Hastelloy B2 (UNS N10665 / W.Nr. 2.4617) fasteners are high-performance nickel-molybdenum alloy components designed for use in highly reducing environments such as hydrochloric acid, sulfuric acid, and other aggressive chemical media. China factory prices for Hastelloy B2 fasteners vary depending on the type (bolts, nuts, screws, washers, studs), size, and standards (ASTM, DIN, ISO).
China Factory Price Range (USD/kg)
| Fastener Type | Size Range | Standard | Price (USD/kg) |
|---|---|---|---|
| Hex Bolts | M6 – M24 | ASTM B335 / DIN 933 | USD 130 – 155 |
| Stud Bolts | M8 – M36 | ASTM B335 / DIN 975 | USD 135 – 160 |
| Hex Nuts | M6 – M36 | DIN 934 / ASTM | USD 125 – 145 |
| Washers | M6 – M30 | DIN 125 / 127 | USD 120 – 140 |
| Socket Head Cap Screws | M6 – M24 | DIN 912 | USD 135 – 160 |
Available Standards
- ASTM B335 – Bars & Rods for Fasteners
- ASME, DIN, ISO, JIS equivalents
- Custom machining available per drawing
Factors Affecting Price
- Fastener type and manufacturing complexity
- Size range and order volume
- Heat treatment and coating (passivation, PTFE, zinc plating)
- Testing requirements (PMI, mechanical tests, NDT)
- Delivery terms (FOB China, CIF, DDP)
Applications of Hastelloy B2 Fasteners
- Chemical processing plants
- Petrochemical and refining equipment
- Heat exchangers and pressure vessels
- Marine and offshore structures
- Pulp and paper industry acid handling systems
FAQ
Q1: What sizes are available for Hastelloy B2 fasteners?
Factories can supply M6–M72, with custom machining for non-standard sizes.
Q2: What certifications are offered?
Mill Test Certificates (EN 10204 3.1), PMI reports, and third-party inspection reports are available.
Q3: What is the minimum order quantity?
Trial orders from 5–10 kg are possible; bulk orders reduce price significantly.
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