A312 304 304L 316 316L 321 Stainless Steel Pipe Welded Seamless Tube

• After-sales Service: 18 Months
• Warranty: 18 Months
• Type: Welded
• Technique: TIG
• Material: Stainless Steel
• Surface Treatment: Polished
• Model NO.: DSP-012
• Usage: Pipeline Transport, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration
• Section Shape: Round
• Wall Thickness: 0.5 - 30 mm
• Standard: ASTM A312, ASME SA312
• En Steel: 1.4301, 1.4307, 1.4401, 1.4404, 1.4541, 1.4571
• ASTM/AISI: 304, 304, 316, 316L 321
• Types: Welded & Seamless
• Surface Condition: Ba, Annealing Pickling, Polishing
• Application: Water Trasportation
• Certificates: ISO9001:2015, PED
• Thickness: Sch3s, 10s, 40s, 80s
• Transport Package: Wooden Box
• Specification: 6 - 610.4 mm
• Trademark: DINGSHANG
• Origin: China
• HS Code: 7306400000
• Production Capacity: 7000 Ton/Year

Product Description

A312 304 304L 316 316L 321 Stainless Steel Pipe Welded Seamless Tube

ISO9001:2015 and PED 2014/68/EU certified manufacturer

Product Description
 

Material	Stainless Steel 304/304L/316L
Shape	Round Tubes
Production Standards	EN10312, ASTM A270, ASTM A269, ASTM A249, ASTM A312, ASTM A789, DIN 11850, EN 10357, EN 10217-7 and so on.
Outer Diameter	16mm - 2000mm ;
Thickness	0.8mm - 20 mm ;
Length	6 Meters - 20 Meters ; As customers' request ;
Tolerance	According to the Standard , +/-10% Commonly ;
Surface Treatment	Annealing pickling, Bright Annealed, Polishing finish
Application	Petrochemical Industry; Chemical Fertilizer Industry; Oil Refining Industry; Oil And Gas Industry; Light Industry And Food Industry; Pulp And Paper Industry; Energy And Environmental Industries.
Test	Flaring test; Flattening test; Bending Test; Hydraulic Test; Eddy Current test
Design	OEM / ODM / Customized
Certificate	ISO9001 ; ISO14001; PED.

 

 

 

Stainless Steel Chemical Composition Chart:

AISI ASTM	EN DIN	C % Max	Mn % Max	Si % Max	S % Max	P % Max	Cr % Max	Ni % Max	Mo % Max	Others %
304	1.4301	0.08	2.00	1.00	0.030	0.045	18.00-20.00	8.00-11.00	-	-
304HC	-	0.05	2.00	1.00	0.030	0.045	18.00-20.00	8.50-9.50	-	Cu : 2.00-2.50
304L	1.4306	0.03	2.00	1.00	0.030	0.045	18.00-20.00	8.00-12.00	-	-
308LER	1.4331	0.02	1.5-2.0	0.50	0.020	0.025	19.00-21.00	9.50-11.00	-	-
309LER	1.4332	0.03	1.5-2.0	0.50	0.015	0.020	23.00-25.00	12.00-14.00	-	-
310	1.4841	0.25	2.00	1.50	0.030	0.045	24.00-26.00	19.00-22.00	-	-
310	1.4841	0.25	2.00	1.50	0.030	0.045	24.00-26.00	19.00-22.00	-	-
310S	1.4842	0.08	2.00	1.50	0.030	0.045	24.00-26.00	19.00-22.00	-	-
316	1.4401	0.08	2.00	1.00	0.030	0.045	16.00-18.00	10.00-14.00	2.00-3.00	-
316L	1.4404	0.03	2.00	1.00	0.030	0.045	16.00-18.00	10.00-14.00	2.00-3.00	-
316LER	1.4430	0.02	1.5-2.0	0.50	0.020	0.020	18.00-20..00	12.00-14.00	2.00-2.75	-
316Ti	0.08	2.00	1.00	0.030	0.045	16.00-18.00	10.00-14.00	2.00-3.00	Ti : Min (5xC%)
317LN	1.4438	0.03	2.00	1.00	0.030	0.045	18.00-20.00	11.00-15.00	3.00-4.00	N : 0.10-0.22
321	1.4541	0.08	2.00	1.00	0.030	0.045	17.00-19.00	9.00-12.00	-	Ti : Min (5xC%)
410	1.4006	0.15	1.00	1.00	0.030	0.040	11.50-13.50	-	-	-
416	1.4005	0.15	1.25	1.00	0.15 Min	0.060	12.00-14.00	-	-	-
416XM	-	0.15	1.25	1.00	030-0.33	0.060	12.00-14.00	-	-	-
420	1.4021	0.15 Min	1.00	1.00	0.030	0.040	12.00-14.00	-	-	-
430	1.4016	0.12	1.00	1.00	0.030	0.040	16.00-18.00	-	-	-
430L	-	0.03	1.00	1.00	0.030	0.040	16.00-18.00	-	-	-
430F	1.4104	0.12	1.25	1.00	0.15 Min	0.060	16.00-18.00	-	-	-
431	1.4057	0.20	1.00	1.00	0.030	0.040	15.00-17.00	1.25-2.50	-	-

Factory Workshop & Production Lines



Quality and Tests



Certificates

 

Company Introduction

Huzhou Dingshang stainless steel Co., Ltd. is located in Huzhou city Zhejiang Province, about one hour to Jiangsu, Shanghai and Hangzhou.

DINGSHANG is professional 

China Stainless Steel Pipe Manufacturer and Stainless Steel Tube Suppliers

, the company is specializing in industrial stainless steel welded tubes and special alloys tubes, with an annual production capacity of up to 7,000 tons.

The tubes are produced to conform to GB, ASTM/ASME, JIS, DIN, EN, GOST and ISO standards.


Some special requirements from clients can also be met. Due to excellent technicians, advanced production equipment, satisfactory inspection and testing equipment and perfect quality assurance system,

DINGSHANG has got quality management system ISO9001, EU pressure equipment directive PED and AD2000 all issued by the Lloyd's, and also a Chinese national special equipment manufacturing license (TS certificate).

DINGSHANG upholds the business philosophy of improvement, trustworthiness and co-win. Based on reliable quality tubes and prompt replies, DINGSHANG's materials have been sold nationwide and exported to more than 20 countries including main economies around the world.

EN10312 1.4301 1.4307 1.4401 1.4404 Water Tube Pipe