Description
GB 18248 Gas Cylinder Tube
This standard applies to the manufacture of seamless steel tubes for gas cylinders and accumulator shell. linkun steel mainly supplying 37Mn gas bottle pipe, 30CrMo, 35CrMo and 34CrMo4 seamless steel pipe for gas cylinder tubing.
Grade: 37Mn, 34Mn2V, 30CrMo, 35CrMo, 34CrMo4, 30CrMnSiA
OD: 48 – 711mm
WT: 3.1 – 38mm
Length: 4 – 12m
Delivery Condition: Without heat treatment, Quenched + Tempered, Normalized + Tempered
Chemical Composition of Gas Cylinder Tube
| Grade | C | Si | Mn | P | S b | P＋S | Cr | Mo | V | Ni | Cu |
| 37Mn | 0.34 – 0.40 | 0.10 – 0.30 | 1.35 – 1.75 | ≤ 0.020 | ≤ 0.020 | ≤ 0.030 | ≤0.30 | － | － | ≤0.30 | ≤0.20 |
| 34Mn2V | 0.30 – 0.37 | 0.17 – 0.37 | 1.40 – 1.75 | ≤ 0.020 | ≤ 0.020 | ≤ 0.030 | ≤0.30 | － | 0.07 – 0.12 | ≤0.30 | ≤0.20 |
| 30CrMo | 0.26 – 0.34 | 0.17 – 0.37 | 0.40 – 0.70 | ≤0.020 | ≤ 0.020 | ≤ 0.030 | 0.80 – 1.10 | 0.15 – 0.25 | － | ≤0.30 | ≤0.20 |
| 35CrMo | 0.32 – 0.40 | 0.17 – 0.37 | 0.40 – 0.70 | ≤ 0.020 | ≤ 0.020 | ≤ 0.030 | 0.80 – 1.10 | 0.15 – 0.25 | － | ≤0.30 | ≤0.20 |
| 34CrMo4 | 0.30 – 0.37 | ≤0.40 | 0.60 – 0.90 | ≤ 0.020 | ≤ 0.020 | ≤ 0.030 | 0.90 – 1.20 | 0.15 – 0.30 | － | ≤0.30 | ≤0.20 |
| 30CrMnSiA | 0.28 – 0.34 | 0.90 – 1.20 | 0.80 – 1.10 | ≤ 0.020 | ≤ 0.020 | ≤ 0.030 | 0.80 – 1.10 | ≤0.10 | － | ≤0.30 | ≤0.20 |
Mechanical Properties of Gas Cylinder Tube
| Standard | Grade | Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) |
| GB 18248 | 37Mn | ≥750 | ≥630 | ≥16 |
| 34Mn2V | ≥745 | ≥530 | ≥16 | |
| 30CrMo | ≥930 | ≥785 | ≥12 | |
| 35CrMo | ≥980 | ≥835 | ≥12 | |
| 34CrMo4 | ≥980 | ≥835 | ≥12 | |
| 30CrMnSiA | ≥1080 | ≥885 | ≥10 |
HSH supplies high quality hot rolled and cold rooled seamless steel pipe for gas bottles to clients and is experienced in large size gas bottle. We stock extensive inventory of steel pipes and other pipe fittings, just let us know size and quantity of your need and we can help you find the material that is right for you. Call us today for a quote on34CrMo4 steel pipe.
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HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com
,
HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com