High Quality Seamless/Welded Square and Rectangular Steel Pipes and Tubes

• Customization: Available
• Type: Stainless Steel Channels
• Standard: ASTM, AISI, GB, JIS, DIN
• Model NO.: ASME B36.19
• Grade: 300 Series
• Certification: ISO, AISI, ASTM, GB, DIN, JIS
• Shape: Square
• Technique: Welded
• Surface Treatment: Polished
• Materials: 304L/316L
• Outer Diameter: 21.9-1220mm
• Length: 5.8m-12m or as Required
• Thickness: 5 - 14 mm
• Steel Grade: ASME Sb407
• Transport Package: in Bundles or Wooden Box
• Specification: 21.3-1219mm
• Trademark: JIADE
• Origin: China
• HS Code: 7202490000
• Production Capacity: 5000 Tons

Product Description

Product Parameters

 

Model Number	ASME SQ 778
Brand Name	JIADE
origin	China
Small Orders	Accepted

product name	High Quality Seamless/Welded Square and Rectangular Steel Pipes and Tubes
product type	Q235/Q235B/Q345/Q345B/SS400
Standard	ASTM DIN GB ISO JIS BA ANSI
Technics	Hot Rolled / Cold Rolled
MOQ	5 TONS
Thickness	5mm-14mm
Outer Diameter	219mm-1220mm
Surface	as required
Delivery time	within 15 days
Payment terms	TT oir L/C
Package	Standard package

Manufacturer & supplier of ASTM A778 TP316L Square Tube as per ASME B36.19 Standard

Standard Specification for Welded, Unannealed Austenitic Stainless Steel Tubular

Tube Sizes	3 In (75 mm) To 48 In (1200 Mm) Od - 0.062 In (1.5 Mm) To 0.5 In (12.5 Mm) Wall Thickness
Grades	ASTM A778 TP304L ASTM A778 TP316L ASTM A778 TP317L ASTM A778 TP321 ASTM A778 TP347
Length	10 Ft (3 M) Lengths Or Over.
Length Tolerances	No Tube Shall Be More Than 0.25 In (6 Mm) Over That Specified. No Tube Shall Be Shorter Than Specified.
Straightness	0.25 In (6 Mm) Max Deviation From 10 Ft (3 M) Straight Edge.

ASTM A312 Vs ASTM A778

• A778 is suitable for small bore thin walled piping applications and A312 is used for large bore and higher pressure
• ASTM A778 and A312 Pipes are available in schedule 5S, 10S, 40S, 80S, STD and XS in wall thickness (WT)
• A778 Fabrication is better compared to ASTM A312

Types of ASTM A778 Stainless Steel Pipe and Tube

Check the difference between ASTM A778 Pipe and A312 material, buy directly from ASTM A778 Stainless Steel Welded Tubes manufacturers for best price & quality.

 

ASTM A778 Stainless Steel Pipe

 

ASTM A778-304L

 

ASTM A778 TP316L

 

ASTM A778 316L

 

ASTM A778 TP304L

 

ASTM A778 Stainless Steel Welded Tubes

ASTM A778 Welded Tubing Tolerances

PED approved ASTM A778 Grade 304 Tubing supplier in Mumbai, check available sizes and stock list in India

NPS	OUTSIDE DIAMETER (OD)1	WALL THICKNESS(T)2	OVALITY3 T< 3%OD
UNDER	OVER	UNDER	OVER
	IN	MM	IN	MM	%	%	%
1/2to 11/2	0.031	0.8	0.015	0.4	12.5	12.5	1.5
>11/2 to 4	0.031	0.8	0.031	0.8	12.5	12.5	1.5
>4 to 8	0.031	0.8	0.062	1.6	12.5	12.5	1.5
>8 to 12	0.031	0.8	0.093	2.4	12.5	12.5	1.5
>12 to 18	0.031	0.8	0.093	2.4	12.5	12.5	1.5
>18 to 26	0.031	0.8	0.125	3.2	12.5	12.5	1.5
>26 to 34	0.031	0.8	0.156	4.0	12.5	12.5	1.5
>34 to 48	0.031	0.8	0.187	4.8	12.5	12.5	1.5

