china TP304H Stainless Steel Seamless Pipe

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Last update: 2017-12-23 14:15
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TP304H Stainless Steel Seamless Pipe

TP304H Stainless steel seamless pipe, also known as 1.4948 stainless steel seamless pipe, is an austenitic stainless steel pipe. It has excellent heat resistance in raised temperatures. ASTM A312 TP304H Stainless steel seamless pipe are widely used in pipeline construction, oil and chemical industry, nuclear technology, and boiler making industry. The increased carbon content delivers a greater tensile and yield strength. The austenitic structure of TP304H stainless steel also gives it excellent toughness, even down to cryogenic temperatures. We supply and manufacture TP304H stainless seamless pipe with a wide range of size, from 10.0mm to 1219mm. The wall thickness of TP304H seamless stainless steel pipe ranges from 0.5mm to 100mm. The common length of each pipe is 5.8m, 6.0m, 11.8m, 12m. The maximum length we produce is up to 18m. Sheye Metal can produce TP304H seamless stainless steel pipes in strict accordance with ASTM, EN, JIS, DIN standard to meet client’s different requirements. ASTM A312 TP304H Stainless steel seamless pipe is the most common product. TP304H stainless seamless pipes can be cut to size and pipe with polished finish it is also available. A lot of processing services, including punching, painting, beveling, chamfering are all available for us. With strong technical force, advanced equipment and skilled craftsmanship, Sheye Metal can manufacture TP304H seamless stainless steel pipe and good quality is guaranteed. For metal, we are serious.

Specification of 304H Stainless Steel Seamless Pipe

Size

OD: 10.0 ~ 1219mm; WT: 0.5 ~ 100mm; Length: 5.8m, 6m, 11.8m, 12m, Max.18m

Process

Seamless, Cold Drawn, Cold Rolled, Hot Rolled

Different Name

1.4948 Seamless Stainless Steel Pipe

X6CrNi18-10 Seamless Stainless Steel Pipe

UNS S30409 Seamless Stainless Steel Pipe

End

PE(Plain End), BE(Beveled End), NPT, BW(Butt Weld End)

Surface

Aid Pickling, Polishing, Brushing

Standard

ASTM A312, ASTM A213, EN10216-5, DIN 17456, DIN 17458, JIS G3459, JIS G3463

Theoretical Weight(kg/m)

Weight/meter = (OD-WT)*WT*0.02491    Both OD and WT in mm.

Note:
OD is the specified outside diameter.
WT is the specified wall thickness
Stainless steel pipes shall be pickled free of scale. When bright annealing is used, pickling is not necessary.
Plain ends cut and deburred will be furnished. If threaded ends or ends beveled for welding are desired, give details.

Delivery Conditions a of 304H Seamless Stainless Steel Pipe

Type of Condition

Surface Condition

HFD

Hot finished heat treated, descaled

Metallically Clean

CFD

Cold finished heat treated, descaled

Metallically Clean

CFA

Cold finished bright annealed

Metallically Bright

CFG

Cold finished heat treated, ground

Metallically bright-ground, the type and degree of roughness shall be agreed at the time of enquiry and order b

CFP

Cold finished heat treated, polished

Metallically bright-ground, the type and degree of roughness shall be agreed at the time of enquiry and order b

Note a : Combinations of the different conditions may be agreed at the time of enquiry and order;
Note b : The enquiry and the order shall indicate whether the roughness requirement applies on the internal or external tube surface, or internal and external.

Chemical Composition of 304H Stainless Steel Seamless Pipe 

Element

UNS S30409(304H)
     %

Tolerances, %

C, max

0.04 to 0.10

±0.01

Mn, max

2.00

±0.04

P, max

0.045

±0.005

S, max

0.030

±0.003

Si, max

1.00

±0.05

Ni

8.0 to 11.0

±0.15

Cr

18.0 to 20.0

±0.20

Mechanical Properties of 304H Seamless Stainless Steel Pipe and Tube

Alloy

Temper

Tensile Strength
     Min, MPa

Yield Strength, 0.2%
     Offset, min, MPa

Elongation in2 in. or
     50mm (or 4D), min, %

UNS S30409

Solution Annealed

515

205

35

ASTM A312 TP304H Stainless Steel Seamless Pipe Tolerance
Tolerances in Wall Thickness of ASTM A312 TP304H Stainless Steel Seamless Pipe

NPS Designator

Tolerance, % from Nominal

Over

Under

1/8 to 2-1/2 incl., all t/D ratios

20

12.5

3 to 18 inch., t/D up to 5% incl.

