Standard | ASTM A312, ASTM A554, A262, A370, A941, ANSI B1.20.1, SAE J1086 etc |
Matrial | TP304 TP304L TP316 TP316L TP347 TP347H TP321 TP321H TP310 TP310S |
Size | OD: 10x10-200x200mm WT: 0.30-4.50mm Length: According to Customer's Requirement |
Tolerance | According to the Standard, +/-10% Commonly |
Surface | Mill finish ; Grit 180# ; 240# ; 320# ; 400# ; 600# ; 800# |
Test | Flaring test, Flattening test, Bending Test, Hydraulic Test, Eddy Current test |
Application | Construction and decoration(fencing,railing,stair/staircase,doors/windows,gate fittings), Furniture, Sanitary wares, Kitchenwares, Machinery, Exhaust system and etc |
QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
TORICH ASTM A312 AISI 304 Square Calibrated Welded and Seamless Stainless Tube for Structure Purpose