When you need durable, high-pressure pipe fittings, ASME B16.11 Caps from Xi’an QinSteel Trading Co., Ltd deliver unmatched reliability. As a trusted manufacturer, we specialize in forged steel caps that meet strict ASME standards, ensuring leak-proof performance in oil, gas, and industrial systems. With GMP-compliant facilities, rapid bulk order processing, and a 50,000+ unit inventory, we provide certified solutions tailored to your project timelines.
The products are forged fittings designed to seal pipe ends in high-pressure environments. Available in socket weld or threaded connections, these caps prevent contamination and maintain system integrity during maintenance or future expansions. Made from materials like ASTM A105 carbon steel or A182 stainless steel, they withstand pressures up to 9000LB and temperatures from -20°F to 1500°F.
| Parameter | Details |
|---|---|
| Size Range | 1/8" to 4" |
| Pressure Rating | 3000LB, 6000LB, 9000LB |
| Temperature | -20°F to 1500°F |
| Material | A105, A350 LF2, A182 F304/316 |
| Standards | ASME B16.11, ISO 9001, BS 3799 |
All materials undergo chemical and mechanical testing, with Mill Test Reports (MTRs) provided for traceability.
1. GMP-Certified Production: Ensures batch-to-batch consistency and full traceability.
2. Pre-Stocked Inventory: 50,000+ caps ready for urgent shipments.
3. Global Compliance: ASME, ISO, CE, GOST, and NACE certifications available.
4. Custom Solutions: Modify dimensions, threading, or coatings via our OEM/ODM services.
5. Secure Shipping: Wooden crates with anti-shock padding prevent transit damage.
Every ASME B16.11 Cap undergoes:
Orders ship in moisture-sealed, shock-absorbent packaging. Most bulk orders dispatch within 48 hours, with real-time tracking provided.
Our 20,000㎡ facility houses 15+ hydraulic forging presses and CNC machines, enabling annual production of 2 million fittings.



Q: Can you supply caps with both ASME and PED certifications?
A: Yes! We offer dual-certified caps for European projects.
Q: What’s the lead time for 10,000 units?
A: Standard specs ship in 10 days. Contact us for expedited options.
Q: Do you provide samples?
A: Yes—request samples via email for quality verification.
Q: How do you handle customs documentation?
A: We prepare commercial invoices, packing lists, and certificates for smooth clearance.
Q: Can you replicate a custom design?
A: Submit your drawings—our R&D team will prototype within 5 days.
Email: info@sxqinsteel.com
Submit your ASME B16.11 Cap requirements for a same-day quote and sample options.
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