A335 P12 Cold Drawn Alloy Steel Seamless Boiler Tubes
ASME SA-335/SA-335M Seamless Ferritic Alloy-Steel Tubes for High-Temperature boiler pipes
ASTM A335/A335M Seamless Cold Drawn Steel pipes/heat-exchanger pipes/Superheater pipes.
1.The Specification covers nominal wall and mininum wall seamless steel pipes for high temperature service and
the steel pipes suitable for bending tubes/U-tubes/U-bending tubing.
2.The reference Standards:
A999/A999m Specification for general requirements for alloy and stainless Steel Pipes.
E213 Practice for ultrasonic testing of metal pipe and round tubing
ASME B36.10 welded and seamless wrought steel pipes and steel tubes
3.The Steel pipes including cold drawn Seamless steel pipes,Hot rolled Seamless pipes
4.The Steel tubes should be done Tensile and hardness testing before shipment.
5.Pipes and Tubes should be done Hydrostatic Test for Alloy steel pipe grade P91,P12,P11,P122...
6.The Boiler steel tubes including different standard as we can produce:
ASTM A192/ASTM A210/ASTM A213/ASTM A333/ASTM A334/ASTM A335/DIN17175/EN10216-2/
JIS G3462/BS3059/Ty 14-3p-55/BS6323/GB/T5310 GB/T3087 etc.
7.A335 P12 Alloy Steel pipes Chemical composition:
| Steel Grade | UNS | C % | Si% | Mn % | P % max | S % Max | Cr % | Mo % |
| P11 | K11597 | 0.05-0.15 | 0.5-1.0 | 0.30-0.60 | 0.025 | 0.025 | 1.0-1.5 | 0.44-0.65 |
| P12 | K11562 | 0.05-0.15 | 0.50 | 0.30-0.61 | 0.025 | 0.025 | 0.80-1.25 | 0.44-0.65 |
8.P11/P12 Alloy Steel Tubes Mechanical properties:
| Steel Grade | Tensile Strength Min,Mpa | Yield Strength Min,Mpa | Elongation Min |
| P11 | 60ksi/415Mpa | 32ksi/220Mpa | 30%/22% |
| P12 | 60Ksi/415Mpa | 32ksi/220Mpa | 30%/22% |
9.High Temperature boiler Tubes Pictures:
Tags: ASTM A335 Boiler Steel Tubes; Alloy Steel Pipe;ASME SA-335 P11;A335 P12; Boiler Tubes;
P91 Pressure tubing;P91 steel tubes;
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.