- Overview
- Product Description
- Product Parameters
- ASTM 4130 Property
- Detailed Photos
- Product Application
- Packaging & Shipping
- FAQ
Basic Info.
Product Description
| ASTM 4130 4140 ASME AISI 4340 4330 seamless pipe Alloy Steel Pipe |
Application
Oil exploration, automobiles, machinery, etc
Dimensions
Outer diameter: 83-254 mm, Wall thickness: 7 to 60 mm, length: not more than 12 meters.
Tolerance for OD and ID
Cold drawn: within ±0.2mm
Cold rolled: within ±0.1mm
Tolerance for Wall Thickness
Hot rolled: within +/-5%,
Cold drawn: within 0.6mm
Process
Hot Rolled, Cold Drawn, Precision Rolled
Delivery Condition
Hot rolled, Cold drawn, Annealed, Normalized, Quenched and tempered.
Surface Condition
Black surface, Rough turned, Peeled.
Standard:
ASTM A519
Grade | C | Mn | Pmax | Smax | Si | Cr | Mo | Ni |
4130 | 0.28-0.33 | 0.40-0.60 | 0.04 | 0.04 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | / |
4140 | 0.38-0.43 | 0.75-1.00 | 0.04 | 0.04 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | / |
4145 | 0.43-0.48 | 0.75-1.0 | 0.04 | 0.04 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | / |
| 4320 | 0.17-0.22 | 0.45-0.65 | 0.04 | 0.04 | 0.15-0.35 | 0.40-0.60 | 0.20-0.30 | 1.65-2.0 |
| 4340 | 0.38-0.43 | 0.60-0.80 | 0.04 | 0.04 | 0.15-0.35 | 0.70-0.69 | 0.40-0.60 | 1.6-2.0 |
Chemical composition:
C: 0.28-0.33
Si: 0.15-0.35
Mn: 0.40-0.60
S: allowed residue ≤0.040
P: allowed residue ≤0.035
Cr: 0.80-1.10
Ni: allowed residue ≤0.030
Cu: allowed residue ≤0.030
Mo: 0.15-0.25
Mechanical properties:
Tensile strength σb (MPa) : ≥930(95)
Yield strength σs (MPa) : ≥785(80)
Elongation δ5 (%) : ≥12
Area reduction ψ (%) : ≥50
1.Are You Manufacture or Trade Company
We are a company integrating industry and trade, with more than ten years of experience experience for supply Metal material and products in domestic.
2.Can you supply what is the service?
We can supply the kinds of metal materials and products,and we also can supply other process services.
3.Can you supply the free sample?
We can supply the free sample,but the sample express freight should be by you.
4.What about your the fast lead time if we place order?
It is normal 7-10 days after receive your deposit.
5.Which payment terms can you accept?
We can accept the TT, Western Union now or Negotiation.