Zhongzheng Stainless Steel Co., Ltd.: 1Yr

Tianjin, China; Main products: Stainless Steel, Valve, Flange, pipe fitting

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Home > Products > Industrial Pipeline Series > ASTM A312/A312M Austenitic Chromium Nickel Stainless Steel Tube Pipe Tp309s/TP319h

ASTM A312/A312M Austenitic Chromium Nickel Stainless Steel Tube Pipe Tp309s/TP319h

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US$ 690 - 1000 / Ton

1 Ton(Min. Order)

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Delivery Detail8 days

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Product Details

Type	Stainless Steel Pipes	Certification	ISO, ROHS, IBR, AISI, ASTM, GB, EN, DIN, JIS, Other
Shape	Round	Grade	Other
Technique	Other	Surface Treatment	Polished
Standard	ASTM, AISI, GB, JIS, DIN, EN, Other	Specification	OEM
Trademark	ZHONGZHENG INTERNATIONAL	Origin	China

Product Description

316L TP304 BA clean pipe

Alloy 309 (UNS S30900) is an austenitic stainless steel developed for use in high temperature corrosion resistance applications. The alloy resists oxidation up to 1900°F (1038°C) under non-cyclic conditions. Frequent thermal cycling reduces oxidation resistance to approximately 1850°F (1010°C).

Because of its high chromium and low nickel content, Alloy 309 can be utilized in sulfur containing atmospheres up to 1832°F (1000°C). The alloy is not recommended for use in highly carburizing atmospheres since it exhibits only moderate resistance to carbon absorption. Alloy 309 can be utilized in slightly oxidizing, nitriding, cementing and thermal cycling applications, albeit, the maximum service temperature must be reduced.

When heated between 1202 – 1742°F (650 – 950°C) the alloy is subject to sigma phase precipitation. A solution annealing treatment at 2012 – 2102°F (1100 – 1150°C) will restore a degree of toughness.

309S (UNS S30908) is the low carbon version of the alloy. It is utilized for ease of fabrication. 309H (UNS S30909) is a high carbon modification developed for enhanced creep resistance. It most instances the grain size and carbon content of the plate can meet both the 309S and 309H requirements.

Alloy 309 can be easily welded and processed by standard shop fabrication practices.

Basic Info.

Model NO.

TP309/TP309S/TP309H(UNS30900)

Grade

Duplex

Certification

ISO, AISI, ASTM, GB, EN

Shape

Round

Technique

Cold Rolled

Surface Treatment

Pickling and Annealing

Transport Package

Plywood Case, Knitting Strips

Specification

OD: 1/2"--40", WT: 10S--XXS

Origin

China

HS Code

7304419000

Production Capacity

15000tons/Year

Product Description

Chemical Composition

Grade	C	SI	Mn	Cr	Ni	P	S	Fe
309	≤0.2	≤00.75	≤02	22.0-24.0	12.0-15.0	≤00.045	≤00.03	Balance
TP309S	≤0.08	≤00.75	≤02	22.0-24.0	12.0-15.0	≤00.045	≤00.03	Balance
TP309H	0.04.-0.10	≤00.75	≤02	22.0-24.0	12.0-15.0	≤00.045	≤00.03	Balance

Mechanical Properties

Grade

Tensile Strength

Ksi(Mpa)

Yield Strength Ksi(Mpa)

Elongation

in 2" or 50 mm, %

Hardness

Brinell/Vickers

Hardness

Rockwell

TP309S

≥75(515)

≥30(205)

≥35

≤192HBW/200HV

≤90HRB

TP309H

≥75(515)

≥30(205)

≥35

≤192HBW/200HV

≤90HRB

Applications

Boiler baffles
Furnace components
Oven linings
Fire box sheets
Other high temperature containers.

Material Summary

TP309 Stainless Steel Tubing are austenitic chromium-nickel ss that provide excellent corrosion resistance and heat resistance plus good strength at room and elevated temperatures. The lower nickel content of 309 tubes improves resistance to sulfur attack at high temperatures. The high chromium and nickel content of SUS 309 Pipe & tubes provides comparable corrosion resistance, superior resistance to oxidation, and the retention of a larger fraction of room temperature strength than the common austenitic 304.

The steel resists oxidation up to 1900°F (1038°C) under non-cyclic conditions
Because of its high chromium and low nickel content, 309 can be utilized in sulfur containing atmospheres up to 1832°F (1000°C). The steel is not recommended for use in highly carburizing atmospheres since it exhibits only moderate resistance to carbon absorption. 309 can be utilized in slightly oxidizing, nitriding, cementing and thermal cycling applications, albeit, the maximum service temperature must be reduced.

Company Profile

Zhongzheng Stainless Steel Co., Ltd.

Zhongzheng Stainless Steel Co., Ltd. is a China-based manufacturer specializing in R&D, production, and distribution of stainless steel products. Established in the early 2000s, it serves industries including construction, machinery, food/medical equipment, and energy with precision tubes, sheets, profiles, and custom components.

Contact Us

Zhongzheng Stainless Steel Co., Ltd.: Contact nameLaijing Bu
Chat Now; AddressRoom 104-07, Building 5, Jinghu Technology Park Huanajinghu Garden, Donglihu Subdistrict Dongli District,

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Product Categories

Galvanized steel pipe	Steel coil sheet and plate	Galvanized Steel Sheet	Industrial Pipeline Series
Industrial sheets and rolls	Industrial Valve Series	Industrial Accessories Series	Sanitary valve series
Hygienic grade piping series	Hygienic grade accessory series	Sanitary grade panels and rolls	Special Materials
Galvanized steel	Sanitary Pipeline Series	Titanium and titanium alloy steel

ASTM A312/A312M Austenitic Chromium Nickel Stainless Steel Tube Pipe Tp309s/TP319h

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