Carbon Steel Tube Seamless Steel Pipe
China Carbon Steel Tube Seamless Steel Pipe, Find details about China Seamless Steel Tube, Seamless Tube from Carbon Steel Tube Seamless Steel Pipe
Basic Info.
Model NO.
sae1020 1018
Steel Pipe Type
Thick Wall Steel Pipe
Stock Size
Od32mm- Od580mm
Stock Size MOQ
1 PC
Stock Size Delivery Time
1 Day
New Production Size MOQ
5 Tons
New Production Deliveyr Time
7 Days
Grades
St37. St52, SAE1020, SAE1518, Q345b, 45#
Packing
in Bundles with Tarpaulin Covering
Payment Terms
30% T/T in Advance, The Balance by Email Copy Bl
Trade Terms
EXW, Fob, CFR, CIF
Fabrication Type
Cutting
Fabrication Type 2
Bending
Fabrication Type 3
Welding
Fabrication Type 4
Machining
Loading Seaport
Tianjin Port, China
Trademark
TJEMERSON
Transport Package
in Bundles
Specification
OD63*ID35MM
Origin
Tianjin, China
HS Code
7304399000
Model NO.
sae1020 1018
Steel Pipe Type
Thick Wall Steel Pipe
Stock Size
Od32mm- Od580mm
Stock Size MOQ
1 PC
Stock Size Delivery Time
1 Day
New Production Size MOQ
5 Tons
New Production Deliveyr Time
7 Days
Grades
St37. St52, SAE1020, SAE1518, Q345b, 45#
Packing
in Bundles with Tarpaulin Covering
Payment Terms
30% T/T in Advance, The Balance by Email Copy Bl
Trade Terms
EXW, Fob, CFR, CIF
Fabrication Type
Cutting
Fabrication Type 2
Bending
Fabrication Type 3
Welding
Fabrication Type 4
Machining
Loading Seaport
Tianjin Port, China
Trademark
TJEMERSON
Transport Package
in Bundles
Specification
OD63*ID35MM
Origin
Tianjin, China
HS Code
7304399000
Product Desciption
seamless pipes grades and production methods
1. Round bar making Hollow Bar
according to customer's demanded material to produce the round bar, then making annealled heat treatment, then drill the hole as customer demanded inner diameter into the round bar, round bar piercing, making rough hole, then make precision processing to make outer diameter and inner diameter as requested. Any size hollow bar can be produced as demanded.
Tolerance for hollow round bar, forged round bar drilling hole hollow bar ASME SA530
| Type | Outer diameter(inner diameter) | Allowed tolerance | Wall thickness allowed tolerance |
Outer diameter | ≥219-457.2mm | -0.8 - +2.4mm | -0.8 - +4.0mm |
| >457.2-660.4mm | -0.8 - +3.2mm | ||
| >660.4-863.6mm | -0.8 - +4.0mm | ||
| >863.6mm | -0.8 - +4.8mm | ||
| Inner diameter | All size | -1.6- 0mm | 0 - +3.2mm |
length tolerance -0 - +50mm
Round bar making Hollow bar cost is high
2. Hot rolled Hollow Bar
using hot rolled steel pipe billet to make heating and piercing, elongating, sizing and stranghtening, cooling, finally hollow bars finished, this is the type most commonly used. Because it is hot rolled, so cost is lowest, but it is suit for large quantity, for small quantity, have to make cold drawn or round bar piercing. size: outer diameter 32mm- 499mm, wall thickness 4mm- 80mm
3. Cold drawn Hollow Bar
for outer diameter not over than 63.5mm, small size hollow bar, when demanded quantity is under 5 tons, usually make cold drawn hollow bar, using larger size hot rolled hollow bar to draw to the size demanded.
some size can be finished only by one time drawing, but some other sizes might need twice or three times to finish drawing, it takes time, so the cost is higher.
cold drawn size outer diameter 32mm- 63.5mm
4. Hot- expanding Hollow Bar
For hollow bar sizes are special, not common sizes, have to use smaller thick wall hollow bar to hot expand to be larger size hollow bar, but the technical property for hot-expanded hollow bar will be lower than the original hollow bar. Size: outer diameter over 356mm.
the seamless pipe grades can be supplied
Seamless Steel pipe grades
| Descriptions | Grades |
| Structural pipe | 20# 35# 45# Q345B, 16Mn, Q345B-E, 20Mn2, 25Mn, 30Mn2, 40Mn2, 45Mn2 SAE1018, SAE1020, SAE1518, SAE1045. |
| Liquid pipe | 20# q295b-e, q345b-e |
| High pressure boiler tube | 20G 15MnG 20MnG 15CrMoG, 12Cr1MoVG St35.8, sa106b, sa106c, sa210a, sa210c, A333P2, A333P11, A33P12, A333P22, A33P36, A333P91, A333P92, A335T2, A335T11, A335T12, A335T22, A335T91, A335T23, A335T9 |
| Pipeline | API SPEC 5L, X42, X52, X60, X65,X70,X80 ASTMA53, ASTM A106, ASTM A333, BS301, BS3602, BS3603, BS3604, PSL1, PSL2, DNV-OS-F101, CSA-Z245 |
| Alloy pipe | 4140, 42CrMo, 32CrMo, 15CrMo, |
| Packing | Black paint, Varnish painting, Tarpaulin packing |
| End | Common round end, beveled. |
| Processing | Galvanizing; cutting; making thread outside the pipe; Machining. |
| outer diameter | 16mm- 800mm |
| wall thickness | 4mm- 80mm |
the seamless pipes stock detail
seamless steel pipes containers loading
steel pipes bulk vessel packing and loading
seamless pipes processing and fabrication
company introduction:
Tianjin Emerson Commercial and Trade co., Ltd located in Tianjin the largest seaport in north of China, has more than 10 years of experience in Iron and Steel materials, has large stock for steel raw materials. Tianjin Emerson products category: hot rolled steel plate and steel sheet, medium thick steel plate, stainless steel sheet and plate, galvanized steel sheet, and checkered steel sheet and plate; hot rolled steel coils, cold rolled steel coil, galvanized steel coil and stainless steel coils; seamless steel pipe, welded steel pipe, hollow bar, galvanized steel pipe, square pipe, rectangular steel pipe, and stainless steel pipes; steel bar, hot rolled steel bar, forged bar, rebar, deformed bar and other steel profiles. Except the steel raw materials, Tianjin Emerson can make steel fabrication and processing on steel raw materials: sheet metal fabrication, steel sheet laser cutting, steel sheet CNC flame cutting, steel sheet waterjet cutting, steel products welding and machining; make steel structure, and can make all types of steel parts or equipment by drawings. Emerson supplies good service for customer, good quality products, fast delivery, and good after-sale service, Tianjin Emerson hopes to build good cooperation with everyone interested.
We are a dynamic and dependable company. You can count on us to supply the right grade and the right size at the right price - delivered right on time, every time. Our innovative approach means you get the benefit of state-of-the-art technology coupled with personal professional service. The result is a business partner striving to meet your needs to help your business grow.
WHY CHOOSE US:
good quality! fast delivery time! good after-sale service
looking forward to your kind contact
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