Grade

Chemical Composition(%)

Remark

C≤

Mn≤

P≤

S≤

Si≤

Cr

Ni

Mo

N

Cu

304

0.08

2.00

0.045

0.030

0.75

18.0~20.0

8.0~10.50

0~0.1

304L

0.030

2.00

0.045

0.030

0.75

18.0~20.0

8.0~12.0

0~0.1

310S

0.08

2.00

0.045

0.030

1.50

24.0~26.0

19.0~22.0

321

0.08

2.00

0.045

0.030

0.75

17.0~19.0

9.0~12.0

0~0.1

Ti≥5×(C+N),≤0.70

316

0.08

2.00

0.045

0.030

0.75

16.0~18.0

10.0~14.0

2.0~3.0

0~0.1

316L

0.030

2.00

0.045

0.030

0.75

16.0~18.0

10.0~14.0

2.0~3.0

0~0.1

317

0.08

2.00

0.045

0.030

0.75

18.0~20.0

11.0~15.0

3.0~4.0

0~0.1

317L

0.030

2.00

0.045

0.030

0.75

18.0~20.0

11.0~15.0

3.0~4.0

0~0.1

Parts of Achivements

PROJECT NAME

MATERIAL

SPECIFICATION(mm)

Q’TY(T)

Qilu Petrochemical Plant

TP316L

38.1 / 50.8 x 1.5 / 2.0

15

Shandong Beichen(Nuclear)

316L

16 x 1.2 x U

150

Huali Petrochemical Plant

TP304L

38.1 / 60.3 x 1.5 / 2.1

330

Dongsheng Petrochemical Plant

TP304

16 / 25.4 x 1.24 / 1.5

480

Pushin(Petrochemical application)

TP304

50.8 / 38.1 x 1.2 / 2.1

1232

Nanjing steam turbine works(Condenser)

304/316L

16 / 19 x 1.2 / 1.5

40

Spainish Customer

TP316L

31.8 / 38.1 x 1.2 x 2.1

230

304

44.5 / 50.8 x 1.2 / 1.5

190

Germany Customer

304/316L

25.4 / 42.4 x 1.5 / 2.0

320

Pakistan Customer

304

42.4 x 1.5 x 12000

150

Industry

Applications

Industry

Applications

Thermal Power Station

Condensers

Paper / Pulp

Industrial Equipments

Nuclear Power Staition

Condensers

Engineering

Machineries Instrumentation Tubing

Chemical

Heat Exchanger, Pressure Vessels

Sugar

Evaporators, Condensers, Driers

Petrochemical Industry

Condensers, Heat Exchanger

Automobiles

Muffler Tubes, Hydraulic Tubing,Exaust Pipes, Bracket Tubes

Refineries

General Piping

Architectural Construction

Construction

Fertilizers

Pressure Vessels

Phamaceuticals, Diary, Food, Beverages

Machineries Process Piping

I.Supply Best Prices With Good Quality Of The Materials.

II.Prompt Delivery Time Based On Sales Contract.

III.We Have Advanced Ndt Equipments For The Tests Such As Eddy Current Test, Ultrasonic Test, 
Hydraulic Test And So On.

IV.We Have Complete After-Sale Service To Deal With The Problems In Time.

V. Wooden Case Package Which Is Strong And Suitable For Sea Transport And Which Is Our Main Method To Protect The Tubes.Also We Will Depends On The Sizes Of The Tubes To Select More Ecomony Packing Method By Bundle.

Commodity Name

Stainless Steel Tubes

Standard

ASTM A249 / ASTM A269 / ASTM A312

Material

TP / AISI 304 / L, 316L, 317L, 321, 310S

OD

6mm – 1000mm

WT

0.5mm – 20mm

Length

Depends on Customers’ Request

Tolerance

According to ASTM A249 / ASTM A269 / ASTM A312

Main  process

Welding, Surface Treatment-Polish Or Grind

Certificate

ISO 9001:2008, Manufacture License Of Pressure Tube

Packing

Bundles With Plastic Bags, Wooden Box With Angle Steel Frame Or others

Payment Terms

T/T, L/C at sight

Delivery Time

Generally 15Days – 45Days Or Depends on the quantity and Customers’ Request

Capacity

1000 Tons Per Month

American standards:

ASTM A249: Standard specification for welded austenitic steel boiler,superheater, heat-exchanger and condenser tubes.

ASTM A269:Standard specification for welded austenitic stainless steel tubing for general service

ASTM A688:Standard specification for welded austenitic stainless steel feedwater heater tubes.

ASTM A554:Standard specification for welded stainless steel mechanical tubing.

ASTM A268:Specification for seamless and welded Ferritic/Martensitic stainless steel tubing for General Service

ASTM A789:Specification for seamless and welded Ferritic/Austenitic stainless steel tubing for General Service

ASTM A312:Seamless/Welded austenitic stainless steel pipe

Germanic standards:

DIN17455:General purpose welded circular stainless steel tubes

DIN17457: Welded circular austenitic stainless steel tubes subject to special requirements; technical delivery conditions

European Standard:

EN 10217-7:Welded Steel Tubes for pressure purposes-Part 7 Stainless steel tubes