Complaint
| Material | component | C | Si | Mn | P | S | Cr | Ni | Cu |
| ASTM 1320 GB 20Mn2 | minimum value | 0.17 | 0.17 | 1.4 | - | - | - | - | - |
| maximum value | 0.24 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
| ASTM 1330 GB 30Mn2 | minimum value | 0.27 | 0.17 | 1.4 | - | - | - | - | - |
| maximum value | 0.34 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
| ASTM 1335 GB 35Mn2 | minimum value | 0.32 | 0.17 | 1.4 | - | - | - | - | - |
| maximum value | 0.39 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
| ASTM 1340 GB 40Mn2 | minimum value | 0.37 | 0.17 | 1.4 | - | - | - | - | - |
| maximum value | 0.44 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
| ASTM 1345 GB 45Mn2 | minimum value | 0.42 | 0.17 | 1.4 | - | - | - | - | - |
| maximum value | 0.49 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
| GB 50Mn2 DIN 50Mn7 | minimum value | 0.47 | 0.17 | 1.4 | - | - | - | - | - |
| maximum value | 0.55 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 |
| Material | Diameter (thickness) d mm | tensile strength σ b Mpa | Yield point σ s Mpa | Elongation or elongation after fracture δ % | Hardness HBW | Impact absorbed energy KV2 J |
| ASTM 1320 GB 20Mn2 | d=15 | ≥785 | ≥590 | ≥10 | ≤187 | ≥47 |
| ASTM 1330 GB 30Mn2 | d=25 | ≥785 | ≥635 | ≥12 | ≤207 | ≥63 |
| ASTM 1335 GB 35Mn2 | d=25 | ≥835 | ≥685 | ≥12 | ≤207 | ≥55 |
| ASTM 1340 GB 40Mn2 | d=25 | ≥885 | ≥735 | ≥12 | ≤217 | ≥55 |
| ASTM 1345 GB 45Mn2 | d=25 | ≥885 | ≥735 | ≥10 | ≤217 | ≥47 |
| GB 50Mn2 DIN 50Mn2 | d=25 | ≥930 | ≥785 | ≥9 | ≤229 | ≥39 |
| INCH | OD | API 5L ASTM A53 A106 Strandard Wall Thickness | ||||||
| (MM) | SCH 10 | SCH 20 | SCH 40 | SCH 60 | SCH 80 | SCH 100 | SCH 160 | |
| (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | ||
| 1/4" | 13.7 | 2.24 | 3.02 | |||||
| 3/8" | 17.1 | 2.31 | 3.2 | |||||
| 1/2" | 21.3 | 2.11 | 2.77 | 3.73 | 4.78 | |||
| 3/4" | 26.7 | 2.11 | 2.87 | 3.91 | 5.56 | |||
| 1" | 33.4 | 2.77 | 3.38 | 4.55 | 6.35 | |||
| 1-1/4" | 42.2 | 2.77 | 3.56 | 4.85 | 6.35 | |||
| 1-1/2" | 48.3 | 2.77 | 3.68 | 5.08 | 7.14 | |||
| 2" | 60.3 | 2.77 | 3.91 | 5.54 | 8.74 | |||
| 2-1/2" | 73 | 3.05 | 5.16 | 7.01 | 9.53 | |||
| 3" | 88.9 | 3.05 | 5.49 | 7.62 | 11.13 | |||
| 3-1/2" | 101.6 | 3.05 | 5.74 | 8.08 | ||||
| 4" | 114.3 | 3.05 | 4.50 | 6.02 | 8.56 | 13.49 | ||
| 5" | 141.3 | 3.4 | 6.55 | 9.53 | 15.88 | |||
| 6" | 168.3 | 3.4 | 7.11 | 10.97 | 18.26 | |||
| 8" | 219.1 | 3.76 | 6.35 | 8.18 | 10.31 | 12.70 | 15.09 | 23.01 |
| 10" | 273 | 4.19 | 6.35 | 9.27 | 12.7 | 15.09 | 18.26 | 28.58 |
| 12" | 323.8 | 4.57 | 6.35 | 10.31 | 14.27 | 17.48 | 21.44 | 33.32 |
| 14" | 355 | 6.35 | 7.92 | 11.13 | 15.09 | 19.05 | 23.83 | 36.71 |
| 16" | 406 | 6.35 | 7.92 | 12.70 | 16.66 | 21.44 | 26.19 | 40.49 |
| 18" | 457 | 6.35 | 7.92 | 14.27 | 19.05 | 23.83 | 29.36 | 46.24 |
| 20" | 508 | 6.35 | 9.53 | 15.09 | 20.62 | 26.19 | 32.54 | 50.01 |
| 22" | 559 | 6.35 | 9.53 | 22.23 | 28.58 | 34.93 | 54.98 | |
| 24" | 610 | 6.35 | 9.53 | 17.48 | 24.61 | 30.96 | 38.89 | 59.54 |
| 26" | 660 | 7.92 | 12.7 | |||||
1. Bundle and pack.
2. Warning for inclined end or flat end or according to buyer's requirements.
3. Marking: According to customer requirements.
4. Apply varnish.
5. Plastic covers at both ends.
Q1:who are we?
A:We are based in Shandong, China, start from 2022,sell to North America(60.00%),Western Europe(14.00%),South America(6.00%).
There are total about 11-50 people in our office.
Q2. how can we guarantee quality?
A:Always a pre-production sample before mass production;
Always final Inspection before shipment;
Q3.what can you buy from us?Which ports are accepted for delivery?
A:Copper,Aluminum,Mould steel, Seamless carbon steel,Precision steel pipe,The steel plate,Alloy steel,Titanium,Custom machine parts.It can be delivered from Qingdao, Tianjin, Shanghai, Guangzhou and other ports.
Q4.why should you buy from us not from other suppliers?
A:Shandong Meide Import and Export Co., Ltd. has 25 years of production experience. With advanced precision production equipment
and modern large warehouses, has a stockpile of 200,000 tons of goods, has a number of long-term stable cooperative customers.
Q5.what services can we provide?
A:Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,PayPal;
Language Spoken:English,Chinese
Q6.Can we get the some samples?Any charges?
A:Yes,you can get available samples in our stock.Free for real samples,but customers need to pay the freight cost.
Q7.How can we get your price ?
A:We need below information to quote for you:
1). Product Name
2). Standard
3). Material Grade (Chemical Composition)
4). Dimension
5). Quantity
6). The Drawing for Special Parts
