ASTM 312 High Precision Stainless Steel Welded Round Tube Pipes

• Customization: Available
• Type: Welded
• Technique: Arc Welding
• Model NO.: STW-2
• 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: ASTM A269 ,A312, A249 ,A554 ,A789,A790,A268
• Delivery Condition: Ba, Polish
• Steel Grade: 304, 304L, 316, 316L
• 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	Material Chemical Composition
	Grade	C	Si	Mn	P	S	Cr	Ni	Mo
ASTM A269 ASTM A312 ASTM A249 ASTM A554 GB/T 12770 ASTM A789 ASTM A790 ASTM A268	304	≤0.08	≤1.00	≤2.00	≤0.045	≤0.030	≤18.0-20.0	8.0-11
	304L	≤0.030	≤1.00	≤2.00	≤0.045	≤0.030	≤18.0-20.0	8.0-12
	SUS316	≤0.08	≤1.00	≤2.00	≤0.045	≤0.030	16.0~18.0	10.0~14.0	2~3
	SUS316L	≤0.03	≤1.00	≤2.00	≤0.045	≤0.030	16.0~18.0	10.0~15.0	2~3

Mechanical Performance
Steel Grade	YS(Mpa)	TS(Mpa)	EL(%)	HRB
ASTM A269 ASTM A312 ASTM A249 ASTM A554 GB/T 12770 ASTM A789 ASTM A790 ASTM A268	≥205	≥515	≥35	≤90
	≥170	≥485	≥35	≤90
	≥205	≥515	≥35	≤90
	≥170	≥485	≥35	≤90

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