ASTM A179 A192 A210 Seamless U Bend

• Temperature Classification: High Temperature Piping
• MPa Classfication: Ultra High Pressure Piping
• Material: Carbon Steel
• Standard: ASTM, GB, DIN, JIS
• Diameter: 12.7~114.3mm
• Medium: Liquid
• Model NO.: KM-20200423
• Cross-Section Shape: Round
• Connection Type: Seamless
• Size: 12.7mm--114.3mm
• Thickness: 0.89--2.77mm
• Transport Package: in Strong Transport Pre-Fumigated Wooden Box
• Specification: 12.7mm--38.1mm
• Trademark: Kingmetal
• Origin: Made in China
• HS Code: 73064000
• Production Capacity: 500~1000 Tons Per Month

Product Description

ASTM A179 A192 A210 Seamless U Bend

1,Standards: ASTM A179 (ASME SA179) ASTM A210

2,Grade: A179 A210-A1 T11 T22 T91 T12 etc

Size: (mm)

OD: 19.05mm

WT: 1.65mm

Length: 6 m ~ 25m

 

Description:

 

Product: 19.05mm*1.65mm A179 A210-A1 T11 T22 U BEND TUBES FOR HEAT EXCHANGER

Standard and Grade:

ASTM A210/ASME SA210 A1

ASTM A213/ASME T11 T22

A106B/A53B/A179/A192/A200/A333/A335/500
ASME SA106B/A53B/A192/A200/A333/A335/500
BS3059 BS6323-4 BS3602-1
EN10297-1 EN10305-1 EN10216-1 EN10216-2 EN10210-1
DIN1629 DIN1630 DIN 17175 DIN2391 DIN17204 DIN2448
JIS G3452(SGP) JIS G3461JIS G3462 JIS G3454JIS G3455 JIS G3444

Type:Seamless (cold drawn) or ERW

Ends:Plain ends or bevel ends

Delivery Conditions: BK,BKS,BKW,NBK,GBK( As drawn, quenched and tempered, normalized, annealed, stress-relieved)As different requirements,It including pickling,etc. AS per Standard.

 

Factory test and other terms:

 

1.Hydrostatic or Nondestructive Electric Test

2.Heat Treatment: according to Standard
3.Surface Condition:According to Standard.
4.Grain Size:According to standard
5.Sampling:flattening,flaring,grain size,Marking

6.we provide bevel end,plastic cap, varnish coating, oiled or black painted to prevent rustand other packing

service.

 

Technical Requirements:

 

Straight Tubes Standard Specification For Bending:

ASME SA 213; ASTM A179 ;ASTM A210 etc

Marking: Before Bending By Marking Machine All Over The Tube Length (Bent Section After Heat Treatment Without Marking)

Note: Marking is also possible After Bending On The Straight Parts Of U-Bending Tube.

U-Bend Tubes:

-TEMA RCB 2.31 Standard Of The Tubular Exchanger Manufacturers Association (9th Edition).

-ASTM A688/ASME SA688 Standard Specification For Welded Tubes Of Austenitic Corrosion Resistant

Steel Grade Designed For Feed Water Boilers.

-ASTM B163/ASME SA163 Standard Techinical Requirements For Tubes Of Nickel And Nickel Alloy For

Condensers And Heat Exchangers.

 

Customer Specifications.

 

 

 

Bending Radius: From 1.5*OD(Outside Diameter) To 1500mm

When Ordering Tubes With Radius less or equal to 1.5*OD, It Is Necessary To Agree Precision Of Geometrics.

Straight Tubes Maximum Length:(Before Bending): 35000 mm.

Leg Length: Min 1 Meter, Max. 16500 mm (For Max R=1500mm)

Note: Other Size Are Available Upon Agreement.

Heat Treatment: Stress Relieved After U-Bending (Bending Area Plus 300MM For Each Leg).

Hydrostatic Test After U Bending: Maximum Test Pressure 600 Bar, Soaking 10 Sec. With

Dematerialized Water. Compressed Air Cleaning After Hydro-Test.

Packaging: In Strong Transport-Worthy Pre-fumigated wooden boxes of corresponding dimensions for

each tube Length, Radius, Diameter, According To PO requirements as well as wrapped In polyethylene

films With soft plastic caps on both end of Tube.

 

Grade and Chemical Composition (%):

 

STANDARD	GRADE	CHEMICAL COMPOSITION
		C	Si	Mn	P	S	Cr	Mo	Cu	Ni	V
ASTM A179	A179	≤0.06-0.18	/	0.27-0.63	≤0.035	≤0.035
ASME SA106	SA106B	0.170.25	≥0.1	0.701.00	≤0.030	≤0.030	≤0.035
ASTM A106	A	≤0.25	≤0.10	0.270.93	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	B	≤0.30	≤0.10	0.291.06	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	C	≤0.35	≤0.10	0.291.06	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
ASTM A53	A	0.25	/	0.95	0.05	0.045	0.40	0.15	0.40	0.40	0.08
	B	0.3	/	1.2	0.05	0.045	0.40	0.15	0.40	0.40	0.08

 

Mechanical Properties:

 

Mechanical properties
Material	Min Tensile strenght N/mm2	Min. Yield strengh N/mm2	Min Elongation %
A179	325	180	35

 

Standard	Steel grade	Tensile(MPa)	Yield(MPa)	Elongate(%)	Hardenss
20MnG	20MnG	≥415	≥240	≥22
25MnG	25MnG	≥485	≥275	≥20
15CrMoG	15CrMoG	440~640	≥235	≥21
12Cr2MoG	12Cr2MoG	450~600	≥280	≥20
12Cr1MoVG	12Cr1MoVG	470~640	≥255	≥21
12Cr2MoWVTiB	12Cr2MoWVTiB	540~735	≥345	≥18
10Cr9Mo1VNb	10Cr9Mo1VNb	≥585	≥415	≥20
ASME SA210	SA210A-1	≥415	≥255	≥30	≤143HB
SA210C	SA210C	≥485	≥275	≥30	≤179HB
ASME SA213	SA213 T11	≥415	≥205	≥30	≤163HB
SA213 T12	SA213 T12	≥415	≥220	≥30	≤163HB
SA213 T22	SA213 T22	≥415	≥205	≥30	≤163HB
SA213 T23	SA213 T23	≥510	≥400	≥20	≤220HB
SA213 T91	SA213 T91	≥585	≥415	≥20	≤250HB
SA213 T92	SA213 T92	≥620	≥440	≥20	≤250HB
DIN17175	ST45.8/	410~530	≥255	≥21	/
15Mo3	15Mo3	450~600	≥270	≥22
13CrMo44	13CrMo44	440~590	≥290	≥22
10CrMo910	10CrMo910	480~630	≥280	≥20

 

Applications:

 

U-bent steel tubes are widely used in heat-exchanger systems. Heat-exchanger equipment on the basis of its essential in strategically importantand critical fields-nuclear and petrochemical machine building.