01/06/2026
Seamless steel pipe. How does solid steel become a hollow pipe?
Tubo de aço sem costura. Como o aço sólido se torna um tubo oco?
أنبوب فولاذي غير ملحوم. كيف يصبح الفولاذ الصلب أنبوبًا مجوفًا؟
From solid round billet to seamless pipe:
Billet → Heating → Piercing → Rolling → Sizing → Cooling → Straightening → Cutting → Inspection → Threading (optional) → Packaging
✅ Sizes: 21.3mm – 610mm OD (custom available)
✅ Wall thickness: 2.0mm – 40mm (custom available)
✅ Length: 6m – 12m (custom available)
✅ Materials: Carbon steel, alloy steel, stainless steel
✅ Standards: ASTM A106, API 5L, ASTM A53, EN 10216, DIN 1629, JIS G3454
✅ Grades: ASTM A106 Gr.B, API 5L Gr.B, ST37, ST52, 10 #-45 #, 16Mn, 20Mn, 15CrMo, 12Cr1MoV, 27SiMn, 35CrMo, 42CrMo, 40Cr, 4140, 4130, 316L, 321, 304
Perfect for: High-pressure applications, oil & gas, power plants, boiler tubes, mechanical components, hydraulic systems, gas cylinders.
🔍 Every pipe undergoes non-destructive testing and hydrostatic testing.
✅ ISO 9001 certified.
📦 In stock. Ready for global export.
👇 Need seamless pipe? Tell me your OD, wall thickness, and grade — I'll send you today's price.