Stainless Steel Hollow Bar

Overview of Stainless Steel Hollow Bar

Kaysuns is a reliable supplier of stainless steel hollow bar and stainless steel heavy wall thickness tubings including materials of austenitic stainless steel 304/304L, 316/316L etc, duplex stainless steel UNS S31803 S32205, super duplex stainless steel S32750 and high-alloy austenitic stainless steels to ASMT A511 and other specifications. Our stainless steel hollow bars are improved in processability without compromising corrosion resistance and mechanical strength. Corrosion test according to ASTM G-48 A, NACE MR 0175 / ISO 15156.

Dimension range from 32mm / 1.26 inch to 420mm / 16.54 inch outside diameter with inside diameter ranging from 16mm / 0.63inch to 300mm / 11.81inch.

Stainless steel hollow bar is usually delivered in 3.0m-7.0m random lengths or cut to fixed lengths. Kaysuns supplies cutting service for stainless steel hollow bar, the cutting length is available as per customer’s exact requirements.

stainless-steel-hollow-bar-kaysuns
Stainless Steel Hollow Bars

Available Grades of Hollow Bars

ASTM

UNS

EN

DIN

JIS

GOST

GB

Remark

304

S30400

 

1.4301

SUS304

 

06Cr19Ni10

all sizes avaiable

304L

S30403

 

1.4307

SUS304L

 

022Cr19Ni10

all sizes avaiable

316

S31600

X5CrNiMo17-12-2

1.4401

SUS316

 

06Cr17Ni12Mo2

all sizes avaiable

316L

S31603

X2CrNiMo18-14-3

1.4404

SUS316L

03X17H14M3

022Cr17Ni12Mo2

all sizes avaiable

316TI

S31635

X6Cr_oTi17-12-2

1.4571

SUS316Ti

10X17H13M2T

06Cr1Ni12Mo3Ti

some sizes avaiable

S31803

S31803

 

1.4462

 

 

022Cr22Ni5Mo3N

some sizes avaiable

S32205

S32205

 

1.4462

 

 

022Cr23Ni5Mo3N

some sizes avaiable

S32750

S32750

 

1.441

 

 

022Cr25Ni7Mo4N

some sizes avaiable


Normal Chemical Composition of Stainless Steel Hollow Bars

Grade

C

Si

Mn

P

S

Ni

Cr

Mo

Ti

N

Nb

max

max

max

max

max

max

max

TP304

0.08

1.00

2.00

0.045

0.030

8.0-11.0

18.0-20.0

-

-

-

-

TP304L

0.035

1.00

2.00

0.045

0.030

8.0-13.0

18.0-20.0

-

-

-

-

TP304H

0.04-0.10

1.00

2.00

0.045

0.030

8.0-11.0

18.0-20.0

-

-

-

-

TP321

0.080

1.00

2.00

0.045

0.030

9.0-12.0

17.0-19.0

-

5* (C+N) min, 0.70 max

0.10

-

TP321H

0.04-0.10

1.00

2.00

0.045

0.030

9.0-12.0

17.0-19.0

-

4* (C+N) min, 0.70 max

0.10

-

TP316

0.080

1.00

2.00

0.045

0.030

10.00-14.00

16.0-18.0

2.00 - 3.00

-

-

-

TP316L

0.04

1.00

2.00

0.045

0.030

10.00-14.00

16.0-18.0

2.00 - 3.00

-

-

-

TP316H

0.04-0.10

1.00

2.00

0.045

0.030

10.00-14.00

16.0-18.0

2.00 - 3.00

-

-

-

TP316Ti

0.08

0.75

2.00

0.045

0.030

10.0-14.0

16.0-18.0

2.00 - 3.00

-

-

-

TP317

0.080

1.00

2.00

0.045

0.030

11.0-15.0

18.0-20.0

3.00-4.00

-

-

-

TP317L

0.04

1.00

2.00

0.045

0.030

11.0-15.0

18.0-20.0

3.00-4.00

-

-

-

TP347

0.080

1.00

2.00

0.045

0.030

9.0-13.0

17.0-19.0

-

-

-

10*Cmin,1.00max

TP310S

0.08

1.00

2.00

0.045

0.030

19.0-22.0

24.0 - 26.0

0.75

-

-

-

*Other Grades can be offered on request.

Stainless Steel Hollow Bars Tolerance

General Requirements:

OD: +2/-0%, with a minimum of +1/-0 mm (+0.04/-0”) for 275mm below OD
+/-1%  for 275 mm and above OD (10.827’’)

ID: +0/-2%, with a minimum +0/-1 mm (+0/-0.04″).

Straightness deviation:  max. 1.5 mm per 1000 mm (0.059 inch per 3 feet).

Lengths: Random length. Fixed lengths are available if required.

* Tolerance according to ASTM A511 standard can be offered if required.


Our Strength:

  • Full grades of austenitic stainless steel, duplex stainless steel and nickel-based alloy
  • Ultra long ss tube up to 22 meters
  • Small order quantity available from 200kgs
  • More than 15 years manufacturing experiences of stainless steel tubings
  • Good supplying experiences for ASTM A213, A269 tubes
  • Fast delivery of 20~40days for general grades
  • Flexible and professional service and operations
  • Both seamless and welded pipe are available
  • Perfect inspection system - 100% NDT test, mechanical propertis test, MPI test
  • Accept any third party inspection from such SGS, TUV, DNV, InterTek, Lloyd's, BV, ABS etc.
  • Full supplying of stainless steel piping - stainless steel pipes, pipe fittings, flanges, sheet etc.

Applications of Stainless Steel Hollow Bars

Stainless steel hollow bar is maily used for engineering industry and machine manufacturing, as well used in the industries of Chemical, Petrochemical, Nuclear Power, Automotive, Offshore, Railway Engineering, mining equipment etc,.