stainless steel seamless pipe tube

Items

Square steel pipe, round steel pipe, oval steel pipes, special shaped pipes,empaistic pipes, fittings

Standard

ASTM A554, A249, A269 and A270

Material Grade

201: Ni 0.8%~1%

202: Ni 3.5%~4.5%

304: Ni 8%, Cr 18%

316: Ni 10%, Cr 18%

316L: Ni10%~14%

430: Cr16%~18%

Outer Diameter

9.53mm--159mm

Thickness

0.3mm - 3.0mm

Length

6m or as customers' request

Tolerance

a) Outer Diameter:  +/- 0.2mm

b) Thickness: +/- 0.02mm

c) Length: +/- 5mm

Surface

180G, 240G, 320G Satin / Hairline

400G, 600G Mirror finish

Application

handrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etc

Test

Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT

Chemical Composition of Material

  Material

Composition

201

202

304

316L

430

C

≤0.15

≤0.15

≤0.08

≤0.035

≤0.12

Si

≤1.00

≤1.00

≤1.00

≤1.00

≤1.00

Mn

5.5-7.5

7.5-10

≤2.00

≤2.00

≤1.00

P

≤0.06

≤0.06

≤0.045

≤0.045

≤0.040

S

≤0.03

≤0.03

≤0.030

≤0.030

≤0.030

Cr

13-15

14-17

18-20

16-18

16-18

Ni

0.7-1.1

3.5-4.5

8-10.5

10-14

Mo

2.0-3.0

Mechanical Property

Material Item    

201

202

304

316

Tensile Strength

≥535

≥520

≥520

≥520

Yield Strength

≥245

≥205

≥205

≥205

Extension

≥30%

≥30%

≥35%

≥35%

Hardness (HV)

<105

<100

<90

<90

stainless steel pipe

0Cr18Ni9 (304),00Cr19Ni10 (304L),00Cr17Ni14MO2(316L),

00Cr17Ni12MO2(316),
0Cr19Ni13MO3(317) ,
00Cr19Ni13MO3(317L) ,
1Cr17Mn6Ni5N(201) ,
1Cr18Mn8Ni5N(202) ,
1Cr17Mn6Ni5N(201) ,
1Cr17Ni7(301),
1Cr18Ni9(302),
Y1Cr18Ni9(303),
0418Ni10Ti(321),
1Cr18Ni9Ti(321H),
1Cr17(430),1Cr17Mo(434)
1Cr12(403),1Cr13(410),
2Cr13(420),3Cr13(420)

GB/T 14976-2002
GB/T 14975-2002

 -Decorative Stainless Steel

 Structural Pipe

10,20,35,45,Q235

16Mn Q345B

GB/T8162-2008

--for the general structure

6-610×1-75

Fluid Pipe

20,Q345

GB/T8163-2008

Fluid transport

8-630×1.5-40

Precision Tube

St35 St37.4(10#) St45(20#)St55(35#) Ck45(45#)
St52(16Mn) CH8Ni9Ti 35Cro

GB/T3639-2000

DIN2391

For the automotive, motorcycle, engineering machinery, jack, electrical tools and sporting equipment and other areas

10-180×2-24

High Pressure Boiler Tube

20G,A106c
ST45.8/3

GB5310-95
ASTMA106-99
DIN17175-79

Heat-resistant high-pressure boiler seamless steel pipe

16-824×2-65

Hydraulic prop tube

27SiMn

GB5310-2008

hydraulic pressure stand 

hydraulic prop

70-377×9-40

alloy-steel pipe

12Cr1MoV
P22(10CrMo910)
T91,P91,P9,T9

WB36,Cr5Mo(P5,STFA25,T5,)
15CrMo(P11,P12,STFA22)
13CrMo44,Cr5Mo,15CrMo,25CrMo,

30CrMo,40CrMo

DIN17175-79
JISG3467-88
JISG3458-88

GB5310-95 
GB9948-88
ASTMA335/A335m
ASTMA213/A213m

high-temperature resistant,

Low temperature-resistant, corrosion-resistant Seamless pipe for Petroleum, chemical, electric power,

Boiler industry

16-824×2-100

Casing pipe

J55 N80, P110

API SPEC 5CT

-- oil pipe for oil well, Coupling Cylinder

60-630×1.53-40

Low and medium pressure boiler tube

10,20

GB3087-1999

- for  Low and Medium Pressure Boiler

-boiling tube,-motorcycle
-smoke tube

10-530×2-40

Oil cracking tube

20
12CrMo
15CrMo

GB9948-88

-

furnace tube for Refined petroleum refining plant

-heat-exchanger tube

- Pipeline seamless pipe

10-530×1.5-36

high-pressure seamless pipe for chemical fertilizer equipment

20,16Mn,Q345

GB6479-2000

Fertilizer Equipment

-pipeline

25-426×6-40

Marine tube

410

GB/T5312-1999

specificial  pressure pipe for vessel manufacturing

- tube for boilers and overheating

14-426*1.5-4.5

 line pipe 

5L GR.B, X52,X60

API

-for petroleum,natural gas, industrial dilivery(gas,water,oil)

60-630×1.53-40

 Rectangular Tube

Q195,Q235,Q345,20#

GB/T6278-2002

 Structure, decoration, construction

20*20-500*500

  ductile iron pipe

-iron

GB/T13295-2003 ISO2531/2003

- Public works, mining, textile, electric power, boilers, drinking water, machinery, military industry

DN80-1500

-square pipe

Q195,Q235,Q345,20#

GB/T6278-2002

 Structure, decoration, construction

20*20-500*500