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Custom TP321 Duplex Stainless Steel Seamless Pipe 304 / 304L / 316L

Custom TP321 Duplex Stainless Steel Seamless Pipe 304 / 304L / 316L

Categories Stainless Steel Seamless Pipe
Place of Origin: CHINA
Brand Name: BWSS
Certification: ISO, GOS, PED
Model Number: TP304/TP304L/TP316L/TP304H/TP347H/
MOQ: 0.5-1 tons
Price: Negotiable
Packaging Details: in plastic bags then in bundles
Delivery Time: According to the qty
Payment Terms: T/T, L/C
Supply Ability: 1000 tons per month
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Custom TP321 Duplex Stainless Steel Seamless Pipe 304 / 304L / 316L


Custom TP321 Duplex Stainless Steel Seamless Pipe 304 / 304L / 316L


Stainless Steel Seamless Pipe:
1. Material: TP321
2 OD: 6-830MM, THICKNESS: 0.6-60MM

Type 321 is a standard austenitic 18/8 chromium nickel alloy with the addition of Titanium
making it an excellent choice in elevated temperature environments.

The titanium stabilises the material removing its susceptibility to the effects of intergranular
corrosion. 321 is therefore the stainless steel material of choice for applications in working
environments up to 9000 C.

A drawback of Type 321 is that the titanium does not transfer well across a high temperature
arc, so it is not recommended as a welding consumable
In such instances, 347 is the preferred choice as the Niobium performs the same function as
Titanium but can be still transferred across a high temperature arc. Type 347 is therefore the
consumable of choice for welding Grade 321.

The steel has excellent forming and welding qualities and excellent toughness even at cryogenic temperatures. If you are looking
for a stainless steel to provide resistance to intergranular corrosion, 304L is the normal choice as it is a more commonly used
and supplied steel
However, 321 is a much better option in operating temperature environments in excess of 500
0C and therefore have its ownmerits.
Note that Type 321 does not polish well so it is not practical to use this material as cosmetic architectural feature.


Product Range
Specifications: ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
Sizes (Seamless): 1/2" NB - 24" NB
Sizes (ERW): 1/2" NB - 24" NB
Sizes (EFW): 6" NB - 100" NB
Wall Thickness available:
Schedule 5S - Schedule XXS (heavier on request)
Other Materials Testing:
NACE MR0175, H2 SERVICE, OXYGEN SERVICE, CRYO SERVICE, etc.


MAIN STEEL TYPE AND GRADE :

PRODUCTS

TYPICAL STEEL GRADE

Austenitic

TP304,TP304L,TP304H,TP316,TP316L,TP316H,TP316Ti
TP321,TP321H,TP347H,904L,TP310H,TP310S,TP317,TP317L

Duplex / Super Duplex

S31803, S32205, S32750


MAIN PRODUCTION STANDARDS:

STANDARD TYPE

STANDARD

EN

EN10216-5 , EN10216-2

DIN

DIN 17456 , DIN 17458

ASTM

ASTM A312, A213, A269, A511, A789, A790 ETC

GOST

GOST 9941 , GOST 5632

JIS

JIS G3459 , JIS G3463

GB

GB/T14975,GB/T14975, GB13296, GB5310, GB9948


OUR BWSS PRODUCTION WORKSHOP
The safety in production, quality first.
Specialized production workshop, professional production staff.
Shop the '7 s' principle
The standardized production, the comprehensive treatment


BWSS CHARISMA :
Make development by enlarging scale brand building and internationalization.
Keep Challenging and Innovation.
Advance manufacturing instruments.
Create perfect quality.
Take strict testing as guarantee, upgrade grade as object.
EXHIBITION AND CUSTORMER SATISFACTORY


APPLICATIONS FIELD :
1. Pipe and Tubes for petrochemical industry
2. Pharmaceutical industry
3. Food industry
4. Aviation and aerospace industry
5. Architectural decoration industry


Specifications:

Mechanical Property

Material Item

304

304L

304

316L

Top Technology

Tensile Strength

≥520

≥485

≥520

≥485

Yield Strength

≥205

≥170

≥205

≥170

Extension

≥35%

≥35%

≥35%

≥35%

Hardness (HV)

<90

<90

<90

<90


Quality Custom TP321 Duplex Stainless Steel Seamless Pipe 304 / 304L / 316L for sale
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