ASTM A276 Alloy 347H Stainless Steel Bar /Ss Bar

• Type: Stainless Steel Bars
• Standard: ASTM, AISI, JIS
• Grade: 300 Series
• Model NO.: 347H
• Certification: ISO, AISI, ASTM, EN, DIN, JIS
• Shape: Round
• Technique: Hot Rolled
• Surface Treatment: Pickling
• Service: Cutting
• Tolerance: H9 H10 H11 H12 H13 H14
• Length: 6m/PCS
• Other Shape: Plate, Pipe, Bar, Coil
• Transport Package: Wooden Box
• Specification: OD 6-300mm
• Trademark: DELTA
• Origin: China
• Production Capacity: 50000kgs

Product Description

ASTM A276 Alloy 347H Stainless Steel Bar Diameter 10 - 250mm in 6m Length

PRODUCTS SPECIFICATION

Products Specification

 

Products	Stainless Steel Bar
Grade	347H
Diameter	10 - 350mm
Length	6m or custom cutting any length as request
Finishing	Bright Bar / Black Surface
Heat Treatment	Solid Solution , ageing
Surface Process	Polishing , Peeling
Other Grade	201 303 304 304L 309S 310S 316L 316Ti 317L 321 347 410 420 430 431 2205 2507 904L 254SMO 416 440A/B/C.etc
MOQ	500 Kgs
Loading Port	Shanghai Port
Processing	Cutting
Packing	Wooden box or wrapping by PP bag

FEATURE PRODUCTS

 

347H Stainless Steel Round Bar Diameter

 

10mm	12mm	14mm	15mm	16mm	18mm
19mm	20mm	22mm	25mm	30mm	32mm
35mm	38mm	40mm	45mm	48mm	50mm
55mm	60mm	65mm	70mm	75mm	80mm
85mm	90mm	95mm	100mm	105mm	110mm
115mm	120mm	130mm	140mm	150mm	160mm
170mm	180mm	190mm	200mm	210mm	220mm
230mm	240mm	250mm	260mm	270mm	280mm
290mm	300mm	310mm	320mm	330mm	340mm

MATERIAL DESCRIPTION

 

347H stainless steel rod introduction
347H stainless steel is an austenitic stainless steel that has excellent intergranular corrosion resistance and high temperature strength by adding a niobium (Nb) stabilizing element. It is widely used in chemical, petroleum, electric power and other industries under high temperature environment.
Main parameter
Chemical composition (typical value) :

• Carbon (C): 0.04-0.10%
• Silicon (Si): ≤1.00%
• Manganese (Mn): ≤2.00%
• Phosphorus (P): ≤0.045%
• Sulfur (S): ≤0.030%
• Chromium (Cr): 17.0-19.0%
• Nickel (Ni): 9.0-13.0%
• Nb (Nb): 10×C% ~ 1.10%

Mechanical properties (room temperature) :

• Tensile strength: ≥515 MPa
• Yield strength: ≥205 MPa
• Elongation: ≥35%
• Hardness: ≤192 HB
• Physical properties:
• Density: 7.98 g/cm³
• Melting point: 1398-1427°C
• Coefficient of thermal expansion: 16.6μm /m·°C (20-100°C)
• Thermal conductivity: 16.3W /m·K (100°C)

Specification of 347H Stainless Steel Bar

• Diameter range: usually 5mm to 300mm (can be customized)
• Length: The standard length is 3000mm or 6000mm, and can also be customized according to customer requirements.

Standard of 347H Stainless Steel Bar
347H stainless steel rods are manufactured and inspected in accordance with the following international standards:

• ASTM A479/A479M: Standard for high temperature Stainless Steel bars
• ASTM A276: Standard for Stainless Steel bars and profiles
• EN 10088-3: European standard for stainless steel
• GB/T 1220: China stainless steel bar standard

Peculiarity of 347H Stainless Steel Bar

• Intergranular corrosion resistance: by adding niobium element, effectively prevent chromium carbide precipitation, avoid intergranular corrosion.
• High temperature strength: maintains high mechanical strength and oxidation resistance under high temperature environment.
• Good weldability: suitable for a variety of welding processes, stable performance after welding.
• Oxidation resistance: Excellent performance in high temperature oxidation environment.

Advantage of 347H Stainless Steel Bar

• Excellent high temperature performance: suitable for high temperature environment below 800°C.
• Strong corrosion resistance: Good performance in acidic and alkaline media.
• Long life: Long-term stability in harsh conditions, reducing maintenance and replacement costs.
• Wide applicability: can be used in a variety of industrial fields to meet the needs of complex working conditions.

Similar Grade of 347H Stainless Steel Bar

• United States: UNS S34709
• Europe: 1.4961 (EN)
• Germany: X6CrNiNb18-10 (Werkstoff Nr.)
• Japan: SUS347H (JIS)
• China: 0Cr18Ni11Nb (GB/T 1220)

PRODUCTS APPLICATION

Application of 347H Stainless Steel Bar

• 347H stainless steel rods are widely used in the following fields:
• Chemical industry: reactor, heat exchanger, pipeline system.
• Oil and gas: downhole tools, valves, pump components.
• Electricity: boiler components, superheaters, heat exchangers.
• Aerospace: high-temperature components, engine parts.
• Food processing: high temperature equipment, pipeline.
• Other: high temperature furnace components, heat exchangers, fasteners.

347H stainless steel rod with its excellent high temperature strength, corrosion resistance and good processing properties, become the ideal material choice in high temperature, corrosive environment. Its wide range of application areas and stable performance make it an important position in several industries.