ASTM A213 TP304 316 321 Stainless Steel Seamless Tube Polished For Heat Exchanger
Brand Name:YUHONG
Certification:ISO, SGS, BV, ISO & SGS, ISO/CE/SGS
Model Number:ASTM A213 TP304
Minimum Order Quantity:100 KGS
Delivery Time:20-80 days
Payment Terms:T/T, L/C
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Ningbo Zhejiang China
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20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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ASTM A213 TP304 316 321 Stainless Steel Seamless Tube Polished For Heat Exchanger
Yuhong Special Steel has been engaged in seamless welded pipes and pipes of austenitic stainless steel and nickel alloy steel (Hastelloy, Monel, Inconel, Inconel) for more than 25 years, with annual sales of more than 80,000 tons of steel pipes and pipes. pipeline. Our customers are located in over 55 countries including USA, Canada, UK, Germany, Italy, Chile, Colombia, Saudi Arabia, South Korea, Singapore, Australia, Poland and France.
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 General Purpose Seamless
and Welded Austenitic Stainless Steel Pipe
ASTM A312/A312M-12: Standard Specification for Seamless, Welded,
and Recold-Worked Austenitic Stainless Steel Pipe
ASTM A511/A511M-12: Standard Specification for Seamless Stainless
Steel Mechanical Tubing
ASTM A789/A789M-10a: Standard Specification for General Purpose
Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
ASTM A790/A790M-11: Standard Specification for Seamless and Welded
Ferritic/Austenitic Stainless Steel Pipe
DIN 17456-2010: Seamless round stainless steel tubes for general
purpose.
DIN 17458-2010: Seamless round austenitic stainless steel tubes
EN10216-5 CT 1/2: Stainless Steel Seamless Pipe
GOST 9941-81: Seamless cold-worked and warm-worked tubes made of
corrosion-resistant steel.
Other standards such as BS and JIS are available
We are one of the largest stainless steel, duplex and alloy steel pipe manufacturers in China. After more than 20 years of development, we have accumulated many customers all over the world, and Yuhong products have also won unanimous praise from customers.
What is the meaning of SS 304?
Type 304 stainless steel is a T 300 series austenitic stainless steel. It contains a minimum of 18% chromium and 8% nickel, and a maximum of 0.08% carbon. It is defined as a chromium-nickel austenitic alloy. Grade 304 is the standard "18/8" stainless steel you might see in pans and cooking tools.
What is difference between ss316 and ss304?
The main difference between 304 and 316 stainless steel is the chemical composition, 316 contains a large amount of molybdenum; typically 2 to 3% by weight, while 304 has only trace amounts. Higher molybdenum content results in higher corrosion resistance of grade 316.
Is 304 stainless steel good quality?
Both steels are durable and have excellent corrosion and rust resistance. 304 stainless steel is the most versatile and widely used austenitic stainless steel in the world because of its corrosion resistance.
How can you tell if stainless steel is 304?
If you want to do spot check of SS, just take a random piece from the raw material and do a spark test. Run a grinder on it, if the sparks are reddish orange, thin and don't fly much it's SS304. If the sparks are yellow, thick and fly lot further it is SS 202.
A312 TP304 Chemical Composition
| SS GRADE | 304 | 304N | 304LN |
| Ni | 8 – 11 | 8 – 11 | 8 – 11 |
| Fe | Balance | ||
| Cr | 18 – 20 | 18 – 20 | 18 – 20 |
| C | 0.08 max | 0.08 max | 0.035 max |
| Si | 0.75 max | 0.75 max | 0.75 max |
| Mn | 2 max | 2 max | 2 max |
| P | 0.040 max | 0.040 max | 0.040 max |
| S | 0.030 max | 0.030 max | 0.030 max |
| N | 0.10 – 0.16 | 0.10 – 0.16 | |
A312 TP304 Mechanical Properties
| Stainless Steel Gr. | 304 |
| Rockwell B (HR B) maximum | 92 |
| Brinell (HB) maximum | 201 |
| Tensile Strength minimum (MPa) | 515 |
| Yield Strength 0.2% Proof minimum (MPa) | 205 |
| Elongation minimum (% in 50mm) | 40 |
| Hardness | - |
SA 312 TP 304 Equivalent
| GRADE | UNDER | ASTM A312 TP 304 |
| UNS | USA | S30400 |
| EN | EUROPE | X5CrNi18-10 |
| JIS | JAPAN | SUS 304 |
| AFNOR | GOST | Z7CN18‐09 |
| BS | BRITISH | 304S31 |
| WERKSTOFF NR. | GERMAN | 1.4301 |
| GOST | 08Х18Н10 | |
| SS | SWEDISH | 2332 |
Applications for 304 Stainless Steel
- Auto moldings and trim
- Wheel covers
- Storage tanks
- Kitchen equipment/appliances
- Electrical enclosures
ASTM A213 TP304 316 321 Stainless Steel Seamless Tube Polished For Heat Exchanger
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