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Seamless Stainless Steel pipes for fliuid transport

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Payment Type:

L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm:

FOB,CFR,CIF,FCA,CPT

Min. Order:

0.5 Ton

Transportation:

Ocean,Land,Air

Port:

Shanghai,Ningbo

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Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

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Overview

Product Attributes

Model No.: GB/T14976

Brand: Torich

Type: Seamless

Certification: UL

Application: Fluid Pipe

Section Shape: Round

Surface Treatment: Polished

Usage: Construction & Decoration

Technique: Hot Rolled

Material: 200 Series/300 Series/400series

Finish: Heat Treatment

Shape: Round Section

Surface: Pickling

OD: 3-420mm

Product Name: ASTM A269 A312 Seamless Stainless Steel Pipes For Fliuid Transport

Grade: 201/202/304 /304L/316/316L321/310s/410/420/430/440/439ect

Length: Customers' Request

Supply Ability & Additional Information

Packaging: packing in wooden boxes or in hexagonal bundles

Productivity: 20000 Tons per Year

Transportation: Ocean,Land,Air

Place of Origin: Zhejiang, China (Mainland)

Supply Ability: 60000 Ton per year

Certificate: ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API

HS Code: 7306301100

Port: Shanghai,Ningbo

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm: FOB,CFR,CIF,FCA,CPT

Packaging & Delivery

Selling Units:: Ton

Package Type:: packing in wooden boxes or in hexagonal bundles

China Stainless Steel Tube manufacturers, our Stainless Steel Exhaust Tube, Welded Steel Tube, Round Stainless Steel Pipe, Polish Stainless Steel Tube, Stainless Coiled Tube, Duplex Stainless Steel Tube are good in quality and competitive in price.

Product Name:TORICH GB/T14976 ASTM A269 A312 Seamless Stainless Steel pipes for fliuid transport

Standard: GB/T14976 ASTM A269 A312

OD: 3-420mm

WT: 0.5-50mm

Length: 1-12m or according to customers' actual application and production.

Application:for fliuid transport

Steel Grade:201/202/304 /304L/316/316L321/310s/410/420/430/440/439ect

Technology:Cold Rolled Hot Rolled Cold Drawn

Characteristic:

Good concentricity

Good surface quality

Good OD and ID tolerance

High Precision

Stable quality

Smooth Roughness

TORICH QUALITY ASSURANCE

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