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Custom Seamless Stainless Steel Pipes For Fluid Transportation GB/T 14976

Name: Custom Seamless Stainless Steel Pipes For Fluid Transportation GBT 14976
Brand: TORICH
Price: 1 USD

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Brand Name :	TORICH
Model Number :	GB/T 14976
Certification :	ISO 9001 ISO 14001 TS 16949
Price :	negotiable
Payment Terms :	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :	40000 Ton/Year
Delivery Time :	45 days

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Custom Seamless Stainless Steel Pipes For Fluid Transportation GB/T 14976

Seamless Stainless Steel Pipes for Fluid Transportation GB/T 14976

Spec:
Material:
Size Range:OD:4-1200mm
WT:0.3-200mm
General Length:1-12m
Tolerance:
According to the following tables or customers’ request.

Table 1 The Tolerance of Outer Diameter and Wall Thickness Unit:mm

Hot rolling(extrusion,expansion) steel tube				Cold drawn(rolling)steel tube
Diamension		Tolerance		Diamension		Tolerance
		Ordinary Grade PA	High Grade PC			Ordinary Grade PA	High Grade PC
Nominal Outer Diameter D	68~159	±1.25%D	±1%D	Nominal Outer Diameter D	6~10	±0.20	±0.15
					＞10~30	±0.30	±0.20
					＞30~50	±0.40	±0.30
					＞50~219	±0.85%D	±0.75%D
	＞159	±1.5%D			＞219	±0.9%D	±0.8%D
Nominal Wall Thickness S	＜15	+15%S -12.5%S	±12.5%S	Nominal Wall Thickness S	≤3	±12%S	±10%S
	≥15	+20%S -15%S			＞3	+12.5%S -10%S	±10%S

Table2 The Tolerance of Minimum Wall Thickness Unit:mm

Manufacturing Method	Diamension	Tolerance
		Ordinary Grade PA	High Grade PC
Hot rolling(extrusion,expansion) steel tube W-H	S_min＜15	+25%S_min 0	+22.5%S_min 0
	S_min≥15	+32.5%S_min 0
Cold drawn(rolling)steel tube W-C	All Wall Tickness	+22%S_min 0	+20%S_min 0

Table 3 Grade and Chemical Component

No.	GB/T 20878		Grade		Chemical Component(Quality Fraction)/%
No.	No.	Unified Digital Code	Grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu	N	Others
1	13	S30210	12Cr18Ni9	0.15	1.00	2.00	0.035	0.030	8.00~10.00	17.00~19.00	-	-	0.10	-
2	17	S30408	06Cr19Ni10	0.08	1.00	2.00	0.035	0.030	8.00~11.00	18.00~20.00	-	-	-	-
3	18	S30403	022Cr19Ni10	0.030	1.00	2.00	0.035	0.030	8.00~12.00	18.00~20.00	-	-	-	-
4	23	S30458	06Cr19Ni10N	0.08	1.00	2.00	0.035	0.030	8.00~11.00	18.00~20.00	-	-	0.10~0.16	-
5	24	S30478	06Cr19Ni9NbN	0.030	1.00	2.50	0.035	0.030	7.50~10.50	18.00~20.00	-	-	0.15~0.30	Nb:0.15
6	25	S30453	022Cr19Ni10N	0.08	1.00	2.00	0.035	0.030	8.00~11.00	18.00~20.00	-	-	0.10~0.16	-
7	32	S30908	06Cr23Ni13	0.030	1.00	2.00	0.035	0.030	12.00~15.00	22.00~24.00	-	-	-	-
8	35	S31008	06Cr25Ni20	0.08	1.50	2.00	0.035	0.030	19.00~22.00	24.0~26.00	-	-	-	-
9	38	S31608	06Cr17Ni12Mo2	0.08	1.00	2.00	0.035	0.030	10.00~14.00	16.00~18.00	2.00~3.00	-	-	-
10	39	S31603	022Cr17Ni12Mo2	0.030	1.00	2.00	0.035	0.030	10.00~14.00	16.00~18.00	2.00~3.00	-	-	-
11	40	S31609	07Cr17Ni12Mo2	0.04~0.10	1.00	2.00	0.035	0.030	10.00~14.00	16.00~18.00	2.00~3.00	-	-	-
12	41	S31668	06Cr17Ni12Mo2Ti	0.08	1.00	2.00	0.035	0.030	10.00~14.00	16.00~18.00	2.00~3.00	-	-	Ti:5C~0.70

Table 4 Recommended Heat Treatment System,Steel Tube Mechanical Properties and Density

