Production Description:
Standard：ASME/ASTM A53
Grade：Gr. A，Gr. B
Deliver Condition：Hot rolling
Size Range：OD 70MM-610MM , Thickness 6MM-35MM According to ASTM/ANSI B36.10M
Tolerance： AS ASME/ASTM A53
Length：As Request
MTC：EN 10204/3.1
| Grade | Chemical Composition% | ||||||||||
| Delivery | C | Si | Mn | P | S | Ni | Cr | Cu | Mo | V | |
| Max | max | Max | Max | Max | Max | Max | Max | Max | |||
| A | Hot rolled | 0.25 | － | 0.95 | 0.05 | 0.045 | 0.4 | 0.4 | 0.4 | 0.15 | 0.08 |
| B | Hot rolled | 0.3 | － | 1.2 | 0.05 | 0.045 | 0.4 | 0.4 | 0.4 | 0.15 | 0.08 |
| Grade | Delivery | Mechanical Properties | ||
| Yield Strength | Tensile Strength | elongation | ||
| Min Mpa | Min Mpa | min（%） | ||
| A | Hot rolled | 205 | 330 | ASTM A53 |
| B | Hot rolled | 240 | 415 | |
| Product name | Material | Standard | Size(mm) | Application |
| Low temperature tube | 16MnDG 10MnDG 09DG 09Mn2VDG 06Ni3MoDG ASTM A333 | GB/T18984-2003 ASTM A333 | OD:8-1240*WT:1-200 | Apply to - 45 ℃ ~ 195 ℃ low temperature pressure vessel and low temperature heat exchanger pipe |
| High-pressure boiler tube | 20G ASTMA106B ASTMA210A ST45.8-III | GB5310-1995 ASTM SA106 ASTM SA210 DIN17175-79 | OD:8-1240*WT:1-200 | Suitable for manufacturing high pressure boiler tube, header, steam pipe, etc |
| Petroleum cracking tube | 10 20 | GB9948-2006 | OD: 8-630*WT:1-60 | Used in oil refinery furnace tube, heat exchanger tube |
| Low medium pressure boiler tube | 10# 20# 16Mn,Q345 | GB3087-2008 | OD:8-1240*WT:1-200 | Suitable for manufacturing various structure of low and medium pressure boiler and locomotive boiler |
| General structure of the tube | 10#,20#,45#,27SiMn ASTM A53A,B 16Mn,Q345 | GB/T8162-2008 GB/T17396-1998 ASTM A53 | OD:8-1240*WT:1-200 | Apply to the general structure, engineering support, mechanical processing, etc |
| Oil casing | J55,K55,N80,L80 C90,C95,P110 | API SPEC 5CT ISO11960 | OD:60-508*WT:4.24-16.13 | Used for extraction of oil or gas in oil Wells casing, used in oil and gas well sidewall |
Quality Control: 
Our Service: 
RFQ: Q1: Are you manufacture or Trader A: We are both manufacture and trader Q2: Can you offer sample? A: Sample small one can be offered by free, but buyer should pay the express fee Q3: Can you offer processing service? A: We can offer cutting, drilling, painting, coat powder etc... Q4: What is your advantage on steel? A: We can customize steel structure accoridng to buy's drawings or request.