22.5

12.5

3 to 18 inch., t/D>5%

15

12.5

20 and larger, welded, all t/D ratios

17.5

12.5

20 and larger, seamless, t/D up to 5% incl.

22.5

12.5

20 and larger, seamless, t/D>5%

15

12.5

Note: t = Nominal Wall Thickness; D = Ordered Outside Diameter

Tolerances in Outside Diameter of ASTM A312 TP304H Stainless Steel Seamless Pipe

NPS Designator

Tolerances in Outside Diameter

Over

Under

in.

mm

in.

mm

1/8 to 1-1/2, incl

1/64 (0.015)

0.4

1/32 (0.031)

0.8

Over 1-1/2 to 4, incl

1/32 (0.031)

0.8

1/32 (0.031)

0.8

Over 4 to 8, incl

1/16 (0.062)

1.6

1/32 (0.031)

0.8

Over 8 to 18, incl

3/32 (0.093)

2.4

1/32 (0.031)

0.8

Over 18 to 26, incl

1/8 (0.125)

3.2

1/32 (0.031)

0.8

Over 26 to 34, incl

5/32 (0.156)

4

1/32 (0.031)

0.8

Over 34 to 48, incl

3/16 (0.187)

4.8

1/32 (0.031)

0.8

Straightness Tolerances of ASTM A312 TP304H Stainless Steel Seamless Pipe

Specified OD, in.

Specified Wall Thickness, in.

Maximum Curvature in any 3ft, in.

Maximum Curvature i Total Length, in.

Up to 5.0 incl.

Over 3% OD to 0.5, incl.

0.03

0.010 x length, ft

Over 5.0 to 8.0, incl.

Over 4% OD to 0.75, incl.

0.045

0.015 x length, ft

Over 8.0 to 12.75, incl.

Over 4% OD to 1.0, incl.

0.06

0.020 x length, ft

Tests of 304H Stainless Steel Seamless Pipe
1.Chemical Analysis (ASTM E345)
2.Mechanical Properties (Tension: ASTM E8)
3.Nondestructive Test
3.1:100% Hydrostatic Test
3.2:According to ASTM A450/A450M

Major Testing Facility List

No.

Equipment Name

Main Specifications

Accuracy

1

HF Infrared Carbon-sulfur Analyzer HIR-944B

C:0.0001%-10.0000%; S:0.0001-0.3500%

0.1ppmm

2

Visible-Infrared Spectrometer HC-2

330-820

±2nm

3

Nitrogen Oxygen Analyzer EMGA-620W

O:0-0.1wt%; N:0-0.5wt%

≤1.0ppm

4

Direct-reading Spectrometer SPECTRO MAXx06

C, Si, Mn, P, S, Cr, Mo, Ni, Al, Co, Cu, Nb, Ti, V, W, Pb, Sn, Mg, As, Zr, Bi, Ca, Ce, Sb, Se, Ta, Te, B, Zn, La, N, Fe

0.001%

5

OBLF Direct-reading Spectrometer GS1000

Ti, V, C,P, S, Cu, Sn, Cr, Mn, Ni, Mo, Co, B, W, Nb, Al, Si

0.001%

6

Handheld Direct-reading Spectrometer XSORT

Ti, V, Cu, Sn, Cr, Mn, Ni, Mo, Pb, Co, W, Zn, Nb, …

-

7

Hydraulic Universal Tester WE-600C

0-600KN

Grade 1.0

8

Microcomputer Hydraulic Universal Testing Machine CHT-4605

0-600KN

Grade 1.0

9

Impact Testing Machine JB-300B/ JB-W300B

0-300KN (min -196℃)

