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products

321

  • Material and Specifications
  • Production Standard
  • Technological Process
(I) Materials and Specifications Zhejiang Junqi mainly produces stainless steel industrial pipe series. The materials of the products that can be produced include austenitic, duplex steel, and nickel-based alloys. Please refer to the table below for specific specifications and materials.
steel gradesMain steel gradesSpecification
Austenitic stainless steelTP304，TP304L，TP304H，TP316，TP316H,
TP316Ti，TP316L，TP321，TP321H，TP347H,
TP347HFG，904L，TP310H，TP310S，TP317,
TP317L Mo≥2.5； etc，254SMO，253MA,
UNS NO8904（904L）		Outer diameter：6-3000mm
Wall thickness：0.5-80mm
duplex stainless steelS31803；S32205；S31500；S32750Outer diameter：16-3000mm
Wall thickness：1-40mm
Ferritic stainless steel410、410S、430Outer diameter：168-3000mm
Wall thickness：2.5-40mm
Nickel-based alloy seriesIncoloy, Hastelloy, Monel, and GH (High Temperature Alloy)Outer diameter：16-273mm
Wall thickness：1.65-20mm


sales hotline: 0577-5690 2988 0577-5697 9188

TP904L

TP321H

TP317L

TP316L

TP310S

TP304L

TP304

321

316L