PART I: PRODUCT INTRODUCTION
1. Description: Seamless alloy steel tubes are widely used in pipelines, structural use, fluid conveyance,pressure vessels, shipbuilding,hydraulic system,etc.
2. Commodity: seamless alloy steel tube
3. Standard specification&steel grade:
| ASTM/ASME: |
ASTM A213 T5,T9,T11,T12,T22,T23,T91
ASTM A335 P1,P5,P9,P11,P12,P22,P23,P91
ASTM A519 SAE4130,SAE4140,SAE4145,SAE4340,SAE8620 |
| DIN: |
DIN 17175 10CrMo910,13CrMo44,12CrMo195 |
| EN: |
EN 10216-2 13CrMo4-5.25CrMo4,11CrMo9-10
EN 10305-1 25CrMo4,42CrMo4 |
4. Size range: 12.7mm*1.2mm-356mm*25mm
5. Manufacture method: Cold rolled, hydraulic cold drawn, hot rolled
6. Delivery condition: Normalized for carbon steel grade, normalized+tempered for alloy steel grades.
7. End finish: plain ends or bevelled ends.
8. Marking: as per request
9. Packing: in bundles tied with steel strips. Int&ext oil coating or varnish as per request. External packing by PVC bags and knit bags.
SEAMLESS ALLOY STEEL TUBE AS PER ASTM A519 SAE4140 Q+T:
SEAMLESS ALLOY STEEL HOLLOW BARS,GRADE OF SAE4140-L80 AND SAE4145H:
SEAMLESS ALLOY STEEL TUBES FOR BOILER AS PER ASTM A213 T5:
PART II: FREQUENTLY ASKED QUESTIONS
1. MOQ: 3-5 tons/size for carbon steel grades, 10 tons/size for alloy steel grades.
2. Delivery Time: Generally, our delivery time is around 30-60 days dependig on steel grades.
3. Warranty&Guarantee: Warranty&guarantee period is 6 months since we deliver the tubes, and we are not responsible for quality problem caused by wrong unloading or storage after shipment. We welcome customer's inspection before shipment.
4. Payment Method: We accept payment method like T/T, L/C, or D/P, but it depends on our investigation about customers. We have a solution to evaluate the credit of customers from all over the world, and time and amount of D/P we can release is determined by the evaluation.
5. Quality Control: Our quality control system covers raw material purchase, in-production stages, and final inspection. We purchase raw material from stable suppliers who are leading steel mills, and we inspect the raw material as per the specifications. During our production procedure, there is inspection and quality control in every stage.
PART III: FACTORY APPEARANCE
Audited Supplier 
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