Product Name Welded round steel pipe (ERW) Wall Thickness 0.6mm-12mm Length 5.5m-12m Outer diameter 0.3mm-300mm Tolerance WallThickness:±0.05MM  Length:±6mm Outer Diameter:±0.3MM Material Q195-Q345, 10#-45#,195-Q345, Gr.B-Gr.50, DIN-S235JR, JIS-SS400, JIS-SPHC, BS-040A10 Technique Cold Rolled, Hot Rolled, ERW Surface treatment Black annealing,  bright annealing, None annealing Standard ASTM, DIN, JIS, BS Certificate ISO, CE Application Widely used in furniture,interior decoration, fluid pipeline, petroleum and natural gas industry, drilling, pipeline, structure Advantages 1. Reasonable price with excellent quality 2. Abundant stock and prompt delivery 3. Rich supply and export experience, sincere service      Packaging & Shipping  Transportation and Delivery We have professional shipping agent for all the transportation of our products. Products will be packed in bags,box,or in other way as discussed, then in container. Products will be transported from factory to shipping port by truck. Finally it will be loaded on ship to destination. You will be able to track the shipment in any time. package: 1. by bundles, each bundle weight under 3 tons, for small outer diameter seamless steel pipe, each bundle with 4 - 8 steel strips.  payment terms: 30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A.  Delivery times:Delivered within 30 days after receipt of deposit  loading port:Tianjin China Our Service 1.Special design avaliable according to requirements. We can offer one free sample length 20 cm with freight collected, if you want to buy our products and take our price.       After-sale service: Quality/Quantity Claims: The Buyer is entitled to make both quality and quantity claim in writing against the Seller within 90 days after arrival at the port of destination. All claims must be supported by survey reports of recognized first class surveyors within the above mentioned stipulated time frame.  Company Information May our distinguished customers hand in hand, and common development. Quality control: In order to provide high quality products to our customers , Our company have all kinds of professional quality in product test technology .  All items of our products and related tests as follow : 1.ERW black round pipe (ASTM A53,GB..)   FAQ Q1:What about the quality?  Product Name Welded round steel pipe (ERW) Wall Thickness 0.6mm-12mm Length 5.5m-12m Outer diameter 0.3mm-300mm Tolerance WallThickness:±0.05MM  Length:±6mm Outer Diameter:±0.3MM Material Q195-Q345, 10#-45#,195-Q345, Gr.B-Gr.50, DIN-S235JR, JIS-SS400, JIS-SPHC, BS-040A10 Technique Cold Rolled, Hot Rolled, ERW Surface treatment Black annealing,  bright annealing, None annealing Standard ASTM, DIN, JIS, BS Certificate ISO, CE Application Widely used in furniture,interior decoration, fluid pipeline, petroleum and natural gas industry, drilling, pipeline, structure Advantages 1. Reasonable price with excellent quality 2. Abundant stock and prompt delivery 3. Rich supply and export experience, sincere service      Packaging & Shipping  Transportation and Delivery We have professional shipping agent for all the transportation of our products. Products will be packed in bags,box,or in other way as discussed, then in container. Products will be transported from factory to shipping port by truck. Finally it will be loaded on ship to destination. You will be able to track the shipment in any time. package: 1. by bundles, each bundle weight under 3 tons, for small outer diameter seamless steel pipe, each bundle with 4 - 8 steel strips.  payment terms: 30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A.  Delivery times:Delivered within 30 days after receipt of deposit  loading port:Tianjin China Our Service 1.Special design avaliable according to requirements. We can offer one free sample length 20 cm with freight collected, if you want to buy our products and take our price.       After-sale service: Quality/Quantity Claims: The Buyer is entitled to make both quality and quantity claim in writing against the Seller within 90 days after arrival at the port of destination. All claims must be supported by survey reports of recognized first class surveyors within the above mentioned stipulated time frame.  Company Information May our distinguished customers hand in hand, and common development. Quality control: In order to provide high quality products to our customers , Our company have all kinds of professional quality in product test technology .  All items of our products and related tests as follow : 1.ERW black round pipe (ASTM A53,GB..)   FAQ Q1:What about the quality?  Stainless Steel Glass Clamp,Stainless Steel Balustrade ,Glass Brackets ,Glass Brackets Clamps Door & Window Slide Co., Ltd. , http://www.nbdoorhardwares.com
2. after making by bundle, covered with Polyethylene waterproof cloth.
