Besides exhibiting high precision, these products tend to have a good surface quality and great straightness as well. There are several specifications that cover high precision tubes including – din 17175, EN 10305-1 and din 2391. Another fitting advantage of using the specification is that the inner diameter of various steel grade Precision Seamless Tubes could be constructed into a hexagon shaped one.
Furthermore, the performance of these steel High precision Tubes tends to be superior, with the metal becoming relatively dense. Compared with solid steel pipes, including a steel round furnished seamless steel pipe, the precision seamless steel tubes are light in weight, even if both the varieties of pipes have the same bending and torsional strength. Amongst numerous steel sections, they gravitate towards the economical side. Therefore, the din 2391 seamless precision steel tubes widely adopted in the assembling of anatomical parts as well as mechanical parts. In addition, the manufacturing of EN 10305-1 Precision cold drawn steel tube can enhance material utilization, conserve materials and processing man-hours & simplify manufacturing processes, as well. Generally, precision seamless pipes such as din 17175 Cold Rolled Steel Tube are accepted in industries with high precision requirements, as opposed to their regular seamless counterparts, which are mostly applied without precision specifications. However, the expense of a precision seamless pipe of an identical specification tends to be much more high-priced in comparison to that of regular seamless pipes.
KUAIMA steel company has more than ten years of experience in diversified operations and multi-product transactions, involving round bar, ship plate, seamless pipe, plate, coil, wire, bright bar, pipe fittings and a wide range of carbon steel, alloy steel And more product sizes of stainless steel materials, these products we produce meet national and international quality standards, such as ASTM, ASME, DIN, JIS, ISO, etc. The company has 25 production lines for various products, with an annual output of 500,000 tons, and is committed to Provide high-quality steel products and provide supporting services and solutions for global customers. Welcome to KUAIMA steel company.
Speci -cation | Grade | Chemical Composition [%] | ||||||||||||||
C | Mn | P | S | Si | Cr | Mo | Cu | Ni | V | |||||||
Min | Max. | Min | Max. | Max. | Max. | Min. | Max | Min. | Max | Min. | Max | Max | Max | Max | ||
DIN 2391 | St - 45 | - | 0.17 | 0.4 | - | 0.025 | 0.025 | - | 0.35 | - | - | - | - | - | - | - |
St - 45 | - | 0.21 | 0.4 | - | 0.025 | 0.025 | - | 0.35 | - | - | - | - | - | - | - | |
St - 52 | - | 0.22 | - | 1.6 | 0.025 | 0.025 | - | 0.55 | - | - | - | - | - | - | - |
Speci -cation | Grade | Mechanical Properties | |||||
Yield Strength | Tensile Strength | % Elongation (G.L. 50 mm WT 8 mm) e (min.) | |||||
Min. | Min. | ||||||
PSI | MPa | PSI | MPa | ||||
DIN 2391 | St - 45 | NBK : 215 / GBK : - | NBK : 340 / GBK : 315 | NBK : 470 | |||
St - 45 | NBK : 255 / GBK : - | NBK : 440 / GBK : 390 | NBK : 570 | ||||
St - 52 | NBK : 355 / GBK : - | NBK : 490 / GBK : 490 | NBK : 630 |
Product name | Seamless pipe; SMLS steel pipes |
Standards & Grades | GB/T8162 20#, 35#, 45# Q345, Q345B, Q345C, Q345D, Q345E, 20Mn2, 30Mn2, 40Mn2, 20CrMo, 30CrMo, 35CrMo, 42CrMo; GB/T8163 20#; GB/T3087 10#, 20#; GB/T5310 20G, 20MnG, 25MnG, 15CrMoG, 12Cr1MoVG; GB/T9948 20#, 16Mn,12CrMo, 15CrMo; GB6479 20#, 16Mn, 12CrMo, 15CrMo; ASME SA213 T5, T9; API 5L, A, B, X42, X46, X56, X60, X65; ASTM A106, ASTM A53 Gr B; SA210, SA178, SA192, SA335, T2/P2, T11/P11, T12/P12, T22/P22, T91/P91; DIN 17175 ST35.8, ST45.8, DIN1629; API 5L Gr.B, X42-X70; ISO 11960, GOST, API 5CT J55 K55 N80-1 N80-Q L80-1 L80-9Cr P110, etc. |
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 |
Outer Diameter
|
10~630mm |
Wall Thickness | 2.5~50mm |
Length | 5.8m, 6m, 11.8m, 12m, Random length, or as required |
Delivery conditions | N-(normalizing); A-(annealing); T-(tempering); Q-(quenching); N+T; Q+T.etc |
Processing | Galvanizing; cutting; making thread outside the pipe; Machining. |
Ends | Flat end or beveled end, threaded end. Protected by plastic caps or steel rings |
Packing | Black paint, Varnish painting, Tarpaulin packing |
Standard export packaging, suitable for various modes of transportation,Or provided on request. | |
Pricing Term | Ex-Work,FOB,CNF,CFR,CIF,FCA etc. |
Payment term | TT, L/C, Western Union, etc. |
MOQ | 1 Ton |
ASTM A53 Seamless Steel Pipe | EN 10216-1 Seamless Steel Pipe |
ASTM A106 Seamless Steel Pipe | EN 10216-2 Seamless Steel Pipe |
ASTM A333 Seamless Steel Pipe | DIN 2391 Seamless Steel Pipe |
ASTM A334 Seamless Steel Pipe | ASTM A-519 Seamless Steel Pipe |
EN 10305-1 Seamless Steel Pipe | ASTM A179 Seamless Steel Pipe |
EN 10305-4 Seamless Steel Pipe | ASTM A192 Seamless Steel Pipe |
Seamless steel pipes are mainly used in chemical, petrochemical, marine engineering, seawater pipelines, seawater desalination and other industries, nuclear engineering, paper and pulp industry
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