Model Number: DB6030 Brand Name: Derbo Steel Key Specifications/Special Features: Product name: ASTM A519 4130 Seamless Steel Pipe Used for Barrel Air RifleOut diameter: 6-89mmThickness: 1-15mmLength: SRL, DRL, 5.8, 11.8mFixed Length as per client’s requirementsSteel standards: ASTM A179, ASTM A192, ASTM A210, DIN2391, DIN10305Steel materials: A1C 1010/1020/1025, ST35, ST35.8Surface: bare, black painting, anti-corrosion coating (3LPE 3LPP FBE) galvanized;Packing: plain/bevel end with end capsWaterproof packing, bare packing, in bundle, nest packing, standard export packingInspection: SGS, BVCertifications: ISO 9001: 2000
Date of delivery: after received deposit 15-60 days according to the quantity
Payment terms: T/T, 100% L/C at sight, Western Union, D/A, D/P, O/A
Port of shipment: Xingang Tianjin; Shanghai Port; Guangdong port; Ningbo Port Qingdao port
Our advantages

1. Professional sales team with more than 10 yearsof experience in steel industrial
2. Technical Engineer from oil company and third party inspection company
3. One-stop service for steel industry, especially for pipeline project application
4. Rich cooperation experience with SHELL, Lukoil, Samsung
5. Fast delivery time, excellent service

Quality control:
Quality control is the basic but most important point for qualification of the steel pipes/tubes and fittings
We carry out in-production supervision and after-production inspection for our products
We ensure that the products are produced, tested, and inspected strictly according to standard specification under supervision of our QA engineer during production
After production inspection is carried out by worldwide famous third party Inspection Company like BV, SGS, Intertek