GB/T 12770 Stainless Welded Electropolishing Steel Tube

• Customization: Available
• Type: Welded
• Technique: Arc Welding
• Model NO.: 304 304L 316 316L 321 410
• Material: Stainless Steel
• Surface Treatment: Ba, Polish
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Mining, Special Purpose
• Section Shape: Round
• Standard: JIS G3448
• Delivery Condition: Ba, Polish
• Steel Grade: SUS304 SUS304L SUS316 SUS316L SUS316ti SUS321 SUS4
• Certificate: ISO 9001 Ts16949
• Secondary or Not: Non-Secondary
• Application: Precision Application
• Transport Package: Bundles or Boxes
• Specification: OD0.1- 60mm
• Origin: China
• HS Code: 7306610000

Product Description

Detailed Photos

 

 

Standards

Standard	EN	GB/T	JIS	ASTM	BS	DIN
	10217-7	12770-2012 12771-2008	G3448 G3447 G3446 G3459 G3463 G3468	A269 A312 A249 A270 A554 A789 A790 A268	3059	17455
Steel Grade	1.4301	0Cr18Ni9	SUS304	304	304S31, X5CrNi18-10	X5CrNi18-10
	1.4307	00Cr19Ni10	SUS304L	304L	304S11, X2CrNi19-11	X2CrNi19-11
	1.4401	0Cr17Ni12Mo2	SUS316	316	316S31, X5CrNiMo 17-12-2	X5CrNiMo 17-12-2
	1.4404	00Cr17Ni14Mo2	SUS316L	316L	316S13, X2CrNiMo 18-4-3	X2CrNiMo 18-4-3
	1.4571	0Cr18Ni12Mo2Ti	SUS316Ti	316Ti	320S31, X6CrNiMoTi 17-12-2	X6CrNiMoTi 17-12-2
	1.4541	0Cr18Ni10Ti	SUS321	321	-	X6CrNiTi 18-10
	1.4011	1Cr13	SUS410	410	410S21	X10Cr13

 

Chemical and Mechanical Composition:

Steel Grade

C

Si

Mn

P

S

Cr

Ni

Mo

Ti

YS(Mpa)

TS(Mpa)

EL(%)

HRB

304

≤0.08

≤1.00

≤2.00

≤0.045

≤0.030

18.0-20.0

8.0-11.0

-

-

≥205

≥515

≥35

≤90

304L

≤0.03

≤1.00

≤2.00

≤0.045

≤0.030

18.0-20.0

8.0-12.0

-

-

≥170

≥485

≥35

≤90

316

≤0.08

≤1.00

≤2.00

≤0.045

≤0.030

16.0-18.0

10.0-14.0

2.0-3.0

-

≥205

≥515

≥35

≤90

316L

≤0.03

≤1.00

≤2.00

≤0.045

≤0.030

16.0-18.0

10.0-15.0

2.0-3.0

-

≥170

≥485

≥35

≤90

316Ti

≤0.08

≤1.00

≤2.00

≤0.035

≤0.030

16.0-19.0

10.0-14.0

1.80-2.50

0.20-0.70

≥205

≥520

≥40

≤90

321

≤0.08

≤1.00

≤2.00

≤0.045

≤0.030

17.0-19.0

9.0-12.0

-

0.50-0.70

≥205

≥515

≥40

≤95

410

≤0.15

≤1.00

≤1.00

≤0.035

≤0.030

11.50-14.50

-

-

-

≥205

≥440

≥20

≤201

 

Chemical and Mechanical Composition:
Steel Grade	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	Ra0.2	TS(Mpa)	EL(%)
1.4301	≤0.07	≤1.00	≤2.00	≤0.040	≤0.015	17.0-19.5	8.0-10.0	-	-	195	500-700	40
1.4307	≤0.03	≤1.00	≤2.00	≤0.040	≤0.015	17.5-19.5	8.0-10.5	-	-	180	460-680	40
1.4401	≤0.07	≤1.00	≤2.00	≤0.040	≤0.015	16.5-18.5	10.0-13.0	2.0-2.5	-	205	510-710	40
1.4404	≤0.03	≤1.00	≤2.00	≤0.040	≤0.015	16.5-18.5	10.0-13.0	2.0-2.5	-	190	490-690	40
1.4571	≤0.08	≤1.00	≤2.00	≤0.040	≤0.015	16.5-18.5	10.5-13.5	2.0-2.5	5C-0.7	210	500-730	35

Advantage: Sophisticated bright annealing technology makes the tube good mechanical performance,the tube can be

flared,flatten,bent freely.

OD: 0.1mm-60mm
WT: 0.05mm- 50mm

Tolerance:
OD +/-0.05mm
ID +/-0.05mm
Other sizes, grades and special tolerance available upon request

Applications

Surface condition:	Bright Annealed Polished Annealed&Pickled Bright Annealed+Fine polishing Electropolishing
Delivery Status:	1.In coil 2.Long length straight pieces as per customer's requirements 3.Short length pieces(directly used by customer for making parts)
Application:	Electric heater fields like metal tube heater,hot runner,thermostat,heating apparatus,air conditioning,refrigerators and other household appliances,heating etc. Food and beverage,petroleum chemical industry,heat exchanger,condenser,marine environment,paper making,chemical fertilizer,instrumentation,medical,Automotive engineering,aerospace,pipe structure,priting textile and etc.

Manufacture Process

 

Company Profile

 

Chewit International

Chewit international Located in zhangjiagang city which is along The Yangtze Golden Channel the junction of River and Coast Economic Belt. It owns an excellent geographic position, as it is close to Nanjing city in the north, adjacent to Suzhou and Wuxi cities in the south, next to Shanghai international city in the east. Zhangjiagang international port and State highway endow us a convenient water and land transportation which links us to the outside world both home and aboard. Chewit International is one group company with two manufactures one is producing steel forgings for Marine, Power, Boiler, Ocean, Oil, Petrochemical, Mechanical and Hydraulic fields and the other is producing precision steel tubes for automotive industry and hydraulic system and also one semi-independent company specially for import and export business. We have a total area of 150000 square meters with the employees over 200 people. All the products well produced by our mills need to be double inspected by chewit professional quality controller and then we will offer our customer the vivid report for the tested items. Only those products which are inspected well can be allowed to delivery to our customers. By the means of strict inspection, we wined a lot of customer for long term business both home and abroad. We adhere to our company tenet Customer First, Quality formost and always try our best to serve our customer with our full heart.

 

Packaging & Shipping