Name: GB/T24593 12Cr18Ni9 06Cr18Ni11Ti 304 / 316Welded Stainless Steel Tube OD 3-500mm
Brand: TORICH INTERNATIONAL LIMITED
SKU: GB/T 24593
Price: 2,999.10 USD
Availability: InStock

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GB/T24593 12Cr18Ni9 06Cr18Ni11Ti 304 / 316Welded Stainless Steel Tube OD 3-500mm

stainless tube steel

large diameter stainless steel tube

Place of Origin:

China

Brand Name:

TORICH

Certification:

ISO9001:2008,ISO14001:2008

Model Number:

GB/T 24593

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Product Details

Material:

Stainless Steel 201/304/316

Grade:

S30210 S30408 S30403 S31008

Surface:

Pickling

Technique:

Cold Rolled Cold Drawn

OD:

3-500mm

WT:

0.5-50mm

Highlight:

stainless tube steel

large diameter stainless steel tube

Payment & Shipping Terms

Minimum Order Quantity

5 ton

Price

negotiable

Packaging Details

in seaworthy packing

Delivery Time

35-40 work days

Payment Terms

L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability

20000 Ton per year

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Product Description

Product Name: GB/T24593 12Cr18Ni9 06Cr18Ni11Ti 304/316Welded austenitic boiler and heat-exchanger Stainless Steel Pipes

Size range: O.D.:3-500mm W.T.:0.5-50mm L:2000-12000mm according to customers' actual application and production.

Application : For boiler and heat-exchanger

Steel Grade: 12Cr18Ni9,06Cr19Ni10,022Cr19Ni10,06Cr25Ni20,022Cr22Ni5Mo3N,019Cr19Mo2NbTi,06Cr13Al

Characteristic:

Good concentricity

Good surface quality

Good OD and ID tolerance

High Precision

Stable quality

Smooth Roughness

TORICH QUALITY ASSURANCE

Table1Tolerance of OD

Classification	Nominal OD	Permissible Tolerance
Classification	Nominal OD	PC	PB	PA
H T	＜25	±0.20	±0.15	±0.10
	≥25~＜40	±0.30	±0.25	±0.20
	≥40~＜63	±0.50	±0.30	±0.25
	≥63~＜90	±0.60	±0.50	±0.40
	≥90~＜159	±0.80	±0.65	±0.50
	≥159~＜300	±0.8%D	±0.7%D	±0.5%D
	≥300~＜610	±0.1%D	±0.8%D	±0.6%D
	≥10	protocol	protocol	protocol
WC SP	＜25	±0.15	±0.12	±0.10
	≥25~＜40	±0.20	±0.15	±0.13
	≥40~＜50	±0.20	±0.18	±0.15
	≥50~＜60	±0.25	±0.20	±0.18
	≥60~＜90	±0.30	±0.28	±0.25
	≥90~＜100	±0.40	±0.35	±0.30
	≥100~＜200	±0.5%D	±0.4%D	protocol
	≥200	protocol	protocol	protocol

Table 2Tolerance of WT

Nominal WT	Permissible Tolerance
＜0.5	±0..10
≥0.5~1.0	±0.15
＞1.0~2.0	±0.20
＞2.0~＜4.0	±0.30
≥4.0	±10%S

Table 3 Bending Degree

Nominal Wall Thickness/mm	Bending Degree/(mm/m)
≤108	≤1.0
＞108~325	≤1.5
＞325	≤2.5

