A 249 / A 249M 316 Stainless Steel Welded Tube Superheater, Heat-
Exchanger, and Condenser Tubes
We offer A 249/A 249M – 01 TP304H, TP309H, TP309HCb, TP310H,
TP310HCb, TP316H, TP321H, TP347H, and TP348H
are modifications of Grades TP304, TP309S, TP309Cb,
TP310S, TP310Cb, TP316, TP321, TP347, and TP348 Welded Stainless Steel Pipe Standard Specification for
Welded Austenitic Steel Boiler, Superheater, Heat-
Exchanger, and Condenser Tubes
1.1 This specification 2 covers nominal-wall-thickness
welded tubes made from the austenitic steels listed in Table 1,
with various grades intended for such use as boiler, super-
heater, heat exchanger, or condenser tubes.
1.2 Grades TP304H, TP309H, TP309HCb, TP310H,
TP310HCb, TP316H, TP321H, TP347H, and TP348H
are modifications of Grades TP304, TP309S, TP309Cb,
TP310S, TP310Cb, TP316, TP321, TP347, and TP348, and are
intended for high-temperature service such as for superheaters
and reheaters.
| Material: | 201.202.301.302.304.304L.310S.316.316L.321.430.430A.309S.2205.2507.2520.430.410.440.904Lect.
Or Customized |
| Standard: | GB, AISI, ASTM, ASME, EN, BS, DIN, JIS |
| Size: | ANSI /ASME size is under,other standard of size is for ready
choice,O.D.:0.23''to 48''(5.8-1219mm)W.T.:0.04''to 2''(1.0-50.8mm) |
| Length: | Max.18 Meter,NPS 1/8''-48''
Schedule:5/5S,10/10S,20/20S,40/40S,80/80S,120/120S,160/160S
according to ANSI B36.19/36.10 |
| Surface: | Satin Finish(180#.240#.320#).,Bright Finish(400#,600#,mirror),Mill
Finish(2B),Hairline-Finish(HL/Brushed),Ti-gold, Glossy matt,dull
and so on. |
| Application: | Decoration, construction and upholstery, etc |
| Package: | Each tube in a plastic bag with size label outside and pack in
small bundles or according to customer request |
| Lead Time: | 7-10days for one FCL Or according to order list detail |
| |
Other standard type:
| Austenitic Steel: | TP304,TP304L,TP304H,TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H,
TP317,TP317L, TP321, TP321H,TP347, TP347H,904L… |
| Duplex Steel : | S32101,S32205,S31803,S32304,S32750, S32760
Others:TP405,TP409, TP410, TP430, TP439 ... |
QUALITY CONTROL
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring
Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield
Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking
ZHEHENG STEEL has passed approved by ABS, DNV, GL, BV, PED
97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO
14001-2004 With good quality and competitive price, we warm a good
reputation in domestic and international markets. We hope to build
a good and long relationship with customers from home and abroad.
