Factory made hot-sale 201 402 430 202 304 316L 304 6 Inch Hot Cold Rolled Round Square Welded Seamless Stainless Steel Pipe Tube Price
Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for Factory made hot-sale 201 402 430 202 304 316L 304 6 Inch Hot Cold Rolled Round Square Welded Seamless Stainless Steel Pipe Tube Price, We have been keeping chasing WIN-WIN problem with our purchasers. We warmly welcome consumers from everywhere in the planet coming in excess of for a visit and establishing long-term connection.
Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for China 304 Seamless Pipe and 316 Seamless Pipe, Our next goal is to exceed the expectations of every client by offering outstanding customer service, increased flexibility and greater value. All in all, without our customers we do not exist; without happy and fully satisfied customers, we fail. We are looking for the wholesale, Drop ship. Please contact us if you are interesting our products. Hope to do business with you all. High quality and fast shipment!
ASTM A268 Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing
Introduction
ASTM A268 specification covers a number of grades of nominal-wall-thickness, welded ferritic and martensitic stainless steel tubing for general corrosion-resisting and high-temperature service like heaters, burners, Petroleum Refining and Petrochemical Processing, Heat exchangers, Thermal Processing, Biomedical, food processing equipment, automotive exhausts, and hot water tanks and more.
Specification
Standard: ASTM A268/A268M-2022
Grade: TP405, TP410, TP429, TP430, TP443, TP446-1, TP446-2, TP409
Grade: TP439, S41500, S44400, S44700, S44635, TP468
Outside Diameter: 12.7 – 203.2mm
Wall Thickness: 0.4 – 8.0mm
Length: 3000 – 36000mm
Type: Straight Tube, U-Tube
TP405, TP410, TP429, TP430, TP443, TP446-1, TP446-2, TP409 Chemical Composition (wt%):
Grade | TP405 | TP410 | TP429 | TP430 | TP443 | TP446–1 | TP446–2 | . . . | TP409 |
UNS No. | S40500 | S41000 | S42900 | S43000 | S44300 | S44600 | S44600 | S40800 | S40900 |
Element | Composition, % | ||||||||
C, max | 0.08 | 0.15 | 0.12 | 0.12 | 0.2 | 0.2 | 0.12 | 0.08 | 0.08 |
Mn, max | 1 | 1 | 1 | 1 | 1 | 1.5 | 1.5 | 1 | 1 |
P, max | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.045 | 0.045 |
S, max | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.045 | 0.03 |
Si, max | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Ni | 0.50 max | . . . | . . . | . . . | 0.75 max | 0.75 max | 0.50 max | 0.80 max | 0.50 max |
Cr | 11.5–14.5 | 11.5–13.5 | 14.0–16.0 | 16.0–18.0 | 18.0–23.0 | 23.0–27.0 | 23.0–27.0 | 11.5–13.0 | 10.5–11.7 |
Al | 0.10–0.30 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
Cu | . . . | . . . | . . . | . . . | 0.90–1.25 | . . . | . . . | . . . | . . . |
N | … | … | … | … | … | 0.25 | 0.25 | … | … |
Ti | … | … | … | … | … | … | … | 12 x C min; 1.10 max | 6 x C min; 0.75 max |
TP439, S41500, S44400, S44700, S44635, TP468 Chemical Composition (wt%):
Grade | TP439 | . . . | TPXM-27 | 18Cr-2Mo | 29-4 | 29-4-2 | 26-3-3 | 25-4-4 | TP468 |
UNS | S43035 | S41500 | S44627 | S44400 | S44700 | S44800 | S44660 | S44635 | S46800 |
Element | Composition, % | ||||||||
C, max | 0.07 | 0.05 | 0.01 | 0.025 | 0.01 | 0.01 | 0.03 | 0.025 | 0.03 |
Mn,max | 1 | 0.5–1.0 | 0.4 | 1 | 0.3 | 0.3 | 1 | 1 | 1 |
P, max | 0.04 | 0.03 | 0.02 | 0.04 | 0.025 | 0.025 | 0.04 | 0.04 | 0.04 |
