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Austenitic - Ferritic ( Duplex ) Grade Stainless Steel Welded Tubes / Pipes GB/T 21832

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Austenitic - Ferritic ( Duplex ) Grade Stainless Steel Welded Tubes / Pipes GB/T 21832

Name: Austenitic Ferritic Duplex Grade Stainless Steel Welded Tubes Pipes GBT 21832
Brand: TORICH
Price: 1 USD

Quality Austenitic - Ferritic ( Duplex ) Grade Stainless Steel Welded Tubes / Pipes GB/T 21832 for sale

Brand Name : TORICH

Model Number : GB/T 21832

Certification : ISO 9001 ISO 14001 TS 16949

Place of Origin : China

MOQ : 1 Ton

Price : negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 40000 Ton/Year

Delivery Time : 45 days

Packaging Details : Packing in wooden box，hexagonal bundles or other seaworthy ways.

Product Name : Austenitic-Ferritic (duplex) Grade Stainless Steel Welded Tubes and Pipes

Material : 329J3L 1.4462

Surface : Polished

Application : Pressure equipment, liquid delivery and heat exchanger

Shape : Round

OD : 4-1200mm

WT : 0.3-200mm

Length : 3-12m

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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 R_m/(N/mm²)	Non proportional extension strength R_p0.2/(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	-	-
4	S23043	022Cr23Ni4MoCuN	925℃~1050℃	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
No.	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
Number	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 Tags:

stainless tube steel

large diameter stainless steel tube

Austenitic - Ferritic ( Duplex ) Grade Stainless Steel Welded Tubes / Pipes GB/T 21832 Images

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