ASTM A688 TP304/304L/304LN , TP316/316L/316LN  Welded Austenitic Stainless Steel Feedwarter Heater Tubes                                    
 

Size range:                                      
O.D.: 4.0-230mm     W.T.:1-30mm      L: according to customer requirement

Material and Manufacture:

Tubes are made from Flat-rolled steel by automatic welding process.

Subsequent to welding and prior to final heat treatment, the tubes are cold drawn or cold rolled

The tubes are ready for U-bending after annealed, according to customer's drawing and design.

Suface Condition:

The tubes are pickled innitric and hydraofluoric acids.

Bright annealing.

Mechanical Requirement 

Grade:	TP304	TP304L	TP304LN	TP316	TP316L	TP316LN	TP316LN	TPXM-29	TP304N
UNS	S30400	S30403	S30453	S31600	S31603	S31653	S31653	S24000	S30451
C, max	0.08	0.035	0.035	0.080	0.035	0.035	0.035	0.08	0.080
Mn, max	2.00	2.00	2.00	2.00	2.00	2.00	2.00	11.5-14.5	2.00
P, max	0.045	0.045	0.045	0.045	0.045	0.045	Contact Infomation Send Inquiry Company name:TORICH INTERNATIONAL CO.,LTD Status:[Offline] [Send message] [Chat] Business contact:Richard (Ms.) Telphone: Mobile: Fax: Area: Caribbean Region-Bermuda Address:706 Qiling Mansion North Building Yinzhou District, Ningbo C Zip:315000