 16 | 1.58 |
8 | 0.395 | 17 | 1.78 |
9 | 0.499 | 18 | 2 |
10 | 0.617 | 19 | 2.23 |
* 11 | 0.746 | 20 | 2.47 |
12 | 0.888 | 21 | 2.72 |
22 | 2.98 | 63 | 24.5 |
* 23 | 3.26 | * 65 | 26 |
24 | 3.55 | * 68 | 28.5 |
25 | 3.85 | 70 | 30.2 |
26 | 4.17 | 75 | 34.7 |
* 27 | 4.49 | 80 | 39.5 |
28 | 4.83 | 85 | 44.5 |
* 29 | 5.18 | 90 | 49.9 |
30 | 5.55 | 95 | 55.6 |
* 31 | 5.92 | 100 | 61.7 |
32 | 6.31 | 105 | 68 |
* 33 | 6.71 | 110 | 74.6 |
34 | 7.13 | 115 | 81.5 |
* 35 | 7.55 | 120 | 88.8 |
36 | 7.99 | 125 | 96.3 |
38 | 8.9 | 130 | 104 |
40 | 9.86 | 140 | 121 |
42 | 10.9 | 150 | 139 |
45 | 12.5 | 160 | 158 |
48 | 14.2 | 170 | 178 |
50 | 15.4 | 180 | 200 |
53 | 17.3 | 190 | 223 |
* 55 | 18.6 | 200 | 247 |
56 | 19.3 | 220 | 298 |
* 58 | 20.7 | 250 | 385 |
60 | 22.2 |


Jiangsu HYT, founded in 2015, is a wholly-owned subsidiary of Wuxi Lusheng Special Steel Co, Ltd which is responsible for overseassales and market exploitation of various kinds of steel pipes.
Our Group, certified by ISO and SGS, is a high-tech enterprise integrating research, development, production and sales of steel products made of stainless steel, carbon steel and alloy steel. HYT owns independent steel mills which can meet customers' requirements on the quality, quantity, precision and customization of steel products.







We sincerely hope to establish a long-term and extensive strategic partnership with ourcustomers for mutual benefit and common development!

What's keeping you from placing your order?
1,Who is HYTHYT is a manufacturer specializing in steel exporting business for 8 years. HYT main steel products include plate, sheet, coil, strip, bar, pipe, tube, etc. made of stainless steel, carbon steel and alloy steel.
2,How long is HYT steel pipe delivery time?
lt takes around 3-5 days for the regular models, and 7 to 10 working days for the special sizes and processing. lt is based on the order quantity and requirement.
3,Does HYT provide samples? Is it free or extra?
Yes, we would send you small samples for free; the size is 80x110mm. And the sample book is 250x350mm. Most of models have stock, and also can be customized and need around 4 to 6 days.
4,What are terms of delivery and payment?
Accepted Delivery Terms: EXW,FOB,CFR,CIF,DDU,DDP
Accepted Payment Terms: T/T, L/C, D/P, etc.
5,Does HYT have any assurance for steel products?
You will get a physical and mechanical test report of the product that you order from steel mill. In addition, you can enjoy free exchange and return policy due to steel product quality and after-sales warranty for 1 year.
6,Does HYT offer a service for customized products?
Yes, we can produce customized products exactly as your specification and CAD drawing.