Seamless steel pipe

Seamless steel pipe manufacturing process

key word:Finned Tube

Classification:

Steel Pipe

Seamless steel pipe manufacturing process

Main Products——Stainless Steel Pipe

Goods	Standard size
Stainless steel seamless tube & pipe	OD: φ6-φ813mm, WT: 0.5-40mm
U-Tube	OD: φ12-φ38mm, WT: 0.5-4mm
Welded tube & pipe	OD: φ17.15-φ1828mm, WT: 0.5-45mm
Pipe Fitting	OD: 1/4”~48”, WT: 5S-40S

Main types and materials

Item No.	Steel types	Typical steel grade
1	Austenitic	TP304, TP304L, TP304H, TP316, TP316H, TP316Ti, TP316L, TP321, TP321H, TP347H, TP347HFG, 904L, TP310H, TP310S, TP317, TP317L, TP316LMo≥2.5; etc.
2	Super Austenite	N08904;N08367;S31254
3	Duplex/Super duplex	S31803; S32205; S31500; S32750；LC65-2506;LC80-2507
4	Ni-Alloy	UNS NO2200;NO2201;NO4400;N06600;N06601;NO6690;NO6045; N06625; NO6603;N008800;N08810;N08811;N08020;N08825;N08828;
5	API Corrosion Resistant Alloy	LC30-1812; LC65-2205; LC65-2506; LC80-2507; LC30-2242

Stainless steel pipe application

Heat Exchanger

Main grade	Standard	Specification
TP304,TP304H,TP316, TP316, TP316L,TP321	ASTM A213,ASME SA213, GB13296, JIS3463, DIN17458, EN10216-5	OD: 12.7-159mm WT: 0.5-8mm

Boiler Tube

Main grade	Standard	Specification
TP304H,TP310H, TP316H,TP321H, TP347H,TP347HFG	GB5310,GB13296, ASTM A213, ASME SA213,EN10216-5,	OD: 33-273mm WT: 2-20mm

Marine Tube/Pipe

Main grade	Standard	Specification	Classification society certification
TP304H,TP304L, TP347H, TP321, TP321H, TP316LMo≥2.5	GB14976, ASTM A312, A269, JIS G3459,	OD: 6-273mm WT: 0.5-16mm	ABS,BV,CCS, DNV,GL,LR and RINA,etc.

Instrumentation Tube

Main grade	Standard	Specification
TP304,TP304L,TP316, TP316L,TP317L,TP321,	GB/T14976,EN10216-5,DIN17456,DIN17458,ASTMA269,JISG3459	OD: 6-76mmWT: 0.5-6mm

General Tubes & Pipes

Main grade	Standard	Specification
TP304,TP304L, TP304H, TP316, TP316H,TP316Ti, TP316L,TP321, TP316Mo≥2.5	GB/T14976,EN10216-5, DIN17456,DIN17458, ASTM A312,JISG3459	OD: 10.0-830mm WT: 1.65-45mm

Duplex Tubes/Pipes

Ni-Alloy

Main grade	Standard	Specification
N08825,N08904, N08028,N08800	ASME SB163, ASTM B163, ASME SB423, ASTM B423, ASME SB407, ASTM B407, ASME SB668, ASTM B668	OD: 16-273mm WT: 1.65-20mm