Name

Welding Stainless Steel Tube

Grade

TP321 / 1.4541 / X6CrNiTi18-10

Standard

ASTM A269 / DIN17457 /EN10217-7

Delivery Condition

Bright Annealing Or Anneal and Pickled

Brand Name

KORER

Application

Chemical Industry

OD

6mm – 1000mm

WT

0.6mm – 20mm

Grade

Chemical Composition(%)

Remark

C≤

Mn≤

P≤

S≤

Si≤

Cr

Ni

Mo

N

Cu

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

1.4541

0.08

2

0.045

0.015

1

17.0~19.0

9.0~12.00

Ti≥5×C,≤0.70

X6CrNiTi18-10

0.08

2

0.045

0.015

1

17.0~19.0

9.0~12.00

Ti≥5×C,≤0.70

Germanic standards:

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

American standards:

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

European Standard:

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

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

Item

Contents

Requirements

1

Materail

TP304, TP304L, TP304H, TP310S, TP316, TP316L, TP316Ti, TP316H, TP317L, TP321

2

Welding Method

TIG

3

Chemical Composition

Acc.to A269 and A480

4

Heat Treatment

Bright Annealing temperature 1040

5

Straightness

Acc.to the buyer's requirements

6

Tolerance

Acc.to A269 Table 3

7

Mechanical Property

Flange Test, Reverse-Bend Test, Hardness Test, Hydrostatic or Other Nondestructive Test, Tension Test

8

Intergranular Corrosion

Supplement requirements - Acc.to the Buyer's demand

·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

1.       Pipes for Liquid Delivery.

2.       Tubes for Power Industry(Thermal Power and Nuclear Power Staition) and Petrochemical Industry:Boiler, Heat-sink, Condenser and Heat-exchanger tubes

3.       Tubes for Automotive Industry:Oil tube and Exaust System Tubes.

4.       Tubes for Medicine and Food Industry.

5.       Tubes for Mechanical and Construction.

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

2.Prompt Delivery Time Based On Sales Contract.

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

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

5. 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.