Schedule 5S ASTM A778 Welded Pipe

Nominal Pipe Size Inches	Diameter, Inches		Wall Thickness Inches	Weight Lbs./Ft.	Type 304L	Type 316L
	OD	ID
3	3.500	3.334	.083	3.029	X	X
4	4.500	4.334	.083	3.915	X	X
5	5.563	5.345	.109	6.349	X	X
6	6.625	6.407	.109	7.585	X	X
8	8.625	8.407	.109	9.914	X	X
10	10.750	10.482	.134	15.190	X	X
12	12.750	12.438	.156	21.070	X	X

ASTM A778 Welded Stainless Tubes Sizes, Dimensions and Weight Chart

OD Size Inches	BW Ga.	Wall Thickness Inches	ID Size Inches	Approx. Weight Lbs/Ft.	Type 304L	Type 316L
3	14	.078	2.844	2.434	X	X
	12	.109	2.782	3.365	X	X
	11	.125	2.750	3.838	X	X
4	14	.078	3.844	3.267	X	X
	12	.109	3.782	4.530	X	X
	11	.125	3.750	5.173	X	X
5	14	.078	4.844	4.100	X	X
	12	.109	4.782	5.694	X	X
	11	.125	4.750	6.508	X	X
6	14	.078	5.844	4.933	X	X
	12	.109	5.782	6.858	X	X
	11	.125	5.750	7.843	X	X
8	14	.078	7.844	6.599	X	X
	12	.109	7.782	9.186	X	X
	11	.125	7.750	10.513	X	X
10	14	.078	9.844	8.265	X	X
	12	.109	9.782	11.514	X	X
	11	.125	9.750	13.183	X	X
12	14	.078	11.844	9.932	X	X
	12	.109	11.782	13.842	X	X
	11	.125	11.750	15.853	X	X

Schedule 10S ASTM A778 Stainless Welded Pipe

Nominal Pipe Size Inches	Diameter, Inches		Wall Thickness Inches	Weight Lbs./Ft.	Type 304L	Type 316L
	OD	ID
3	3.500	3.260	.120	4.332	X	X
4	4.500	4.260	.120	5.613	X	X
5	5.563	5.295	.134	7.770	X	X
6	6.625	6.357	.134	9.289	X	X
8	8.625	8.329	.148	13.400	X	X
10	10.750	10.420	.165	18.700	X	X
12	12.750	12.390	.180	24.160	X	X

ASTM A778 Stainless Steel Welded Tubes Equivalent

WELDING UNANNEALED AUSTENITIC STAINLESS STEEL TUBULAR PRODUCTS GRADE	ASTM STANDARD	AREA
A778 S34700	ASTM A778	America
A778 S31703	ASTM A778	America
A778 Grade Type 321	ASTM A778	America
A778 S30403	ASTM A778	America
A778 S32100	ASTM A778	America
A778 Grade Type 347	ASTM A778	America
A778 S31603	ASTM A778	America
A778 Grade Type 304L	ASTM A778	America
A778 Grade Type 317L	ASTM A778	America
A778 Grade Type 316L	ASTM A778	America

A778 chemical composition

GRADE	UNS	CARBON MAX B	MANGANESE, MAX	PH, MAX	COMPOSITION, %	TI	COLUMBIUM PLUS TANTALUS	N MAX
SULFUR, MAX	SILICON, MAX	CHROMIUM	NICKEL
TP 304L	S30403	0.030	2.00	0.045	0.030	1.00	18.0-20.0	8.0-13.0	...	...	...	0.10
TP 316L	S31603	0.030	2.00	0.045	0.030	1.00	16.0-18.0	10.0-14.0	2.00 3.00	...	...	0.10
TP 317L	S31703	0.030	2.00	0.045	0.030	1.00	18.0-20.0	11.0-15.0	3.0 4.0	...	...	0.10
TP 321	S32100	0.08	2.00	0.045	0.030	1.00	17.0-19.0	9.0-12.0	...	C	...	...
TP 347	S34700	0.08	2.00	0.045	0.030	1.00	17.0-19.0	9.0-12.0	...	...	D	...

