DIN17175 17Mn4 seamless tube belongs to the steel tubes for pressure vessels, which are commonly used in boilers and the oil and gas chemical industry.
17Mn4 boiler tube chemical composition:
C: 0.14-0.2, Si: 0.2-0.4, Mn: 0.9-1.2, P: ≤ 0.04, S: ≤ 0.04, Cr: ≤ 0.3
17Mn4 carbon steel pipe physical properties:
Tensile strength: 460-580N/mm2,Yield strength: 270N/mm2.
DIN17175 17Mn4 Carbon Steel Pipe Specification
| Item | Carbon Boiler Tube |
| Type | Seamless |
| OD | 17.1-1422mm (3/8inch-56inch) |
| WT | 1.5-100mm |
| Length | 1-12.9m random length,or Fixed length( 5.8m,5.85m,6m.11.8m.12m) |
| Min.Order quantity | We can accept 1 pcs/size if we have stock. |
| Ends | Plain ends,Bevels. |
| Payment term: | T/T or L/C |
| Package | Bundles or loose |
| Delivery time | Depends on the specific orders,normally 45days |
Heat treatment system
Reference number data for heat-resistant steel hot-working, normalising and tempering treatments of seamless steel pipes1
| Steel Type |
Heat Processing °C |
blazing ℃ |
Conditioning | ||||
| Grade | Material code | Hardening temperature 2 ℃ |
Tempering Temperature ℃ |
||||
| 17 Mn 4 | 1.0481 | 1100～850³ | 880～910 | - | - | ||
1. The entire cross-section of the workpiece, must reach the specified temperature. If this is guaranteed, it is not necessary to stay at this temperature during normalising and quenching.
2. Cooling in air or under protective gas. For tubes with thick walls, it may be necessary to use accelerated cooling, for example, by placing them in a liquid.
3. During processing, the temperature can be reduced to 750°C.
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FAQ
Q: How long is your delivery time?
A: If it is in stock, it is generally 5-10 days. If it is not in stock, it is 15-20 days, depending on the quantity.
Q: Do you provide samples? Is it free or do you need to pay extra?
A: Yes, we can provide samples for free, but we don't pay for the shipping.
Q: What are your payment terms?
A: Payment <= $1000, 100% prepaid. Payment >= $1000, 30% prepaid T/T, the balance paid before shipment.
Q: What is the minimum order?
A: 30 tons, since we are a factory, the cost of small orders is relatively high, we prefer orders above 30 tons.
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