Organization type	No.	GB/T 20878		Grade	Recommended Heat Treatment System	Mechanical Properties			Density ρ/(kg/dm²)
		No.	Unified digital code			Tensile strength R_m/MPa	Specified plastic elongation strength R_p0.2/MPa	Percentage elongation after fracture A/%
		No.	Unified digital code			Not less than
Austenitic	1	13	S30210	12Cr18Ni9	1010℃~1150℃,cold or otherwise	520	205	35	7.93
	2	17	S30408	06Cr19Ni10	1010℃~1150℃,cold or otherwise	520	205	35	7.93
	3	18	S30403	022Cr19Ni10	1010℃~1150℃,cold or otherwise	480	175	35	7.90
	4	23	S30458	06Cr19Ni10N	1010℃~1150℃,cold or otherwise	550	275	35	7.93
	5	24	S30478	06Cr19Ni9NbN	1010℃~1150℃,cold or otherwise	685	345	35	7.98
	6	25	S30453	022Cr19Ni10N	1010℃~1150℃,cold or otherwise	550	245	40	7.93
	7	32	S30908	06Cr23Ni13	1010℃~1150℃,cold or otherwise	520	205	40	7.98
	8	35	S31008	06Cr25Ni20	1010℃~1150℃,cold or otherwise	520	205	40	7.98
	9	38	S31608	06Cr17Ni12Mo2	1010℃~1150℃,cold or otherwise	520	205	35	8.00
	10	39	S31603	022Cr17Ni12Mo2	1010℃~1150℃,cold or otherwise	480	175	35	8.00
	11	40	S31609	07Cr17Ni12Mo2	≥1040℃,cold or otherwise	515	205	35	7.98
	12	41	S31668	06Cr17Ni12Mo2Ti	1000℃~1100℃,cold or otherwise	530	205	35	7.90

Table 5 Steel tube Inspection Item,Test Method and Sampling Quantity

No.	Inspection Item	Sampling Quantity	Sampling Method	Test Method
1	Chemical Component	Take a sample of each furance	GB/T 20066	GB/T 223,GB/T 11170,GB/T20123,GB/T 20124
2	Tensile Test	Take a sample between two steel tubes of each batch	GB/T 2975	GB/T 228.1
3	Flattening Test	Take a sample between two steel tubes of each batch	GB/T 246	GB/T 246
4	Flaring Test	Take a sample between two steel tubes of each batch	GB/T 242	GB/T 242
5	Hydraulic Test	Each piece	-	GB/T 241
6	Ultrasonic Test	Each piece	-	GB/T 5777-2008
7	Eddy Test	Each piece	-	GB/T 7735-2004
8	Intercrystalline corrosion test	Take a sample between two steel tubes of each batch	GB/T 4334-2008	GB/T 4334-2008

Table A.1 Stainless Steel Grade Comparison

No.	GB/T 20878-2007		ASTM A 959-09	JIS G4303-2005 JIS G 4311-1991	ISO/TS 15510:2003 ISO 4955:2005	EN 10088:1-2005	ΓOCT 5632-1972
No.	Unified Digital Code	Grade	ASTM A 959-09	JIS G4303-2005 JIS G 4311-1991	ISO/TS 15510:2003 ISO 4955:2005	EN 10088:1-2005	ΓOCT 5632-1972
1	S30210	12Cr18Ni9	S30200,302	SUS302	X10CrNi18-8	X10CrNi18-8,1.4310	12X18H9
2	S30408	06Cr19Ni10	S30400,304	SUS304	X5CrNi18-9	X5CrNi18-10,1.4301	-
3	S30403	022Cr19Ni10	S30403,304L	SUS304L	X2CrNi19-11	X2CrNi19-11,1.4306	03X18H11
4	S30458	06Cr19Ni10N	S30451,304N	SUS304N1	X5CrNiN18-8	X5CrNiN19-9,1.4315	-
5	S30478	06Cr19Ni9NbN	S30452,XM-21	SUS304N2	-	-	-
6	S30453	022Cr19Ni10N	S30453,304LN	SUS304LN	X2CrNiN18-9	X2CrNiN18-10,1.4311	-
7	S30908	06Cr23Ni13	S30908,309S	SUS309S	X12CrNi23-13	X12CrNi23-13,1.4833	-
8	S31008	06Cr25Ni20	S31008,310S	SUS310S	X8CrNi25-21	X8CrNi25-21,1.4845	10X23H18
9	S31608	06Cr17Ni12Mo2	S31600,316	SUS316	X5CrNiMo17-12-2	X5CrNiMo17-12-2,1.4401	-
10	S31603	022Cr17Ni12Mo2	S31603,316L	SUS316L	X2CrNiMo17-12-2	X2CrNiMo17-12-2,1.4404	03X17H14M3
11	S31609	07Cr17Ni12Mo2	S31609,316H	-	-	X3CrNiMo17-13-3,1.4436	-
12	S31668	06Cr17Ni12Mo2Ti	S31635,316Ti	SUS316Ti	X6CrNiMoTi17-12-2	X6CrNiMoTi17-12-2,1.4571	08X17H13M2T

Processing:W-H,W-C

Technical Delivery Conditions:Heat treatment and pickling or protective atmosphere heat treatment

Widely used in the field of:Fluid trasport

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Custom Seamless Stainless Steel Pipes For Fluid Transportation GB/T 14976

Custom Seamless Stainless Steel Pipes For Fluid Transportation GB/T 14976

Custom Seamless Stainless Steel Pipes For Fluid Transportation GB/T 14976

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Custom Seamless Stainless Steel Pipes For Fluid Transportation GB/T 14976

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