3. make black paints painting or as discussed on each pipe, then make bundles
2.All production processes are under ISO 9001-2008 strictly
3.Free sampleÂ
4.Acceptable for any third party inspection(SGS,BV...)
5.OEM is ok.
6.Visit factory any time.       Before-sale service:
Tianyingtai steel company main products: galvanized strip steel pipe, welded pipe, galvanized pipe, spiral pipe, rectangular pipe and etc.. The company always adhere to the quality first, customer first service. Companies in strict accordance with the ISO9001-2008 standard established a quality management system, from research and development, raw material procurement, manufacturing, testing control, transport to the after sale services to establish a set of perfect management system. In an effort to improve the level of management and more focus on customer satisfaction, we provide qualified and satisfactory products to customers, continue to meet customer demand.
2.Weld black square/rectangular pipe(ASTM A500,GB,...)
3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)
4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)
5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.
6.Spiral steel pipe
7.Seamless pipe (ASTM A53,A106B,)
8.Oval pipe in galvanized and black surface
9.LTZ... special sizes pipe
10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material
11.Steel angle, Flat bar,round bar,sqaure bar,Â
12.H,I,U,C,T,Y,W...steel beam/channel
13.Deformed steel bar
14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated s
        Chemical Element Composition (%)
GB
ASTM
BS
C
Mn
Si
S
P
Q195
-
A285M Gr.B
S185
0.06~0.12
0.25~0.5
≤0.30
≤0.040
≤0.035
Q215
A
A285M Gr.C
040A12
0.09~0.15
0.25~0.55
≤0.35
≤0.050
≤0.045
B
A573M Gr.58
-
≤0.045
Q235
A
A570 Gr. A
S235JR
0.14~0.22
0.30~0.65
≤0.36
≤0.050
≤0.045
B
A571 Gr. D
S235JRG1
0.12~0.2
0.30~0.70
≤0.045
Â
C
A283M Gr.D
S235JRG2
≤0.18
0.35~0.80
≤0.040
≤0.040
D
-
-
≤0.17
≤0.035
≤0.035
Q345
A
A572 Gr.50
-
≤0.20
1.00~1.60
≤0.55
≤0.045
≤0.045
B
50B
≤0.040
≤0.040
C
50C
≤0.035
≤0.035
D
50D
≤0.18
≤0.030
≤0.030
A:Third party inspections are always welcomed.as part of our dedication to the industry, we do
make arrangements for such inspections-ABS,DNV,BV,ect.
Q2:Â How long is your delivery time?
A:Â Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,
it is according to quantity.
Q3:Do you provide samples ? is it free or extra ?
A:Â Yes, we could offer the sample for free charge but do not pay the cost of freight.Â
Q4:May IÂ customize the steel pipe?
A:Yes, you can, we can manufacture according to your requirement, you can send the CAD or
design drawing to us.
Q5:Any Value-added Services?
A:Fottunately for you,we are very experience in this industry.we have equipped our warehouse
with the necessities to perform in-house painting,coating,and pipe cutting.
Q6:Â How about the trade terms?
A:Â EXW, FOB, CFR, CIF will be accepted.Â
2. after making by bundle, covered with Polyethylene waterproof cloth.
3. make black paints painting or as discussed on each pipe, then make bundles
2.All production processes are under ISO 9001-2008 strictly
3.Free sampleÂ
4.Acceptable for any third party inspection(SGS,BV...)