2J ±0.1℃

10

Leeb Hardness Tester TH-160 TH110

0-1045HL

±1HL

11

Micro Vickers  MHV-1000

(200-300) HV0.05; (400-500)HV0.1; (700-800)HV0.2; (700-800) HV0.5  HV1

±5.0%; ±4.0%; ±4.0%; ±3.0%; ±3.0%;

12

Low Load Vickers Hardness Tester HV-10A

49.03-980N

--

13

Brinell Hardness Tester HB-3000B-1

8-650HBW

--

14

Rockwell Hardness Tester HR-150A-I

20-88HRA; 20-100HRB; 20-70HRC

0.5

15

Metallographic Analysis 4XC; PXS-1020

50X-1000X; 10X/20X

--

16

Hand-held Roughness Meter TR210

≤160μm

±10%

17

Water-bath  HH-501

RT--100℃

±0.5℃

18

16 Channel Ultrasonic Testing Machine  CTB-108, X2

φ120-830mm

C5

19

8 Channel Ultrasonic Testing Machine CTB-108

φ14-114mm

C5

20

Double Channel Ultrasonic Testing Machine CUT-2A

0-100db

1db

21

Ultrasonic Testing Machine CTS-23/CTB106/CUT512G

φ89-508mm; φ14-114mm; 0-100db

C5; C5; 1db

22

Eddy Current Flaw Detector ECT-308;ECT-306E;IDEA-4D; G-8B; ET-910B

φ10-89mm, φ89-168mm; φ219-1200mm; 10-10MHz, 0-99db; 14-114

A; -; A; A; A

23

Hydrostatic Testing Machineφ10-133mm; φ133-610mm; φ630-1500mm

30MPa; 30MPa; 50MPa;

--

24

X-ray Detector XY2515; HK320; XYD225

WT≤50mm; WT≤50mm; WT≤20mm;

--

25

X-ray Video Detector XYD225

WT≤8mm

--

26

Ultrasonic Flaw Detector (Welded) SPUT

Od:168-1200mm; WT:3-40MM; L:4-12.5m

--

Reference Projects regarding TP304H Stainless Steel Seamless Pipe

Clients

Project Name

Specifications

China National Offshore Oil Refining

Huizhou Refinery Project 102 & 109 Part Hydrogen Device

ASTM A312 TP304H Stainless Steel Seamless Pipe 406*13mm

33MT

China Shenhua Coal to Liquid and Chemical Co.,LTD

Coal Chemical Industry

ASTM A312 TP304H Stainless Steel Seamless Pipe

34*2.5, 219.1*30, 610*9.5, 478*8, 711*12.7mm   268MT

HQCEC

Ningxia Chemical Industry 45/80

ASTM A312 TP304H Stainless Steel Seamless Pipe

323.9*17.48mm,  406.4*21.44mm, 508*26.19mm,  508*44.45mm, 323.9*28.58mm, 219*12.7mm, 219*20.62mm

Suzhou Tianwo Technology Limited Liability Company

--

GB 13296-2013  TP304 TP304H Stainless Steel Seamless Pipe

The Linde A G Group Selas Fluid Processing Corporation

Hanwha Chemical Corporation EDC project

SMLS TP304H Seamless Stainless Pipe

114.3*8.56  355.6*11.13mm

Alstom Power Energy Recovery Gmbh

Project 123117, 123116

Welded TP304H Stainless Steel Pipe 88.9*5.49, 88.9*4mm

Bharat Heavy Electricals Limited

--

TP304H Stainless Seamless Tube  51*7.1, 76.2*5.08,  60.3*3.91, 38.1*3.6mm

Packing Information of 304H Stainless Steel Seamless Pipe
304H Stainless steel seamless pipes from Sheye Metal are packed according to the customer's requirement. To avoid any damage which might be caused during international transportation, we provide some optional packaging methods, including woven bags, plywood cases, and wooden boxes.

If you are going to buy high quality tp304h stainless steel seamless pipe in stock, please feel free to contact Sheye Metal, which is one of the well-known manufacturers and suppliers of good tp304h stainless steel seamless pipe.

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