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Model No.: GB/T 21832
Brand: TORICH
Type: Welded
Certification: UL
Application: Fluid Pipe
Section Shape: Round
Surface Treatment: Oiled
Usage: Pipeline Transport
Technique: Cold Drawn
Material: 329J3L 1.4462
OD: 4-1200mm
Length: Max 12000mm
WT: 0.3-200mm
Product Name: GB/T 21832 Austenitic-Ferritic (duplex)
Packaging: Anti Rust Oil Protection, in seaworthy packing material, in hexagonal bundles or in wooden box
Productivity: 40000 ton per year
Transportation: Ocean,Land,Air
Place of Origin: Zhejiang,China
Supply Ability: 50000 ton per year
Certificate: ISO 9001:2008 ISO 14001:2008 TS 16949
HS Code: 7304191000
Port: Shanghai,Ningbo,Foshan
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
GB/T 21832 Austenitic-Ferritic (duplex) Grade Stainless Steel Welded Tubes and Pipes
Spec:
Material:329J3L 1.4462
Size Range:OD:4-1200mm
WT:0.3-200mm
General Length:3-12m
Tolerance:
According to the following tables or customers` request.
Mechanical Property
No. | Unified digital code | Steel Grade | Recommended heat treatment system | Tensile property | Hardness | ||||
Tensile strength Rm/(N/mm2) | Non proportional extension strength Rp0.2/(N/mm2) | Elongation | HBW | HRC | |||||
≥ | ≤ | ||||||||
1 | S21953 | 022Cr19Ni5Mo3Si2N | 980℃~1040℃ | Rapid cooling | 630 | 440 | 30 | 290 | 30 |
2 | S22253 | 022Cr22Ni5Mo3N | 1020℃~1100℃ | Rapid cooling | 620 | 450 | 25 | 290 | 30 |
3 | S22053 | 022Cr23Ni5Mo3N | 1020℃~1100℃ | Rapid cooling | 655 | 485 | 25 | 290 | 30 |
4 | S23043 | 022Cr23Ni4MoCuN | 925℃~1050℃ | Rapid cooling D≤25mm | 690 | 450 | 25 | - | - |
Rapid cooling D>25mm | 600 | 400 | 25 | 290 | 30 | ||||
5 | S22553 | 022Cr25Ni6Mo2N | 1050℃~1100℃ | Rapid cooling | 690 | 450 | 25 | 280 | - |
6 | S22583 | 022Cr25Ni7Mo3WCuN | 1020℃~1100℃ | Rapid cooling | 690 | 450 | 25 | 290 | 30 |
7 | S25554 | 03Cr25Ni6Mo3Cu2N | ≥1040℃ | Rapid cooling | 760 | 550 | 15 | 297 | 31 |
8 | S25073 | 022Cr25Ni7Mo4N | 1025℃~1125℃ | Rapid cooling | 800 | 500 | 15 | 300 | 32 |
9 | S27603 | 022Cr25Ni7Mo4WCuN | 1100℃~1140℃ | Rapid cooling | 750 | 550 | 25 | 300 | - |
No hardness required of the steel grade, only have to provide the measured data, not as the delivery conditions |
Steel Grade Reference Table
No. | China | USA | Japan | Europe | |
Unified digital code | Steel Gade | ASTM A790-05a | JIS G3463.2005 | EN 10217-7.2005 | |
1 | S21953 | 022Cr19Ni5Mo3Si2N | S31500 | - | - |
2 | S22253 | 022Cr22Ni5Mo3N | S31803 | SUS329J3LTB | X2CrNiMoN22-5-3 1.4462 |
3 | S22053 | 022Cr23Ni5Mo3N | S32205 | - | - |
4 | S23043 | 022Cr23Ni4MoCuN | S32304 | - | X2CrNiN23-4 1.4362 |
5 | S22553 | 022Cr25Ni6Mo2N | S31200 | - | - |
6 | S22583 | 022Cr25Ni7Mo3WCuN | S31260 | SUS329J4LTB | - |
7 | S25554 | 03Cr25Ni6Mo3Cu2N | S32550 | - | - |
8 | S25073 | 022Cr25Ni7Mo4N | S32750 | - | X2CrNiMoN25-7-4 1.4410 |
9 | S27603 | 022Cr25Ni7Mo4WCuN | S32760 | - | X2CrNiMoCuWN25-7-4 1.4501 |
Recommended heat treatment system and mechanical property of steel tube
Number | Steel grade | Recommended Heat treatment system | Tensile property | Hardness | ||||
Tensile strength Rm/(N/mm²) | Specifies the non-proportional extension strength Rp0.2/MPa | Elongation A/% | HBW | HRC | ||||
No less than | No more than | |||||||
1 | 022Cr19Ni5Mo3Si2N | 980℃~1040℃ | Quenching | 630 | 440 | 30 | 290 | 30 |
2 | 022Cr22Ni5Mo3N | 1020℃~1100℃ | Quenching | 620 | 450 | 25 | 290 | 30 |
3 | 022Cr23Ni5Mo3N | 1020℃~1100℃ | Quenching | 655 | 485 | 25 | 290 | 30 |
4 | 022Cr23Ni4MoCuN | 925℃~1050℃ | Quenching | 690 | 450 | 25 | 290 | 30 |
5 | 022Cr25Ni6Mo2N | 1050℃~1100℃ | Quenching | 600 | 400 | 25 | 280 | - |
6 | 022Cr25Ni7Mo3WCuN | 1020℃%~1100℃ | Quenching | 690 | 450 | 25 | 290 | 30 |
7 | 03Cr25Ni6Mo3Cu2N | ≥1040℃ | Quenching | 760 | 450 | 25 | 297 | - |
8 | 022Cr25Ni7Mo4N | 1025℃~1125℃ | Quenching | 800 | 550 | 15 | 300 | 32 |
9 | 022Cr25Ni7Mo4WCuN | 1100℃~1140℃ | Quenching | 750 | 550 | 25 | 300 | - |
Duplex stainless steel brand contrast table in different standards
Number | China | US | Japan | Europe |
Steel grade in this standard | ASTM A790-05a | JIS G3463:2006 | EN 10217-7:2005 | |
1 | 022Cr19Ni5Mo3Si2N | S31500 | - | - |
2 | 022Cr22Ni5Mo3N | S31803 | SUS329J3LTH | X2CrNiMoN22-5-3 1.4462 |
3 | 022Cr23Ni5Mo3N | S32205 | - | - |
4 | 022Cr23Ni4MoCuN | S32304 | | X2CrNiN234 1.4362 |
5 | 022Cr25Ni6Mo2N | S31200 | - | - |
6 | 022Cr25Ni7Mo3WCuN | S31260 | SUS329J4LTB | - |
7 | 03Cr25Ni6Mo3Cu2N | S32550 | - | - |
8 | 022Cr25Ni7Mo4N | S32750 | - | X2CrNiMoN25-7-4 1.4410 |
9 | 022Cr25Ni7Mo4WCuN | S32760 | - | X2CrNiMnCuWN25-7-4 1.4501 |
Producing Method:Single-sided or double-sided automatic arc welding
Technical Delivery Conditions:Pickled after heat treatment
Widely used in the field of/Application:Pressure equipment, liquid delivery and heat exchanger
Product Categories : Duplex Stainless Steel Pipes
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.