37Mn 34CrMo4 Steel Alloy Hot Rolled Seamless Tube for Gas Cylinder
37Mn 34CrMo4 Steel Alloy Hot Rolled Seamless Tube for Gas Cylinder
| Chemical composition in % by mass | |||||||||||||||
| Steel grade | C | Si | Mn | P | S | Cr | Mo | Ni | |||||||
| Steel name | Steel | min | max | min | max | min | max | max | max | min | max | min | max | min | max |
| number | |||||||||||||||
| 38Mn6 | 1.1127 | 0,34 | 0,42 | 0,15 | 0,35 | 1,40 | 1,65 | 0,035 | 0,035 | – | – | – | – | – | – |
| 30CrMo4 | 1.7216 | 0,27 | 0,34 | – | 0,35 | 0,35 | 0,60 | 0,035 | 0,035 | 0,80 | 1,15 | 0,15 | 0,30 | – | – |
| 34CrMo4 | 1.722 | 0,30 | 0,37 | – | 0,40 | 0,60 | 0,90 | 0,035 | 0,035 | 0,90 | 1,20 | 0,15 | 0,30 | – | – |
| Mechanical properties for tubes made of steels in accordance with the delivery condition +QT | |||||||||||||||||
| Steel grade | Minimum tensile properties | ||||||||||||||||
| Steel name | Steel number | Yield strength (ReH) | Tensile strength ( Rm) | A% | |||||||||||||
| MPa | MPa | ||||||||||||||||
| For T in mm | For T in mm | For T in mm | |||||||||||||||
| ≤ 8 | > 8 | > 20 | > 50 | ≤ 8 | > 8 | > 20 | > 50 | ≤ 8 | > 8 | > 20 | > 50 | ||||||
| ≤ 20 | ≤ 50 | ≤ 80 | ≤ 20 | ≤ 50 | ≤ 80 | ≤ 20 | ≤ 50 | ≤ 80 | |||||||||
| l | t | l | t | l | t | l | t | ||||||||||
| 38Mn6 | 1.1127 | 620 | 570 | 470 | 400 | 850 | 750 | 650 | 550 | 13 | 11 | 14 | 12 | 15 | 13 | 16 | 14 |
| 30CrMo4 | 1.7216 | 750 | 630 | 520 | 480 | 950 | 850 | 750 | 700 | 12 | 10 | 13 | 11 | 14 | 12 | 15 | 13 |
| 34CrMo4 | 1.722 | 800 | 650 | 550 | 500 | 1000 | 900 | 800 | 750 | 11 | 9 | 12 | 10 | 14 | 12 | 15 | 13 |
Inner Mongolia Rational Industry Limited(IMRI)is a supplier of anti-corrosion coating steel pipe and seamless steel pipes. We have two production lines for external anti-corrosion coating, one production line for internal coating and one production line for insulating tubes. We mainly engage in accessory processing for Baotou Steel, which is the top 3 manufacturer of seamless steel pipe in China. At the same time, IMRI is a first-class distributor of Baotou Steel’s steel products. We have established a long-term strategic co-operation relationship with Baotou Steel.
Baotou Steel's Plant Area
Baotou Steel has 5 carbon seamless steel pipe production lines and 4 steel pipe heat treatment lines. Two of the world's most advanced PQF three-roll automatic rolling production line, one MPM two-roll automatic rolling production line. It can produce various kinds of carbon seamless steel pipe, including OCTG steel casing and tubing pipe, line pipe, low/high pressure boiler tube, hydraulic pillar tube, high pressure gas cylinder steel pipe, structure pipe, fluid conveying steel pipe, fitting, axle tube, rectangular tube, and so on. It can produce carbon seamless steel pipe in outer diameter from 38 mm to 457 mm, wall thickness from 2.9 mm to 60 mm with 180 tons annual output.
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API 5L, API 5CT, API 5DP, TUV, ISO, CCS certificated qualification and extreme standard let us keep very competitive in the current seamless steel pipe market. So there is no need for you to worry about the products quality.
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