Requirement of ASTM A778 Pipe Mechanical Testing

Test	United	ASTM
Flare	Required	Not Required
Flatten	Required	Required
Reverse Bend	Required	Not Required
Eddy Current	Required	Not Required
Transverse
Tension	Required	Required

ASTM A778 Pipe Tensile Strength

GRADE	UNS	TENSILE STRENGTH MIN	YIELD STRENGTH MIN	ELONGATION IN 2 IN (50 MM) MIN
		KSI	MPA	KSI	MPA	%
TP304L	S30403	70	485	25	170	40
TP316L	S31603	70	485	25	170	40
TP317L	S31703	75	515	30	205	35
TP321	S32100	75	515	30	205	40
TP347	S34700	75	515	30	205	40

 

 

 

Detailed Photos

 

Company Profile

Lead time 10-15 days | 80% of output for export

A Trading Company Specializing in Steel Industry for Over 30 Years
Shaanxi Jiade Import & Export is one of the leading professional steel pipes and pipe fitting suppliers, established in 1991 and charge of the export business. We have more than 30 years' experience in manufacturing, distributing, processing, and exporting hot rolled and cold drawn seamless, ERW, EFW, HFW, LSAW, DSAW, and SSAW pipes boiler tubes, heat-exchanger tubes, condenser tubes, super-heater tubes, hydraulic honed tubes, mechanical tubes, structural tubes, line pipes, elbows, tees, reducers, and flanges. We mainly export products to Africa, Asia, Europe, Oceania, and North and South America.

Supported by Machines and Equipment
All our products are manufactured with the latest manufacturing techniques with machines and equipment, which are fitted with the highest technology, to provide products in full conformity with international standards.

Meeting Inspection and Approval Certificates
We have passed the Mill Test certificate, C/W certificate (Calibration works certificate) EN 10204 3.1, DIN 50049 3.1, ISO 10474 3.1, NACE MR-0103/NACE MR-0175/ISO 15156, PED-97/23/EC, AD-2000-WO, with 3.2 certificates duly certified and approved by LRS, GL, BV, DNV, ABS, SGS, TUV, RINA, IRS, NORSOK and more.

Customized Service
We provide product customization services such as shot blasting, precision pipe cutting, cut and roll grooving, custom pipe fabrication, pipe threading, pipe beveling, and coating. They are also approved by Third Party inspection agencies like DNV, BV, SGS, Moody, TuV, ABS, LR, GL, PED, RINA, KR, NKK, AIB-VINEOTTE, CEIL, VELOSI, CCSI, and more. We supply for PetroVietnam, WSF, YPFB, AWH, HMC, PTT, EP PetroEcuador, POD, KNPC, and more.

Establishing Friendly Partnership
Our mission is whether our clients are active in the oil and gas, water supply line, or construction, we endeavor to deliver the highest quality products and value-added services to support our clients' business. We pursue a win-win situation and long-term cooperative relationships with customers, providing specializing service for the old and new customers with better and more economical results.

Packaging & Shipping

Shipping Information

FOB Port	Tianjin
Weight per Unit	1500.0 Kilograms
HTS Code	7304.41.90 00
Export Carton Dimensions L/W/H	11.8 x 1.0 x 0.8 Meters

Lead Time	15-30 days
Dimensions per Unit	11.8 x 1.0 x 0.8 Meters
Units per Export Carton	25.0
Export Carton Weight	1500.0 Kilograms

Certifications

Main Export Markets

- Asia

- Australasia

- Central/South America

- Eastern Europe

- Mid East/Africa

- North America

- Western Europe

- <li>Southeast Asia