Section 1: Product Overview
Haynes seamless pipe and tube are cobalt-nickel-chromium alloys specifically engineered for extreme high-temperature applications with exceptional oxidation resistance and thermal stability. Our Haynes seamless tubing meets AMS 5605, AMS 5608, and AMS 5728 standards, making it the premier choice for aerospace, gas turbines, industrial furnaces, and thermal processing equipment.
As a leading Haynes pipe manufacturer, we provide Haynes 188, 230, and 282 grades in seamless pipe and tube form.
Section 2: Key Features
- Excellent high-temperature oxidation resistance up to 1200°C
- Outstanding thermal fatigue resistance
- Superior creep rupture strength
- Good hot corrosion resistance
- Excellent fabricability and weldability
- AMS certified manufacturing process
- Complete material test reports (MTR) provided
Section 3: Available Grades Overview
| Grade | AMS No. | UNS No. | Key Feature | Main Applications |
|---|---|---|---|---|
| Haynes 188 | 5605 | R30188 | High temp stability | Combustion liners, gas turbines |
| Haynes 230 | 5608 | W13008 | Highest oxidation | Furnace hardware, heat treating |
| Haynes 282 | 5728 | N07208 | Precipitation hardening | Turbine discs, blades |
Section 4: Chemical Composition (All Grades)
| Element | 188 | 230 | 282 |
|---|---|---|---|
| Ni (Nickel) | 20.0-24.0 | Balance | Balance |
| Co (Cobalt) | Balance | 5.0 max | 10.0-20.0 |
| Cr (Chromium) | 20.0-24.0 | 20.0-24.0 | 19.0-21.0 |
| W (Tungsten) | 13.0-16.0 | 12.0-15.0 | – |
| Mo (Molybdenum) | – | 1.0-3.0 | 8.0-10.0 |
| Fe (Iron) | ≤3.0 | ≤3.0 | ≤1.5 |
| C (Carbon) | 0.05-0.15 | ≤0.10 | 0.05-0.10 |
| La (Lanthanum) | 0.02-0.08 | 0.005-0.05 | – |
| Al (Aluminum) | – | 0.3-0.6 | 1.0-1.5 |
| Ti (Titanium) | – | ≤0.3 | 1.5-2.3 |
| Si (Silicon) | 0.25-0.75 | ≤0.50 | ≤0.50 |
| Mn (Manganese) | ≤0.5 | ≤0.5 | ≤0.5 |
Section 5: Mechanical Properties (All Grades – Annealed)
| Property | 188 | 230 | 282 |
|---|---|---|---|
| Tensile Strength | ≥785 MPa | ≥690 MPa | ≥895 MPa |
| Yield Strength | ≥310 MPa | ≥275 MPa | ≥420 MPa |
| Elongation | ≥35% | ≥40% | ≥20% |
| Hardness | – | – | – |
| Density | 9.30 g/cm³ | 8.90 g/cm³ | 8.50 g/cm³ |
Section 6: Specifications & Dimensions
Applicable Standards
| Standard | Description |
|---|---|
| AMS 5605 | Haynes 188 Sheet/Plate |
| AMS 5608 | Haynes 230 Sheet/Plate |
| AMS 5728 | Haynes 282 Sheet/Plate |
| AMS 5875 | Haynes 188 Bar |
Size Range
| Parameter | Range |
|---|---|
| Outside Diameter | 1/4″ (6.35mm) – 8″ (219.1mm) |
| Wall Thickness | 0.035″ (0.89mm) – 0.375″ (9.52mm) |
| Schedules Available | 5s, 10s, 40s, 80s, 160, XXH |
| Length | Random / Fixed 6m, 12m, or as required |
Section 7: Applications by Grade
| Grade | Recommended Applications |
|---|---|
| 188 | Gas turbine combustion liners, afterburner components, heat exchangers, furnace rollers, boiler tubes |
| 230 | Furnace furniture, catalyst supports, heat treating trays, kiln furniture, boiler tubes |
| 282 | Turbine discs, blades, industrial furnace components, structural parts |
Section 8: Temperature Resistance Comparison
| Grade | Max Service Temp | Creep Strength | Oxidation Resistance |
|---|---|---|---|
| 188 | 1150°C (2100°F) | Excellent | Excellent |
| 230 | 1200°C (2192°F) | Good | Excellent |
| 282 | 1000°C (1832°F) | Excellent | Good |
Section 9: Why Choose Us
- ISO 9001:2015 certified manufacturer
- Mill test certificates provided with every order
- Competitive pricing direct from factory
- Quick lead times – typically 2-4 weeks
- Global shipping – worldwide logistics support
- Technical support – free material selection guidance
Section 10: FAQ
Q: What is the maximum service temperature for Haynes 188? A: Haynes 188 can operate continuously at temperatures up to 1150°C (2100°F).
Q: What is the difference between Haynes 188 and 230? A: Haynes 230 offers slightly better high-temperature capability, while 188 has better thermal fatigue properties and hot corrosion resistance.
Q: Is Haynes 282 precipitation hardening? A: Yes, Haynes 282 is a precipitation-hardening alloy with excellent high-temperature strength.
Q: Which Haynes grade is best for furnace applications? A: Haynes 230 is specifically designed for furnace hardware with the best oxidation resistance at temperatures up to 1200°C.
评价
目前还没有评价