A312 6inch Duplex Welded Steel Seamless Pipes Round 304l 304h

 

A312 6 Inch Duplex Welded Steel Seamless Pipes Round 304L 304H

 

 

Quick Detail:

Steel Seamless Pipes : A312  TP310S .DIN1.4845 TP304.DIN1.4301

Pickled and  Annealed

 

 

Description:

 

MATERIAL GRADE

 

American Standard	Austenitic Steel: TP304,TP304L,TP304H,TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H,   TP317,TP317L, TP321, TP321H,TP347, TP347H,904L…
European Standard	1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,1.4438,  1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501

 

 

SIZE DETAILS :

 

Production	Outside Diameter	Wall Thickness
Seamless Steel Pipe	6.00mm to 610mm	1mm to 40mm

 

 

Applications:

The products are applied to trades such as papermaking,  chemical industry, shipbuilding, petroleum, 

electricity, food, pharmacy, natural gas, metallurgry, architecture, sewage disposal, environmental

protection, aerospace,heat exchanger, etc. Extensively.

Specifications:

Stainless Steel [SS] 304 / H / L / N / LN
AISI	304 / 304H / 304L / 304N / 304LN
UNS	S30400 / S30409 / S30403 / S30451 / S30453
Werkstoff Nr.	1.4301 / 1.4306 / 1.4948 / 1.4311

Standard Specification:

ASTM A213 / A213M - 11a:Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

ASTM A269 - 10:Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

ASTM A789 / A789M - 10a:Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

ASTM A790 / A790M - 11:Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe


ASTM A312 / A312M - 12:Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

 

Chemical Composition:

SS	304	304H	304N	304L	304LN
Ni	8 – 11	8 – 11	8 – 11	8 – 13	8 – 11
Fe	Balance
Cr	18 – 20	18 – 20	18 – 20	18 – 20	18 – 20
C	0.08 max	0.04 – 0.10	0.08 max	0.035 max	0.035 max
Si	0.75 max	0.75 max	0.75 max	0.75 max	0.75 max
Mn	2 max	2 max	2 max	2 max	2 max
P	0.040 max	0.040 max	0.040 max	0.040 max	0.040 max
S	0.030 max	0.030 max	0.030 max	0.030 max	0.030 max
N			0.10 – 0.16		0.10 – 0.16

 

 

Mechanical & Physical Properties:

Density	8.0 g/cm3
Melting Point	1400 °C (2550 °F)
Tensile Strength	Psi – 75000 , MPa – 515
Yield Strength (0.2%Offset)	Psi – 30000 , MPa – 205
Elongation	35 %

 

Final finishing: 

Anealed & Pickled 

 

Test: 

Flattening Test, Hydrostatic Test, Intergranular Corrosion Test, Flattening Test, Eddy Testing, etc

Competitive Advantage:

1. We offer you our best price with good quality of the materials.

2. We will deliver the materials strictly according to the the delivery date noted on the contract.

3. We also always have the huge ready stock for sell.