5.OEM is ok.
6.Visit factory any time.       Before-sale service:
Tianyingtai steel company main products: galvanized strip steel pipe, welded pipe, galvanized pipe, spiral pipe, rectangular pipe and etc.. The company always adhere to the quality first, customer first service. Companies in strict accordance with the ISO9001-2008 standard established a quality management system, from research and development, raw material procurement, manufacturing, testing control, transport to the after sale services to establish a set of perfect management system. In an effort to improve the level of management and more focus on customer satisfaction, we provide qualified and satisfactory products to customers, continue to meet customer demand.
2.Weld black square/rectangular pipe(ASTM A500,GB,...)
3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)
4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)
5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.
6.Spiral steel pipe
7.Seamless pipe (ASTM A53,A106B,)
8.Oval pipe in galvanized and black surface
9.LTZ... special sizes pipe
10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material
11.Steel angle, Flat bar,round bar,sqaure bar,Â
12.H,I,U,C,T,Y,W...steel beam/channel
13.Deformed steel bar
14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated s
        Chemical Element Composition (%)
GB
ASTM
BS
C
Mn
Si
S
P
Q195
-
A285M Gr.B
S185
0.06~0.12
0.25~0.5
≤0.30
≤0.040
≤0.035
Q215
A
A285M Gr.C
040A12
0.09~0.15
0.25~0.55
≤0.35
≤0.050
≤0.045
B
A573M Gr.58
-
≤0.045
Q235
A
A570 Gr. A
S235JR
0.14~0.22
0.30~0.65
≤0.36
≤0.050
≤0.045
B
A571 Gr. D
S235JRG1
0.12~0.2
0.30~0.70
≤0.045
Â
C
A283M Gr.D
S235JRG2
≤0.18
0.35~0.80
≤0.040
≤0.040
D
-
-
≤0.17
≤0.035
≤0.035
Q345
A
A572 Gr.50
-
≤0.20
1.00~1.60
≤0.55
≤0.045
≤0.045
B
50B
≤0.040
≤0.040
C
50C
≤0.035
≤0.035
D
50D
≤0.18
≤0.030
≤0.030
A:Third party inspections are always welcomed.as part of our dedication to the industry, we do
make arrangements for such inspections-ABS,DNV,BV,ect.
Q2:Â How long is your delivery time?
A:Â Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,
it is according to quantity.
Q3:Do you provide samples ? is it free or extra ?
A:Â Yes, we could offer the sample for free charge but do not pay the cost of freight.Â
Q4:May IÂ customize the steel pipe?
A:Yes, you can, we can manufacture according to your requirement, you can send the CAD or
design drawing to us.
Q5:Any Value-added Services?
A:Fottunately for you,we are very experience in this industry.we have equipped our warehouse
with the necessities to perform in-house painting,coating,and pipe cutting.
Q6:Â How about the trade terms?
A:Â EXW, FOB, CFR, CIF will be accepted.Â
Welded Round Steel Pipe (ERW)
Model NO.: A009
Thickness: 0.6mm-12mm
Length: 5.5m-12m
Standard: ASTM, DIN, JIS, BS
OEM, ODM: Accepted
Factory: Yes
Certificate: ISO, Ce
Sample: Free of Charge
Delivery Time: Usually 15-20 Days After Getting Deposit
Trademark: TYT
Transport Package: in Bundles
Specification: 30mm-300mm
Origin: Tianjin China
HS Code: 7304229000
Model NO.: A009
Thickness: 0.6mm-12mm
Length: 5.5m-12m
Standard: ASTM, DIN, JIS, BS
OEM, ODM: Accepted
Factory: Yes
Certificate: ISO, Ce
Sample: Free of Charge
Delivery Time: Usually 15-20 Days After Getting Deposit
Trademark: TYT
Transport Package: in Bundles
Specification: 30mm-300mm
Origin: Tianjin China
HS Code: 7304229000