Complaint
Material | C | Si | Mn | P | S | Cr | Ni | Cu | Mo |
ASTM 5115/GB 15Cr | 0.18 | 0.37 | 0.7 | 0.035 | 0.035 | 1 | 0.3 | 0.3 | 0.15 |
ASTM 5120/ GB 20Cr | 0.24 | 0.37 | 0.8 | 0.035 | 0.035 | 1 | 0.3 | 0.3 | 0.15 |
ASTM 5130/ GB 30Cr | 0.34 | 0.37 | 0.8 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.15 |
ASTM 5140/ GB 40Cr | 0.44 | 0.37 | 0.8 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.15 |
ASTM 5145/ GB 45Cr | 0.49 | 0.37 | 0.8 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.15 |
ASTM 4130/ GB 30CrMo | 0.34 | 0.37 | 0.7 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.25 |
ASTM 4317/ GB 35CrMo | 0.4 | 0.37 | 0.7 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.25 |
ASTM 4140/ GB 42CrMo | 0.45 | 0.37 | 0.8 | 0.035 | 0.035 | 1.2 | 0.3 | 0.3 | 0.25 |
GB38CrMoAI/JIS SCM645 | 0.42 | 0.45 | 0.6 | 0.035 | 0.035 | 1.65 | 0.3 | 0.3 | 0.25 |
ASTM 6150/ GB 50CrVA | 0.54 | 0.37 | 0.8 | 0.025 | 0.025 | 1.1 | 0.3 | 0.25 | 0.1 |
ASTM 4142/ GB 40CrMnMo | 0.45 | 0.37 | 1.2 | 0.035 | 0.035 | 1.2 | 0.3 | 0.3 | 0.3 |
Material | Diameter of sample d mm | Heat treatment or condition. | Tensile strength σb Mpa | Point of yield σs Mpa | Ratio of elongation δ % | Reduction of section ψ % | hardness HBW | Shock absorption energy KV2 J |
ASTM 5115/ GB 15Cr | d=15 | Quenching + tempering | ≥735 | ≥490 | ≥11 | ≥45 | ≤179 | ≥55 |
ASTM 5120/ GB 20Cr | d=15 | Quenching + tempering | ≥835 | ≥540 | ≥10 | ≥40 | ≤179 | ≥47 |
ASTM 5130/ GB 30Cr | d=25 | Quenching + tempering | ≥885 | ≥685 | ≥11 | ≥45 | ≤187 | ≥47 |
ASTM 5140/ GB 40Cr | d=25 | Quenching + tempering | ≥980 | ≥785 | ≥9 | ≥45 | ≤207 | ≥47 |
ASTM 5145/ GB 45Cr | d=25 | Quenching + tempering | ≥1030 | ≥835 | ≥9 | ≥40 | ≤217 | ≥39 |
ASTM 4130/ GB 30CrMo | d=25 | Quenching + tempering | ≥930 | ≥785 | ≥12 | ≥50 | ≤229 | ≥63 |
ASTM 4317/ GB 35CrMo | d=25 | Quenching + tempering | ≥980 | ≥835 | ≥12 | ≥45 | ≤229 | ≥63 |
ASTM 4140/ GB 42CrMo | d=25 | Quenching + tempering | ≥1080 | ≥930 | ≥12 | ≥45 | ≤217 | ≥63 |
GB38CrMoAI/ JIS SCM645 | d=30 | Quenching + tempering | ≥980 | ≥835 | ≥14 | ≥50 | ≤229 | ≥50 |
ASTM 6150/ GB 50CrVA | d=25 | Quenching + tempering | ≥1280 | ≥1130 | ≥10 | ≥40 | ≤255 | d=25 |
ASTM 4142/ GB 40CrMnMo | d=25 | Quenching + tempering | ≥980 | ≥785 | ≥10 | ≥45 | ≤217 | ≥63 |
| REGULAR SIZE OF SEAMLESS STEEL PIPES | ||||
| SIZE (OUTER DIAMETER) | WALL THICKNESS | LENGTH | ||
| schedule 40 | schedule 80 | schedule 160 | ||
| 17.14MM (3/8") | 2.31 MM | 3.20 MM | ____ | 6M IN STOCK (OR CUSTOMIZED) |
| 21.34MM ( 1/2") | 2.77 MM | 3.73 MM | 4.78 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 26.67MM (3/4") | 2.87 MM | 3.91 MM | 5.56 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 33.4MM (1") | 3.38 MM | 4.55 MM | 6.35 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 42.16MM(1 1/4") | 3.56 MM | 4.85 MM | 6.35 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 48.26MM (1 1/2") | 3.68 MM | 5.08 MM | 7.14 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 60.32MM (2") | 3.91 MM | 5.54 MM | 8.74 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 73.02MM (2 1/2") | 5.16 MM | 7.01 MM | 9.52 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 88.9MM (3") | 5.49 MM | 7.62 MM | 11.12 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 114.3MM (4") | 6.02 MM | 8.56 MM | 13.49 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 141.3MM (5") | 6.55 MM | 9.53 MM | 15.88 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 168.28 MM (6") | 7.11 MM | 10.97 MM | 18.26 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 219.08MM (8") | 8.18 MM | 12.7 MM | 23.01 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 273.05MM (10") | 9.27 MM | 15.09 MM | 28.58 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 323.85MM (12") | 10.31 MM | 17.48 MM | 33.32 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 355.6MM (14") | 11.13 MM | 19.05 MM | 6M IN STOCK (OR CUSTOMIZED) | |
| 406.4MM (16") | 12.70 MM | 21.44 MM | 6M IN STOCK (OR CUSTOMIZED) | |
| 457.2MM (18") | 14.27 MM | 23.82 MM | 6M IN STOCK (OR CUSTOMIZED) | |
| 508 MM (20") | 15.09 MM | 26.19 MM | 6M IN STOCK (OR CUSTOMIZED) | |
| 609.6MM (24") | 17.48 MM | 30.96 MM | 6M IN STOCK (OR CUSTOMIZED) | |
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