Table 3 chemical composition

Steel grade	Chemical compositon %
Steel grade	C	Si	Mn	P	S	Ni	Cr	Mo	N
12Cr18Ni9	0.15	1.00	2.00	0.035	0.03	8.00~10.00	17.00 ~19.00	—	0.10
06Cr18Ni10	0.08	1.00	2.00	0.035	0.03	8.00~11.00	18.00 ~20.00	—	—
022Cr19Ni10	0.030	1.00	2.00	0.035	0.03	8.00~12.00	18.00 ~20.00	—	—
07Cr19Ni10	0.04~0.10	1.00	2.00	0.035	0.03	8.00~11.00	18.00 ~20.00	—	—
06Cr19Ni10N	0.08	1.00	2.00	0.035	0.03	8.00~11.00	18.00 ~20.00	—	0.10 ~0.16
022Cr19Ni10N	0.030	1.00	2.00	0.035	0.03	8.00~11.00	18.00 ~20.00	—	0.10 ~0.16
10Cr18Ni12	0.12	1.00	2.00	0.035	0.03	10.50~13.00	18.00 ~20.00	—	—
06Cr23Ni13	0.08	1.00	2.00	0.035	0.03	12.00~15.00	17.00 ~19.00	—	—
03Cr25Ni20	0.08	1.00	2.00	0.035	0.03	19.00~22.00	22.00 ~24.00	—	—
06Cr17Ni12Mo2	0.08	1.00	2.00	0.035	0.03	10.00~14.00	24.00 ~26.00	2.00 ~3.00	—
022Cr17Ni12Mo2	0.030	1.00	2.00	0.035	0.03	10.00~14.00	16.00 ~18.00	2.00 ~3.00	—
06Cr17Ni12Mo2Ti	0.08	1.00	2.00	0.035	0.03	10.00~14.00	16.00 18.00	2.00 ~3.00	—
06Cr17Ni12MoN	0.08	1.00	2.00	0.035	0.03	10.00~13.00	16.00 ~18.00	2.00 ~3.00	0.10 ~0.16
022Cr17Ni12Mo2N	0.030	1.00	2.00	0.035	0.03	10.00~13.00	16.00 ~18.00	2.00 ~3.00	0.10 ~0.16
06Cr19Ni13Mo3	0.08	1.00	2.00	0.035	0.03	11.00~15.00	16.00 ~18.00	3.00 ~4.00	—

Table 4 Mechanical Property

No.	No.in GB/T20878	Unified digital code	STEEL GRADE	Recommended heat treatment system	Tensile property		Hardness
					tensile strength R_m/(N/MM²)	Stipulated elongation strength of plastic mold R_p0.2/(N/mm²)	Elongation A/％	HRB
					≥		≤
1	13	S30210	12Cr18Ni9	≥1040℃.Rapid cooling	515	205	35	90
2	17	S30408	06Cr19Ni10	≥1040℃.Rapid cooling	515	205	35	90
3	18	S30409	022Cr19Ni10	≥1040℃.Rapid cooling	485	170	35	90
4	19	S30458	07Cr19Ni10	≥1040℃.Rapid cooling	515	205	35	90
5	23	S30458	06Cr19Ni10N	≥1040℃.Rapid cooling	550	240	35	90
6	25	S30453	022Cr19Ni10N	≥1040℃.Rapid cooling	515	205	35	90
7	26	S30510	10Cr18Ni12	≥1040℃.Rapid cooling	515	205	35	90
8	32	S30908	06Cr23Ni13	≥1040℃.Rapid cooling	515	205	35	90
9	35	S31008	06Cr23Ni20	≥1040℃.Rapid cooling	515	205	35	90
10	38	S31608	06Cr17Ni12Mo2	≥1040℃.Rapid cooling	515	205	35	90
11	39	S31603	022Cr17Ni12Mo2	≥1040℃.Rapid cooling	485	170	35	90
12	41	S31668	06Cr17Ni12Mo2Ti	≥1040℃.Rapid cooling	515	205	35	90
13	43	S31658	06Cr17Ni12Mo2N	≥1040℃.Rapid cooling	550	240	35	90
14	44	S31653	022Cr17Ni12Mo2N	≥1040℃.Rapid cooling	515	205	35	90
15	49	S31708	06Cr19Ni13Mo3	≥1040℃.Rapid cooling	515	205	35	90
16	50	S31703	022Cr19Ni13Mo3	≥1040℃.Rapid cooling	515	205	35	90
17	55	S32168	06Cr18Ni11Ti	≥1040℃.Rapid cooling	515	205	35	90
18	62	S34778	06Cr18Ni11Nb	≥1040℃.Rapid cooling	515	205	35	90
19	63	S34779	07Cr18Ni11Nb	≥1040℃.Rapid cooling	515	205	35	90

Table 5 Inspection items and sampling quantity

Inspection items	sampling quantity
Chemical composition	Each furnace Take one sample
Tensile test	One sample for each batch on two test tubes
Hardness test	One sample for each batch on two test tubes
Flattening test	One sample for each batch on two test tubes
Coiling test	One sample for each batch on two test tubes
Expansion test	One sample for each batch on two test tubes
Reversed bending test	One sample at every 450M of tubes
longitudinal flattenin test	One sample for each batch on two test tubes
Hydraulic test	Per piece
Eddy current flaw detection	Per piece
Intergranular corrosion test	One sample for each batch on two test tubes
Grain size test	One sample for each batch on two test tubes
Ray detection	Per piece
Underwater air tightness test	Per piece

GB/T24593 12Cr18Ni9 06Cr18Ni11Ti 304 / 316Welded Stainless Steel Tube OD 3-500mm 0

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GB/T24593 12Cr18Ni9 06Cr18Ni11Ti 304 / 316Welded Stainless Steel Tube OD 3-500mm

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