S, max | 0.03 | 0.03 | 0.02 | 0.03 | 0.02 | 0.02 | 0.03 | 0.03 | 0.03 |
Si, max | 1 | 0.6 | 0.4 | 1 | 0.2 | 0.2 | 1 | 0.75 | 1 |
Ni | 0.50 max | 3.5–5.5 | 0.5max | 1.00 max | 0.15 max | 2.0–2.5 | 1.0–3.50 | 3.5–4.5 | 0.5 |
Cr | 17.00–19.00 | 11.5–14.0 | 25.0–27.5 | 17.5–19.5 | 28.0–30.0 | 28.0–30.0 | 25.0–28.0 | 24.5–26.0 | 18.00–20.00 |
Mo | … | 0.5–1.0 | 0.75–1.50 | 1.75–2.50 | 3.5–4.2 | 3.5–4.2 | 3.0–4.0 | 3.5–4.5 | . . . |
Al, max | 0.15 | . . . | … | … | … | … | … | … | . . . |
Cu,max | … | . . . | 0.2 | … | 0.15 | 0.15 | … | … | . . . |
N, max | 0.04 | . . . | 0.015 | 0.035 | 0.020 | 0.020 | 0.04 | 0.035 | 0.03 |
Ti | 0.20 + 4(C+ N) min; 1.1 max | … | … | (Ti + Cb) 0.20 + 4 (C + N) min; 0.8 max | … | … | (Ti + Cb)=0.20–1.00 and 6 x (C + N) min | (Ti + Cb) = 0.20 + 4 (C + N) min 0.8 max | 0.07–0.30 |
Cb | … | . . . | 0.05–0.20 | … | … | … | … | … | 0.10–0.60 (Ti + Cb)=0.2+4(C+N) min; 0.8 max |
ASTM A268/A268M Stainless Steel Tubing Mechanical Properties:
ASTM A268/A268M Stainless Steel Tubing Hardness requirements:
Manufacture
The tubes shall be made by the seamless or welded process with no filler metal added.
Heat Treatment
As a final heat treatment, tubes shall be reheated to a temperature of 1200 °F [650 °C] or higher and cooled (as appropriate for the grade) to meet the requirements of this specification.
The martensitic grade UNS S 41500 shall be reheated to a temperature of 950 °F [510 °C] or higher and cooled as appropriate to meet the requirements of this specification.
Surface Condition
All tubes shall be free of excessive mill scale, suitable for inspection. A slight amount of oxidation will not be considered as scale. Any special finish requirements shall be subject to agreement between the manufacturer and the purchaser.
Product Marking
In addition to the marking described in Specification A1016/A1016M, the marking shall indicate whether the tubing is seamless or welded. Marking Sample:
LINKUN ASTM A268/A268M UNS S44400 SMLS 44.5 X 4 X 12000MM HEAT NO. XXXXXX MADE IN CHINA
Packing
1. Covered with seaworthy bags, hexagonal bundled.
2. Packed in plywood boxes/wooden crates.
3. Packed in steel-framed boxes.
Linkun is one of the leading China Stainless Steel Pipe And Tube manufacturers and suppliers, if you want to buy or import best high-quality astm a268 stainless steel tubing professional company, factory, seller, and exporter, or if you are checking steel brands, please feel free to contact us.
Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for Factory made hot-sale 201 402 430 202 304 316L 304 6 Inch Hot Cold Rolled Round Square Welded Seamless Stainless Steel Pipe Tube Price, We have been keeping chasing WIN-WIN problem with our purchasers. We warmly welcome consumers from everywhere in the planet coming in excess of for a visit and establishing long-term connection.
Factory made hot-sale China 304 Seamless Pipe and 316 Seamless Pipe, Our next goal is to exceed the expectations of every client by offering outstanding customer service, increased flexibility and greater value. All in all, without our customers we do not exist; without happy and fully satisfied customers, we fail. We are looking for the wholesale, Drop ship. Please contact us if you are interesting our products. Hope to do business with you all. High quality and fast shipment!