Home > Products > Low Temperature Carbon Steel Pipe > ASME SA334 Seamless Carbon Steel And Alloy Steel Tubes For Low Temperature Service
ASME SA334 Seamless Carbon Steel And Alloy Steel Tubes For Low Temperature Service
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- T/T L/C D/P D/A
- 7 days
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Product Details
Brand Name: | HENGLONG | Place of Origin: | China |
Product Description
Certification:ISO9001, ISO18001, ISO14001, PED97/23/EC
ASME SA334 Seamless carbon steel and alloy steel tubes for low temperature service
Standard: ASTM A334 / ASME SA334
Steel grade: carbon steel, alloy steel
A 370 Test Methods and Definitions for Mechanical Testing of Steel Products
A 1016/A 1016M specification for general requirements for ferritic alloy steel tubes
Grade 1 | Grade 3 | Grade 6 | |
Carbon, max, % | 0.30 | 0.19 | 0.30 |
Manganese, % | 0.40-1.06 | 0.31-0.64 | 0.29-1.06 |
Phosphorous, max. % | 0.025 | 0.025 | 0.025 |
Sulfur, max, % | 0.025 | 0.025 | 0.025 |
Silicon | - | 0.18-0.37 | 0.10 min |
Nickel | - | 3.18-3.82 | - |
Process: cold drawn seamless tube, welded tube (welding process with the addition of no filler metal in the welding operation)
The tubes cover minimum wall thickness.
Application: Tube for low temperature service
Dimensional range:
OD: 19.05-76.2mm
Any specific size is to be discussed before offer
The tube be 100% eddy current tested
Ultrasonic test is as option
Straightness ≤1mm/1000mm
Roughness: Ra ≤0.8
Mechanical properties
Grade 1 | Grade 3 | Grade 6 | |
Tensile strength, min, MPa | 380 | 450 | 415 |
Yield strength, min, MPa | 205 | 240 | 240 |
Transverse | Transverse | Transverse | |
Elongation in 2 in. or 50mm, (or 4D), min, %: Basic minimum elongation for walls 5⁄16 in. [8 mm] and over in thickness, strip tests, and for all small sizes tested in full section |
35 | 30 | 30 |
When standard round 2-in. or 50-mm gage length or proportionally smaller size test specimen with the gage length equal to 4D (4 times the diameter) is used | 28 | 22 | 22 |
Test
One tension test shall be made on a specimen for lots of not more than 50 tubes. Tension tests shall be made on specimens from two tubes for lots of more than 50 tubes. One flattening test shall be made on specimens from each end of one finished tube of each lot but not the one used for the flare or flange test. (Seamless tubes) One flare test shall be made on specimens from each end of one finished tube of each lot, but not the one used for the flattening test. (Welded tubes) One flange test shall be made on specimens from each end of one finished tube of each lot, but not the one used for the flattening test. For welded tubes, one reverse flattening test shall be made on a specimen from each 1500 ft [460 m] of finished tubing. Brinell or Rockwell hardness tests shall be made on specimens from two tubes from each lot. One notched-bar impact test, consisting of breaking three specimens, shall be made from each heat represented in a heat-treatment load on specimens taken from the finished tube. This test shall represent only tubes from the same heat, which have wall thicknesses not exceeding by more than 1 / 4 in. [6.3 mm] the wall thicknesses of the tube from which the test specimens are taken. If heat treatment is performed in continuous or batch-type furnaces controlled within a 50°F [30°C] range and equipped with recording pyrometers which yield complete heat-treatment records, then one test from each heat in a continuous run only shall be required instead of one test from each heat in each heat treatment load. (Welded tubes) On welded tube, additional impact tests of the same number as required in 12.7 shall be made to test the weld. Specimens showing defects while being machined or prior to testing may be discarded and replacements shall be considered as original specimens.Tubes shall be delivered with square cut ends. The ends are free of excessive burrs.
The tubes are bundled in the waterproof plastic sheet and packed in the wooden cases
The case is most suitable for hanging by forklift.
EN10204-3.1 MTC shall be issued
EN10204-3.2 MTC is as option
Contact Us
- Zhangjiagang Bonded Area Henglong Steel Tube Co., Ltd.
- Contact nameMr. John Chen
- Phone86-512-58328328
- AddressNo.5, Taiwan Road, Zhangjiagang Bonded Area Huzhou,Zhejiang
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