ASTM A268 Seamless and Welded Ferritic and Martenstic Stainless Steel                                 Tubing for General Service

Brand : TORICH

Standard: ASTM A268

O.D: 12.7-203mm

Normal W.T : 5.1mm

Application : For boiler and heat-exchange

                                                            Tolerance of Size

   Group                           Size,O.D  in(mm)                             Permissible Variations in O.D in (mm) 

      1                           up to1/2(12.7) ,excl                                    +/- 0.005(0.13) 

                               1/2 to 1,1/2(12.7 to38.1),excl                         +/- 0.005(0.13)

      2                        1,1/2 to 3,1/2 (38.1 to 88.9) excl                   +/- 0.01  (0.25)

      3                        3,1/2 to 5,1/2(88.9 to 139.7) excl                  +/-0.015(0.38)

      4                        5,1/2 to 8 (139.7 to 203.2) incl                      +/-0.03(0.76)

Merchanical Testd Required

Tension Tests

Flaring Test ( for seamless tubes)

Flange Test (for welded tubes)

Hardness Test 

Reverse Flattening Test

Hydrostatic or Nondestructive Electric Test

SUPPLEMENTARY REQUIREMENTS

Air-Underwater Pressure Test

Additional Testing of Welded Tubing per ASME Request.

FAQ:

How to get the sample?

You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.

What is your Payment Term?

1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sight
3.Upon negotiation

Who are your customers?

Stockists, Distributors,Wholesalors,Agents, Traders, End Users, etc

How long will you react on our requirement?

Your requirement would be treated within 24 hours on weekdays. Quotations would be sent upon technical details confirmed by customer!

Any more questions about your doubts, please feel free to send us your emails or call!