ASTM A312 A778 SUS 304 316 304L 316L Welded Seamless Stainless Steel Pipe

• Type: Stainless Steel Pipes
• Standard: ASTM, AISI, GB, JIS, DIN, EN
• Grade: 300 Series
• Certification: ISO, RoHS, AISI, ASTM, GB, EN, DIN, JIS
• Shape: Round
• Technique: Welded
• Surface Treatment: Pickling
• Welding Bead: Removed
• Quality: High
• Mechanical Property: Good
• Intergranular Corrosion: Qualified
• Transport Package: in Bundles/Plywwod Case
• Specification: 89*3.0*6mmm
• Trademark: DINGSHANG
• Origin: China
• HS Code: 7306110000
• Production Capacity: 400 Tons/Month

Product Description

ASTM A312 A778 SUS 304 316 304L 316L Welded Seamless Stainless Steel Pipe

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

Product Description
 

Material	Stainless Steel 304/304L/316L
Shape	Round Tubes
Production Standards	ASTM A270, ASTM A269, ASTM A312, ASTM A778, ASTM A789, DIN 11850, EN 10357, EN 10217-7 and so on.
Outer Diameter	16mm - 2000mm ;
Thickness	0.8mm - 20 mm ;
Max Length	3000 Meters; As per customers' request ;
Tolerance	According to the Standard, +/-10% Commonly ;
Surface Treatment	Bright Annealed (BA)
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 Pipe Tolerances
 

Stainless Steel Heat Exchanger Tube Tolerances
Standard	OD(mm)	WT(mm)	Length(meters)	Grade
ASTM A249, ASTM A269,  EN 10217-7	15.88 to 114.3	0.3 to 4.0	Up to 18.3 meter	1.4301, 1.4306, 1.4404,  AISI 304/304l/316l,  S31803/S32205, etc
Standard	Outside Diameter		Thickness	Length
ASTM A249 (A1016)	<25.4	±0.10	±10%S	OD<50.8+3-0 OD≥50.8+5-0
	≥25.4~<38.1	±0.15
	≥38.1~<50.8	±0.20
	≥50.8~<63.5	±0.25
	≥63.5~<76.2	±0.31
ASTM A269 (A1016)	<38.1	±0.13	OD<12.7±15%  OD≥12.7±10%	OD<38.1+3.2-0 OD≥38.1+4.8-0

Factory Workshop & Production Lines




Quality and Tests



Certificates


Stainless Steel Grades

200series:201,202, etc
300series:301,302,303,304,304L,309,309s,310,310S,316,316L,316Ti,317L,321,347
400series:409,409L,410,420,430,431,439,440,441,444
Others:2205,2507,2906,330,660,630,631,17-4ph,17-7ph, S318039 904L,etc
Duplex stainless steel:S22053,S25073,S22253,S31803,S32205,S32304
Special Stainless Steel:904L,347/347H,317/317L,316Ti,254Mo

304/304L/316L Stainless Steel chemical composition and Mechanical properties

Chemical Composition	Tensile Strength	Yield Strength	Elongation	Hardness HRB
Grade 304 Stainless Steel (100% & MPA)
C≤0.08, Mn≤2, P≤0.045, S≤0.03, Si≤0.75, 8≤Ni≤10.5, 18≤Cr≤20	≥515	≥205	≥40	≤92
Grade 304L Stainless Steel (100% & MPA)
C≤0.03, Mn≤2, P≤0.045, S≤0.03, Si≤0.75, 8≤Ni≤12, 18≤Cr≤20	≥485	≥170	≥40	≤92
Grade 316L Stainless Steel (100% & MPA)
C≤0.03, Mn≤2, P≤0.045, S≤0.03, Si≤0.75, 10≤Ni≤14, 16≤Cr≤18	≥485	≥170	≥40	≤95

Stainless Steel Mechanical Properties:
 

Stainless Steel Mechanical Properties
Grade		Tensile Strength	Yide Strength	Elogation	Hardness	Solution Annealing
		kgf/mm²(N/mm²)	kgf/mm²(N/mm²)	%	HRB(HV)	ºC
ASTM	TP 304	≥53 (515)	≥21 (205)	≥35	≤90 (200)	1040ºC-1150ºC  Water Quenching
	TP 304L	≥50 (485)	≥17 (170)
	TP 316	≥53 (515)	≥21 (205)
	TP 316L	≥50 (485)	≥17 (170)
JIS	SUS 304	≥53 (520)	≥21 (205)			1010ºC-1150ºC  Water Quenching
	SUS 304L	≥49 (480)	≥18 (175)
	SUS 316	≥53 (520)	≥21 (205)
	SUS 316L	≥49 (480)	≥18 (175)
GB	06Cr19Ni10	≥53 (520)	≥21 (210)			1010ºC-1150ºC  Water Quenching
	022Cr19Ni10	≥49 (480)	≥18 (180)
	06Cr17Ni12Mo2	≥53 (520)	≥21 (210)
	022Cr17Ni12Mo2	≥59 (480)	≥18 (180)
EN	1.4301	(500-700)	≥20 (195)	≥40		1000ºC-1100ºC  Water Quenching
	1.4307	(470-670)	≥18 (180)
	1.4401	(510-710)	≥21 (205)			1020ºC-1120ºC  Water Quenching
	1.4404	(490-690)	≥19 (195)

Company Capacity

DINGSHANG is professional 

China Stainless Steel Pipe Manufacturer and Stainless Steel Tube Suppliers, with an annual production capacity of up to 7,000 tons.

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

DINGSHANG has got quality management system ISO9001, EU pressure equipment directive PED and AD2000 all issued by Lloyd's, and also the Production License Of Special Equipment People's Republic China (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.

Advantage:

1. Professional
We are a professional manufacturer of stainless steel pipe and over 15 years of production experience.

2. High Quality
We possess advanced production equipment, testing equipment,t and technical personnel. The material is from TISCO, POSCO and BAO STEEL.

3. The better mechanical property.
Advanced welding machines and heat treatment equipment can ensure the mechanical properties of products.
              
4. The quality guarantee period- 24 months