JIS G3458 STPA 12 Alloy Steel Molybdenum Steel Pipe For Industrial Machinery
JIS G3458 SPA12 SA355P1 STPA12 15Mo3 Alloy Steel Molybdenum Steel Pipe For Industrial Machinery
Material Overview:
The JIS G3458 SPA12, SA355P1, STPA12, and 15Mo3 are high-strength alloy steel grades that are primarily used for applications requiring high-temperature resistance, corrosion resistance, and mechanical strength. These steel pipes are designed for industrial machinery and are widely used in power plants, chemical processing, and mechanical systems.
Specifications:
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Grade: SPA12, SA355P1, STPA12, 15Mo3
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Standard: JIS G3458
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Type: Alloy Steel, Molybdenum Steel Pipe
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Size: Customizable dimensions available
Chemical Composition:
| Grade | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cr (%) | Mo (%) | Ni (%) | V (%) | Fe (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| SPA12 | 0.12 | 0.60 | 0.20 | 0.025 | 0.020 | 0.20 | 0.50 | - | - | Balance |
| SA355P1 | 0.12 | 1.00 | 0.40 | 0.020 | 0.015 | 0.50 | 0.90 | 0.30 | - | Balance |
| STPA12 | 0.12 | 0.50 | 0.25 | 0.025 | 0.015 | 0.20 | 0.50 | - | - | Balance |
| 15Mo3 | 0.12 | 0.60 | 0.30 | 0.025 | 0.020 | 0.25 | 0.90 | - | - | Balance |
Mechanical Properties:
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HRC) |
|---|---|---|---|---|
| SPA12 | 205 | 515 | 22 | 140-170 |
| SA355P1 | 220 | 545 | 21 | 160-180 |
| STPA12 | 215 | 530 | 23 | 150-170 |
| 15Mo3 | 240 | 550 | 20 | 160-190 |
Main Characteristics:
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High-Temperature Resistance: These steels are designed for high-temperature applications where traditional carbon steels would fail. They offer excellent resistance to oxidation and corrosion.
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Durability: Excellent mechanical properties, including toughness and wear resistance.
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Molybdenum Content: The presence of molybdenum in these alloys helps in improving the steel's strength at elevated temperatures and enhances its corrosion resistance.
Standards Compliance:
These steel pipes comply with various international standards, ensuring their suitability for critical applications:
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JIS G3458 (Japanese Industrial Standard for Alloy Steel Pipes for Boilers and Heat Exchangers)
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ASTM A335 (American Standard for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service)
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EN 10216-2 (European Standard for Seamless Steel Tubes for Pressure Purposes)
Applications:
These alloy steel pipes are essential for industries that demand high-temperature strength and durability, including:
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Power Plants: Used for steam pipes, pressure vessels, and heat exchangers.
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Chemical Processing: For pipes exposed to high-temperature, corrosive environments.
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Industrial Machinery: In applications requiring excellent mechanical strength and resistance to wear and corrosion.
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Oil & Gas: For high-pressure pipeline systems.
These pipes are ideal for various mechanical systems and energy generation plants where high performance and longevity are critical.
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
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