347 Hot Rolled Stainless Steel H Beams
Certification：ISO, CE
Shape：H Shape
Technique：Hot Rolled
Surface Treatment：No.1, Ba, 2b, 2D, No.4 or Accord
Sample：Available
Processing Service：Welding, Punching, Cutting, Bending, Decoiling
Delivery Time：7-15 Days
Application：Construction, Automotive Industry, Household
Specification：According to Customer′s Requirement
product Description
347 hot rolled stainless steel H beams are engineered for high-temperature environments where standard stainless steels like 304 or 316 may fail. Whether you're building a petrochemical plant, furnace support, or power station, Grade 347 H-beams offer outstanding thermal and mechanical stability.
Common standard: ASTM A276, A479
Equivalent grades: UNS S34700, DIN 1.4550, SUS347
UNS S34700 structural beam advantages
What is the difference between 316 and ASTM A276 347 H beam?
While 316 offers excellent corrosion resistance, 347 performs better at high temperatures due to niobium stabilization. It also resists weld decay more effectively in cyclic heat environments.
Are 347 stainless steel H beams good for welding?
Yes. Type 347 is specifically stabilized for weldability and resists intergranular corrosion after welding, unlike non-stabilized grades.
What is the maximum service temperature for 347 stainless H section?
Approximately 870°C (1600°F) in continuous service and up to 925°C (1700°F) for intermittent exposure.
347 stainless steel H beam price per kg?
The price of 347 stainless steel H-beam varies depending on factors such as size, quantity, and supplier. The price range is approximately $1.5 to $4.5 per kilogram, which is equivalent to $1,500 to $4,500 per metric ton.
347H stainless structural beam Specification
Type: Hot Rolled Stainless Steel Structural H Beam
Form: H-beam / Wide Flange Beam / I-beam
Dimensional Range (Typical)
| Parameter | Range / Availability |
|---|---|
| Web Height (H) | 100 mm – 600 mm |
| Flange Width (B) | 100 mm – 300 mm |
| Web Thickness (tw) | 5 mm – 20 mm |
| Flange Thickness (tf) | 7 mm – 25 mm |
| Length | 3 m – 12 m (custom cut available) |
| Tolerance | According to ASTM A484 / EN 10034 |
347 stainless steel mechanical properties
| Property | Value |
|---|---|
| Yield Strength (0.2%) | ≥ 205 MPa |
| Tensile Strength | 515 – 750 MPa |
| Elongation (in 50mm) | ≥ 35% |
| Hardness | ≤ 217 HB (Brinell) |
| Density | 7.96 g/cm³ |
Chemical Composition (% by weight)
| Element | Content Range |
|---|---|
| Carbon (C) | 0.04 – 0.10 |
| Chromium (Cr) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 13.0 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Niobium (Nb + Ta) | ≥ 10×C (min 0.10%) |
Why Choose GNEE
✅ Strict material traceability & MTC (EN 10204 3.1/3.2)
✅ Custom cutting, drilling, and surface treatment services
✅ Global delivery with seaworthy packaging
✅ Fast lead times and competitive pricing
📞 Get a Quote Today
Need reliable 347 hot rolled stainless steel H beams for your next high-temperature project? Contact GNEE for a fast quote, technical datasheets, and expert support.
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