Heat Exchanger Welded Steel Tube For Boiler from China manufacturer

Product Detail

Model No.: 730640

Production Capacity: 2000Ton/Month

Delivery Date: 15days

Grade: SUS 304/304L/ 316L/347H/S32...

Inspection: UT, ET, HT, RT

Certification: API 5LC,DNV•GL, ABS, TUV, L...

Surface: Pickling,annealing,polishin...

Origin: China

Means of Transport: Ocean,Land

Packing: Plastic, Wooden Case, Other...

Brand: Ganyeah

Standard: Astm a312/Astm a778/Astm a5...

Section Shape: Round

Length: 6 m or as customers' reques...

HS Code: 730640000/730611000

Annealing
Working temperature:1832 ºF to 2012 ºF
Explanation report:duration 5 min; width 5 mm
Processing informations:cool down: water;air

Name	Heat Exchanger Welded Steel Tube
Standard	ASTM A778,ASTM A312
Material Grade	304,316,316L,430
Main Material	a) 304 (Ni: 8% Cr: 18%) b) 316 (Ni: 10% Cr: 18%)
Outer Diameter	12.7mm-3000mm
Thickness	0.5mm - 50mm; SCH10/40/80/160/XXS/STD
Length	6m or as customers' request
Tolerance	a) Outer Diameter: +/- 0.2mm
	b) Thickness: +/- 0.02mm
	c) Length: +/- 5mm
Surface	180G, 320G Satin/Hairline 400G, Mirror finish

Property	Value
Density: kg/dm3	7,9
Hardness: HB	130-190
Hardness HB 30	<=215
magnetizable	no (might increase due to cold deformation)

Temperature T °C/F (°C/F)	Specific heat J / kgK (Btu / lb °F)	Thermal conductivity W/mK (Btu·in / ft2·h·°F)	Electric resistance µΩ · cm (Ω circ mill / ft)	Modulus of elasticity kN/mm2 (103 ksi)	Expansion rate from 70°F bis T 10-6 / K (10-6 / °F)
20 / 68	500 (-)	15 (-)	0,73 (-)	200 (-)	16,0 (-)
200 /392				186 (-)	16,5 (-)
300 / 572				179 (-)	17,0 (-)
400 / 752				172 (-)	17,5 (-)
500 / 932				165 (-)	18,0 (-)

temperature	0,2%Yield strength in high temperatures	1,0% Yield strength in high temperatures
°C / °F	Rp 0,2	Rp 1,0
	N/mm2 /ksi	N/mm2 /ksi
100 / 212	176 / 25,50	208 / 30,16
200 / 392	157 / 22,77	186 / 30,00
300 / 572	136 / 19,70	167 / 24,20
400 / 752	125 / 18,10	156 / 22,60
500 / 932	119 / 17,00	149 / 21,60
ksi value calculated

Standards	Desciption
ASTM A 249	Standard Specification for Welded austenitic steel boiler, Superheaters, heat-exchangers,and condenser Tubes
ASTM A 269	Standard Specification for Seamless and welded, austenic, and stainless steel tubing for general purposes
ASTM A 312	Standard Specification for Seamless and welded austenitic stainless steel pipes
DIN EN 10217-7	Welded steel pipes under compression load Pipes made from stainless steel
DIN EN 10296-2 (02/2006)	Welded circular steel pipes for machine construction and general technical service stainless steel
DIN EN 10297-2 (02/2006)	Welded circular steel pipes for machine construction and general technical service stainless steel. Pipes made from stainless steel