SAE4135/34CrMo4/SCM435/30CrMo/35CD4/35XM alloy steel tube for mechnical purpose, OD: 25-1100mm; WT: 2-180mm, Small MOQ available
Application
Alloy steel pipe applies to petroleum,chemical industry,electric power,boiler, high temperature resistant,low temperature resistant,corrosion resistant seamless steelpipe used.Alloy steel pipe
also can made according to the customer.
Common standard:
API, ASTM A519, EN 10297, JIS G3441, GB 8162
Chemical requirements
| Grade | C | Si | Mn | P | S | Cr | Mo | Cu |
| 4135 | 0.33-0.38 | 0.15-0.35 | 0.75-0.90 | ≤0.035 | ≤0.040 | 0.80-1.10 | 0.15-0.25 | ≤0.030 |
| SCM435 | 0.33-0.38 | 0.15-0.35 | 0.30-0.60 | ≤0.030 | ≤0.030 | 0.90-1.20 | 0.15-0.30 | ≤0.30 |
| 34CrMo4 | 0.30-0.37 | ≤0.40 | 0.60-0.90 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.20 | ≤0.030 |
| 30CrMo | 0.26-0.34 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.80-1.10 | 0.15-0.25 | ≤0.030 |
Mechanical Properties
| Steel grade |
Tensile strength (Mpa) |
Yield strength (Mpa) |
Elongation (%) |
| 4135 | ≥985 | ≥835 | ≥12 |
Outer Diameter: 25-1100 mm
Wall Thickness: 2-180 mm
Length Random Length, Fixed Length, etc.
Delivery Condition
Hot rolled, Annealed, Normalized, Quenched and tempered.
Package
In bundle or as your request.
Our Services
Third Party inspection acceptable. such as SGS, BV etc.